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How To Run a Stacks Testnet Node 如何运行一个stacks 测试网络节点

NaMillion posted the article • 0 comments • 437 views • 2020-06-03 15:55 • data from similar tags

Run a Stacks Testnet Node
运行一个stacks 测试网络节点

“Neon” is phase 1 of the Stacks 2.0 testnet. In Neon, you can run a node and connect it to a public network. This guide will walk you through downloading and running your own node in the Neon network.
“Neon” 是Stacks 2.0测试网络的第一个版本,通过“Neon”, 您可以通过运行一个服务器节点并把它连接到一个公共网络。这篇教程将会指导您在“Neon”网络中,如何下载并运行您自己的服务器节点。

* Prerequisites  前期准备
* Download and install the stacks-blockchain repository 下载并安装stacks区块链库
* Run your node  运行节点
* Running a miner  运行挖矿程序
* Creating an optimized binary   生成一个优化过的二进制
* Enable debug logging  打开调试日志

Prerequisites 前期准备
Note: If you use Linux, you may need to manually install libssl-dev and other packages. In your command line, run the following to get all packages:
请注意:如果您使用linux,您也许需要人工安装 libssl-dev 和其他的程序安装包。在您的命令行终端中运行下面的命令,获得所有的安装包。sudo apt-get install build-essential cmake libssl-dev pkg-config

Download and install the stacks-blockchain repository
下载并安装 stacks区块链库

The first step is to ensure that you have Rust installed. If you are using macOS, Linux, or another Unix-like OS, run the following. If you are on a different OS, follow the official Rust installation guide.
第一步是为了确保您已经安装了Rust,如果您现在正在使用macos,linux,或者其他的Unix系统。您可以运行下面的命令,如果您使用其他的操作系统,请参考这篇 官方Rust安装指南.curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh

If Rust is already installed, you might see this prompt. Select ‘Proceed with Installation’ to make sure you have the latest version installed.
如果Rust已经安装,您应该会看到下面的提示,选择‘Proceed with Installation’ 来确保您已经安装了最新的版本。

In case you just installed Rust, you will be prompted to run the following command to make the cargo command available:
为了确保您已经安装了Rust, 您会收到一个提示让您运行下面的命令,从而使cargo 命令有效。source $HOME/.cargo/env

Next, clone this repository:
下一步,克隆这个库:git clone https://github.com/blockstack/ ... n.git
cd stacks-blockchain

Install the Stacks node by running:
执行下面的命令,来安装Stacks 节点:cargo install --path ./testnet/stacks-node

Run your node
运行您的服务器节点

You’re all set to run a node that connects to the Neon network.
Back in the command line, run:
您已经准备好了运行一个节点来连接到Neon 网络,返回到命令行,运行下面的命令:stacks-node neon
The first time you run this, you’ll see some logs indicating that the Rust code is being compiled. Once that’s done, you should see some logs that look something like the this:
当你第一次运行这个命令,您将会看到一些日志表明这个Rust节点正在被编译。一旦编译完成,您会看到类似下面的一些日志:

INFO [1588108047.585] [src/chainstate/stacks/index/marf.rs:732] First-ever block 0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206

Awesome! Your node is now connected to the Neon network. Your node will receive new blocks when they are produced, and you can use your node’s RPC API to send transactions, fetch information for contracts and accounts, and more.
很好!您的节点已经链接到这个Neon网络了,当出块时,您的电脑会接收到新的区块,并且您可以使用node’s RPC API 来发送交易, 为智能合同程序和账户取回信息,等等。

Running a miner
运行一个挖矿程序

Once you’ve followed the above steps to run a node, it’s only a few more steps to run a Proof-of-burn miner on the Neon testnet.
如果您已经完成了上面所有的步骤,您可以通过下面的方法来运行一个Proof-of-burn的挖矿程序,部署在Neon测试网络上。

First, we need to generate a keychain. With this keychain, we’ll get some testnet BTC from a faucet, and then use that BTC to start mining.
首先,我们需要生存一个keychain,通过keychain,我们可以从一个“水龙头”得到一些测试网络的比特币,并用这些比特币来开始挖矿。

To get a keychain, the simplest way is to use the blockstack-cli. We’ll use the make_keychain command, and pass -t to indicate that we want a testnet keychain.
为了得到一个keychain,最简单的方法就是使用blockstack-cli,我们要用到make_keychain命令 和 pass -t 来表明我们希望得到一个测试网络的keychain。

npx [email protected] make_keychain -t
After this runs, you’ll probably see some installation logs, and at the end you should see some JSON that looks like this:
执行这个命令后,您会看到一些安装日志,最后您会看到一些json代码,显示如下:
 {
"mnemonic": "exhaust spin topic distance hole december impulse gate century absent breeze ostrich armed clerk oak peace want scrap auction sniff cradle siren blur blur",
"keyInfo": {
"privateKey": "2033269b55026ff2eddaf06d2e56938f7fd8e9d697af8fe0f857bb5962894d5801",
"address": "STTX57EGWW058FZ6WG3WS2YRBQ8HDFGBKEFBNXTF",
"btcAddress": "mkRYR7KkPB1wjxNjVz3HByqAvVz8c4B6ND",
"index": 0
}
}
We need to get some testnet BTC to that address. Grab the btcAddress field, and head over to the Stacks testnet website. In the BTC faucet section, past in your btcAddress, and submit. You’ll be sent 0.5 testnet BTC to that address. Don’t lose this information - we’ll need to use the privateKey field later on.
我们需要一些测试网络的比特币转移到那个地址,请备份好btcAddress 字段,然后跳转到 stacks测试网络官网.  在比特币“水龙头”部分 , 粘贴您的btcAddress 然后提交。您需要发送0.5测试网络的比特币到这个地址。不要弄丢这些信息-因为我们还要继续使用这个私钥字段。

Now, we need to configure out node to use this Bitcoin keychain. In the stacks-blockchain folder, create a new file called testnet/stacks-node/conf/neon-miner-conf.toml.
Paste in the following configuration:
现在, 我们需要配置节点来使用比特币 keychain, 在stacks-blockchain文件夹里面,新建一个文件并命名为testnet/stacks-node/conf/neon-miner-conf.toml. 把下面的命令粘贴进去。
 [node]
rpc_bind = "0.0.0.0:20443"
p2p_bind = "0.0.0.0:20444"
bootstrap_node = "048dd4f26101715853533dee005f0915375854fd5be73405f679c1917a5d4d16aaa[email protected]neon.blockstack.org:20444"
# Enter your private key here!
# 在这里输入您的私钥!
seed = "replace-with-your-private-key"
miner = true
[burnchain]
chain = "bitcoin"
mode = "neon"
peer_host = "neon.blockstack.org"
rpc_port = 18443
peer_port = 18444
[[mstx_balance]]
address = "STB44HYPYAT2BB2QE513NSP81HTMYWBJP02HPGK6"
amount = 10000000000000000
[[mstx_balance]]
address = "ST11NJTTKGVT6D1HY4NJRVQWMQM7TVAR091EJ8P2Y"
amount = 10000000000000000
[[mstx_balance]]
address = "ST1HB1T8WRNBYB0Y3T7WXZS38NKKPTBR3EG9EPJKR"
amount = 10000000000000000
[[mstx_balance]]
address = "STRYYQQ9M8KAF4NS7WNZQYY59X93XEKR31JP64CP"
amount = 10000000000000000


Now, grab your privateKey from earlier, when you ran the make_keychain command. Replace the seed field with your private key. Save and close this configuration file.
现在,拿好您之前得到的私钥,当你运行make_keychain 命令时, 用您的私钥来填写seed字段, 并保存并关闭这个配置文件。

To run your miner, run this in the command line:
为了运行您的挖矿程序,请运行下面的命令:
 stacks-node start --config=./testnet/stacks-node/conf/neon-miner-conf.toml
Your node should start. It will take some time to sync, and then your miner will be running!
您的节点现在可以开始工作了,它需要花费一些时间来同步,然后您的挖矿程序就可以工作了!

Creating an optimized binary 
生成一个优化过的二进制

The steps above are great for trying to run a node temporarily. If you want to host a node on a server somewhere, you might want to generate an optimized binary. To do so, use the same configuration as above, but run:
以上的步骤是用来运行一个临时的节点,如果您希望配置一个节点在一台服务器上,您可能希望生成一个优化过的二进制。为了实现这一点,请同样执行上面的步骤,然后运行:cd testnet/stacks-node
cargo build --release --bin stacks-node

The above code will compile an optimized binary. To use it, run:
上面的代码将会编译一个优化过的二进制,为了用它,请运行下面的命令:
 cd ../..
./target/release/stacks-node start --config=./testnet/conf/neon-follower-conf.toml

Enable debug logging  启用调试日志功能
In case you are running into issues or would like to see verbose logging, you can run your node with debug logging enabled. In the command line, run:
运行过程中, 为了防止您碰到问题或者看到冗长的日志,您可以在您的节点上开启调试日志功能,请直接运行下面的命令:BLOCKSTACK_DEBUG=1 stacks-node neon view all
Run a Stacks Testnet Node
运行一个stacks 测试网络节点


“Neon” is phase 1 of the Stacks 2.0 testnet. In Neon, you can run a node and connect it to a public network. This guide will walk you through downloading and running your own node in the Neon network.
“Neon” 是Stacks 2.0测试网络的第一个版本,通过“Neon”, 您可以通过运行一个服务器节点并把它连接到一个公共网络。这篇教程将会指导您在“Neon”网络中,如何下载并运行您自己的服务器节点。

* Prerequisites  前期准备
* Download and install the stacks-blockchain repository 下载并安装stacks区块链库
* Run your node  运行节点
* Running a miner  运行挖矿程序
* Creating an optimized binary   生成一个优化过的二进制
* Enable debug logging  打开调试日志

Prerequisites 前期准备
Note: If you use Linux, you may need to manually install libssl-dev and other packages. In your command line, run the following to get all packages:
请注意:如果您使用linux,您也许需要人工安装 libssl-dev 和其他的程序安装包。在您的命令行终端中运行下面的命令,获得所有的安装包。
sudo apt-get install build-essential cmake libssl-dev pkg-config


Download and install the stacks-blockchain repository
下载并安装 stacks区块链库


The first step is to ensure that you have Rust installed. If you are using macOS, Linux, or another Unix-like OS, run the following. If you are on a different OS, follow the official Rust installation guide.
第一步是为了确保您已经安装了Rust,如果您现在正在使用macos,linux,或者其他的Unix系统。您可以运行下面的命令,如果您使用其他的操作系统,请参考这篇 官方Rust安装指南.
curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh


If Rust is already installed, you might see this prompt. Select ‘Proceed with Installation’ to make sure you have the latest version installed.
如果Rust已经安装,您应该会看到下面的提示,选择‘Proceed with Installation’ 来确保您已经安装了最新的版本。

In case you just installed Rust, you will be prompted to run the following command to make the cargo command available:
为了确保您已经安装了Rust, 您会收到一个提示让您运行下面的命令,从而使cargo 命令有效。
source $HOME/.cargo/env


Next, clone this repository:
下一步,克隆这个库:
git clone https://github.com/blockstack/ ... n.git
cd stacks-blockchain


Install the Stacks node by running:
执行下面的命令,来安装Stacks 节点:
cargo install --path ./testnet/stacks-node


Run your node
运行您的服务器节点


You’re all set to run a node that connects to the Neon network.
Back in the command line, run:
您已经准备好了运行一个节点来连接到Neon 网络,返回到命令行,运行下面的命令:
stacks-node neon

The first time you run this, you’ll see some logs indicating that the Rust code is being compiled. Once that’s done, you should see some logs that look something like the this:
当你第一次运行这个命令,您将会看到一些日志表明这个Rust节点正在被编译。一旦编译完成,您会看到类似下面的一些日志:

INFO [1588108047.585] [src/chainstate/stacks/index/marf.rs:732] First-ever block 0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206

Awesome! Your node is now connected to the Neon network. Your node will receive new blocks when they are produced, and you can use your node’s RPC API to send transactions, fetch information for contracts and accounts, and more.
很好!您的节点已经链接到这个Neon网络了,当出块时,您的电脑会接收到新的区块,并且您可以使用node’s RPC API 来发送交易, 为智能合同程序和账户取回信息,等等。

Running a miner
运行一个挖矿程序


Once you’ve followed the above steps to run a node, it’s only a few more steps to run a Proof-of-burn miner on the Neon testnet.
如果您已经完成了上面所有的步骤,您可以通过下面的方法来运行一个Proof-of-burn的挖矿程序,部署在Neon测试网络上。

First, we need to generate a keychain. With this keychain, we’ll get some testnet BTC from a faucet, and then use that BTC to start mining.
首先,我们需要生存一个keychain,通过keychain,我们可以从一个“水龙头”得到一些测试网络的比特币,并用这些比特币来开始挖矿。

To get a keychain, the simplest way is to use the blockstack-cli. We’ll use the make_keychain command, and pass -t to indicate that we want a testnet keychain.
为了得到一个keychain,最简单的方法就是使用blockstack-cli,我们要用到make_keychain命令 和 pass -t 来表明我们希望得到一个测试网络的keychain。

npx [email protected] make_keychain -t

After this runs, you’ll probably see some installation logs, and at the end you should see some JSON that looks like this:
执行这个命令后,您会看到一些安装日志,最后您会看到一些json代码,显示如下:
 
{
"mnemonic": "exhaust spin topic distance hole december impulse gate century absent breeze ostrich armed clerk oak peace want scrap auction sniff cradle siren blur blur",
"keyInfo": {
"privateKey": "2033269b55026ff2eddaf06d2e56938f7fd8e9d697af8fe0f857bb5962894d5801",
"address": "STTX57EGWW058FZ6WG3WS2YRBQ8HDFGBKEFBNXTF",
"btcAddress": "mkRYR7KkPB1wjxNjVz3HByqAvVz8c4B6ND",
"index": 0
}
}

We need to get some testnet BTC to that address. Grab the btcAddress field, and head over to the Stacks testnet website. In the BTC faucet section, past in your btcAddress, and submit. You’ll be sent 0.5 testnet BTC to that address. Don’t lose this information - we’ll need to use the privateKey field later on.
我们需要一些测试网络的比特币转移到那个地址,请备份好btcAddress 字段,然后跳转到 stacks测试网络官网.  在比特币“水龙头”部分 , 粘贴您的btcAddress 然后提交。您需要发送0.5测试网络的比特币到这个地址。不要弄丢这些信息-因为我们还要继续使用这个私钥字段。

Now, we need to configure out node to use this Bitcoin keychain. In the stacks-blockchain folder, create a new file called testnet/stacks-node/conf/neon-miner-conf.toml.
Paste in the following configuration:
现在, 我们需要配置节点来使用比特币 keychain, 在stacks-blockchain文件夹里面,新建一个文件并命名为testnet/stacks-node/conf/neon-miner-conf.toml. 把下面的命令粘贴进去。
 
[node]
rpc_bind = "0.0.0.0:20443"
p2p_bind = "0.0.0.0:20444"
bootstrap_node = "048dd4f26101715853533dee005f0915375854fd5be73405f679c1917a5d4d16aaa[email protected]neon.blockstack.org:20444"
# Enter your private key here!
# 在这里输入您的私钥!
seed = "replace-with-your-private-key"
miner = true
[burnchain]
chain = "bitcoin"
mode = "neon"
peer_host = "neon.blockstack.org"
rpc_port = 18443
peer_port = 18444
[[mstx_balance]]
address = "STB44HYPYAT2BB2QE513NSP81HTMYWBJP02HPGK6"
amount = 10000000000000000
[[mstx_balance]]
address = "ST11NJTTKGVT6D1HY4NJRVQWMQM7TVAR091EJ8P2Y"
amount = 10000000000000000
[[mstx_balance]]
address = "ST1HB1T8WRNBYB0Y3T7WXZS38NKKPTBR3EG9EPJKR"
amount = 10000000000000000
[[mstx_balance]]
address = "STRYYQQ9M8KAF4NS7WNZQYY59X93XEKR31JP64CP"
amount = 10000000000000000



Now, grab your privateKey from earlier, when you ran the make_keychain command. Replace the seed field with your private key. Save and close this configuration file.
现在,拿好您之前得到的私钥,当你运行make_keychain 命令时, 用您的私钥来填写seed字段, 并保存并关闭这个配置文件。

To run your miner, run this in the command line:
为了运行您的挖矿程序,请运行下面的命令:
 
stacks-node start --config=./testnet/stacks-node/conf/neon-miner-conf.toml

Your node should start. It will take some time to sync, and then your miner will be running!
您的节点现在可以开始工作了,它需要花费一些时间来同步,然后您的挖矿程序就可以工作了!

Creating an optimized binary 
生成一个优化过的二进制

The steps above are great for trying to run a node temporarily. If you want to host a node on a server somewhere, you might want to generate an optimized binary. To do so, use the same configuration as above, but run:
以上的步骤是用来运行一个临时的节点,如果您希望配置一个节点在一台服务器上,您可能希望生成一个优化过的二进制。为了实现这一点,请同样执行上面的步骤,然后运行:
cd testnet/stacks-node
cargo build --release --bin stacks-node


The above code will compile an optimized binary. To use it, run:
上面的代码将会编译一个优化过的二进制,为了用它,请运行下面的命令:
 
cd ../..
./target/release/stacks-node start --config=./testnet/conf/neon-follower-conf.toml


Enable debug logging  启用调试日志功能
In case you are running into issues or would like to see verbose logging, you can run your node with debug logging enabled. In the command line, run:
运行过程中, 为了防止您碰到问题或者看到冗长的日志,您可以在您的节点上开启调试日志功能,请直接运行下面的命令:
BLOCKSTACK_DEBUG=1 stacks-node neon
419
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[FREE LIVE WEBINAR] How To Start Your Career in Data Science- What are The Next Steps?

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Biju Augustian posted a question • 1 users followed • 0 replies • 419 views • 2020-06-03 12:39 • data from similar tags

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What is bitcoin escrow services? How does Two Party Escrow works? How can bitcoin multi-signature feature be used for online transaction security between sellers and buyers?

Africalocals team posted the article • 0 comments • 446 views • 2020-04-14 15:38 • data from similar tags

Decentralized & Anonymous

the Bitcoin network is used for payments. it is decentralized and anonymous.

Two-Party Escrow

The seller puts up a 1x price of the item as a deposit to a bitcoin multi-signature address, and the buyer puts up 1x price of the item as a deposit to the same bitcoin multi-signature address  + 1x for payment( the buyer can use PayPal, credit card, bank transfer, cash, etc). These deposited bitcoins can only be released when both agree on payment or refund. This keeps incentives aligned without the need for escrow agents or reputation systems.

 
Free, Open & Uncensored

Free client, Open-source code available on Github under an MIT license.
 
 
 Choice Of Two Party Escrow

To appreciate the value of the two-party escrow system and why it is so important for secure, private and middlemen free exchange, it is worth considering problems with the traditional approach of using a 3rd party escrow agent.

In a third party escrow system the buyer and seller ask a third trusted party (an escrow agent) to receive payment from the buyer before the item is delivered and to then release the payment to the seller after the item is delivered. If there is a dispute about the quality of the item or whether it was delivered, the third party acts as a mediator and decides whether to send the payment or refund the buyer. Some of the problems with this model include:
 
    •  Unless escrow agent receives the item before forwarding it to the buyer and has the expertise to verify the quality of the item, they have no means of fairly mediating a dispute. This problem becomes much worse when services are being exchanged. Proof of package delivery doesn't verify what was delivered or its quality and photos from the buyer could be of another item, etc.

     • Credit cards and centralized marketplaces seem like existence proofs of working escrow agents but they are non-anonymous, do not resolve disputes fairly (as most small merchants can tell you) and are known to break in markets with high fraud potential (e.g. third world countries, porn, etc).

     • Untrustworthy escrow agents who may steal escrow, fail to release escrow or collude with (or be) one of the parties.

     • Escrow agents with a strong reputation may be doing a long con to take off with or extort a large payment or group of payments.

     • Escrow agent expenses in the form of labor and risk are passed on to the buyer and seller.
 

 
 
Finding a trustworthy agent requires a reputation system and building reputation systems in anonymous networks remains an unsolved problem (see next section).


Fortunately, a two-party escrow made possible by Bitcoin's multi-signature transactions can solve all of these problems.
 
Where Reputation Systems Are Required

For transactions involving goods delivery of the size typical for a user's cash transactions, we suspect a two-party escrow will be sufficient to address the problem of trust. But there are classes of transactions where reputation systems seem to be required. Some examples include:

 • Larger transactions such as those of the size that typically involve debt (e.g. purchasing a car), where the necessary size of security deposits for two-party escrow may be prohibitive.

 • Transactions involving services where buyer and seller meet in person (e.g. taxis) pose a risk that either party may physically coerce the other into releasing the transaction or otherwise harm them.

 • Transactions where there is a significant cost for nondelivery beyond the price of the item (e.g. urgent medical supplies and services, critical parts, deadline-driven projects).

 • Transactions where quality is difficult to objectively assess or where the client may not have the expertise to assess it (e.g. professional services).

 • Transactions where a buyer has strong concerns about exposing their physical address to a potentially malicious seller.

Reputation System Failures

Although reputation systems are useful, there are many potential ways for malicious agents to attack them. Systems that do not address these may be worse than no reputation system at all as they can result in users extending trust to untrustworthy parties or unwittingly exposing their real identities. These attacks include:

 • Build false trust: Posting fake positive reviews by creating many identities and performing transactions and posting reviews between them.

 • Build false distrust: Posting fake negative reviews of competitors.

 • Long cons: completing in good faith many transactions in order to accumulate and then exploit trust extended for a large or large group of transactions.

• Trusted parties whose computers become compromised. This is not a threat with two-party escrow as economic incentives are aligned regardless of the trustworthiness of the parties.

 • Identity leaks via delivery: Attaching reviews or history information to identities in externally verifiable ways can leak information (e.g. timing analysis by combining real-world delivery records with online transaction and review times), particularly when gathered over time.

 • Identity leaks via network analysis: Combining known real-world connection data (e.g. social network, business or friend networks) with the reputation system's network of reviews and even a single exposed real identity may provide strong hints to the real identities to other relatively direct connections.
 
 

 
 
 
 
While the Bitcoin blockchain and cryptographic signatures could provide a means of externally verifying trade history, when trades where done and whether or not they were completed, it doesn't address the fake review problem and it makes the system potentially more vulnerable to identity leaks. As far as we know, there are no existing reputation systems that sufficiently address any of these issues.
 

Trust Network Challenges

The network of trust solutions, where users keep contact lists of other users they trust and potentially share reviews between them solve the fake review problem. However, the trade-off is having fewer available reviews and that comprising one user can leak the identities of all members of their trust network if the cryptographic identities are tagged with real names.

This problem can be addressed if the market only allows the tagging of a trusted reviewer's cryptographic identities with the user's trust level in them. This also requires a more proactive role for the user in requesting these identities from those they trust and doing so in a way that does not record the connection between cryptographic and real identities.



Choice Of Escrow Ratios

The current version of the www.bitcoinescrow.ga is configured to use a 1-1 deposit/price ratio. So for the sale of an item costing X, the buyer would put up 2X (1X for payment and 1X for deposit) and the seller 1X so a total of 3X would be locked in escrow.

the current fixed ratio was chosen to meet the requirements that:

 • Deposits are large enough that consistently malicious buyers or sellers will on average go bankrupt before destroying the market assuming their bankroll is small compared to the volume of the market.

 • Deposits are large enough incentives to ensure the seller will deliver an acceptable product and that the buyer releases escrow at the end of the transaction (signing a payment or refund request).

 • Deposits are small enough that parties are willing to accept losses in order to punish bad actors. The results of the Ultimatum game experiments provide evidence that this is likely for the sizes in which the people might make cash purchases.

 • Deposits are small enough that locking the funds over the period of the transaction wouldn't be a burden for either party in the sizes in which the buyer might make cash purchases.

 • Simple enough to be easily understood by users.

The 1-1 ratio seems to be the simplest choice which meets all of these requirements.
 
If a buyer and a seller both use bitcoin for deposit and payment for items. What will happen?
 
 

 

 
If a buyer and a seller both use bitcoin for a deposit, and the buyer use PayPal, credit card, cash for payment of items. What will happen? (in this case, x = item's price, the seller deposited 2x bitcoins and the buyer deposited 1x bitcoin. For example, if the item's price = 1000 US$, and time is April 14, 2020. The seller should deposit 0.3 bitcoins and the buyer should deposit 0.15 bitcoins to the same multi-signature address.)
 
 
 
 
If a buyer, a mediator and a seller both use  2 of 3 bitcoin multi-signature,  and the buyer using PayPal, credit card, cash for payment of items. What will happen?
 

 
 
 

 
 
2 of 3 Bitcoin Escrow service uses Bitcoin's multi-signature function. There are 3 participants in this escrow service. A buyer, a seller, and a mediator.

How to use 2 of 3 Bitcoin Escrow service (Bitcoin's multi-signature function)?
you can click here to check the whole tutorial step by step

 1. Anyone of the three participants can generate an escrow address (and a redeem script) by adding the public key of all three participants. The mediator's public key can be selected from the list of mediators' option. Alternatively, you can leave this whole process to the mediator for a smooth transaction.

If you don't have a public key, you can generate your own key combination (an address, a public key, and a private key) using the  New Address tab.
 
2. To confirm the correctness, the redeem script can be verified here.

3. Once the redeem script is verified, the seller can send the Bitcoins to the newly generated escrow address.

4. Once the coins are received into the escrow address, it means the coins are locked into the escrow (meaning, it cannot be released without any of the 2 participants signing the transaction). To confirm if the coins are received in the escrow address, simply check the balance in any Blockchain Explorer.

5. Now that the coins are locked, the buyer can transfer the money and share the details of the same to the mediator and the seller. The seller confirms the completion of the money transfer.

6. The mediator then initiates the unsigned raw transaction using the Transaction tab here by loading the redeem script, adding the total amount (minus the network fee) and entering the Bitcoin address where the buyer wishes to receive the coins. The mediator then shares the unsigned raw transaction with the buyer.

7. The buyer signs the raw transaction using the signing tab with his/her private key. This generates a new 1st signed raw transaction. The buyer then shares the 1st signed raw transaction with the seller/mediator for their signature. Now either the seller or the mediator can sign the 1st signed raw transaction by repeating step 7. This will generate the 2nd signed raw transaction.

8. The 2nd signed raw transaction can then be broadcast to the main network using the Broadcast tab which will generate a new Transaction ID (TX ID). You can use Blockchain Explorer to check the status of the Transaction. This confirms the completion of the escrow transaction
  view all
Decentralized & Anonymous

the Bitcoin network is used for payments. it is decentralized and anonymous.

Two-Party Escrow

The seller puts up a 1x price of the item as a deposit to a bitcoin multi-signature address, and the buyer puts up 1x price of the item as a deposit to the same bitcoin multi-signature address  + 1x for payment( the buyer can use PayPal, credit card, bank transfer, cash, etc). These deposited bitcoins can only be released when both agree on payment or refund. This keeps incentives aligned without the need for escrow agents or reputation systems.

 
Free, Open & Uncensored

Free client, Open-source code available on Github under an MIT license.
 
 
 Choice Of Two Party Escrow

To appreciate the value of the two-party escrow system and why it is so important for secure, private and middlemen free exchange, it is worth considering problems with the traditional approach of using a 3rd party escrow agent.

In a third party escrow system the buyer and seller ask a third trusted party (an escrow agent) to receive payment from the buyer before the item is delivered and to then release the payment to the seller after the item is delivered. If there is a dispute about the quality of the item or whether it was delivered, the third party acts as a mediator and decides whether to send the payment or refund the buyer. Some of the problems with this model include:
 
    •  Unless escrow agent receives the item before forwarding it to the buyer and has the expertise to verify the quality of the item, they have no means of fairly mediating a dispute. This problem becomes much worse when services are being exchanged. Proof of package delivery doesn't verify what was delivered or its quality and photos from the buyer could be of another item, etc.

     • Credit cards and centralized marketplaces seem like existence proofs of working escrow agents but they are non-anonymous, do not resolve disputes fairly (as most small merchants can tell you) and are known to break in markets with high fraud potential (e.g. third world countries, porn, etc).

     • Untrustworthy escrow agents who may steal escrow, fail to release escrow or collude with (or be) one of the parties.

     • Escrow agents with a strong reputation may be doing a long con to take off with or extort a large payment or group of payments.

     • Escrow agent expenses in the form of labor and risk are passed on to the buyer and seller.
 

 
 
Finding a trustworthy agent requires a reputation system and building reputation systems in anonymous networks remains an unsolved problem (see next section).


Fortunately, a two-party escrow made possible by Bitcoin's multi-signature transactions can solve all of these problems.
 
Where Reputation Systems Are Required

For transactions involving goods delivery of the size typical for a user's cash transactions, we suspect a two-party escrow will be sufficient to address the problem of trust. But there are classes of transactions where reputation systems seem to be required. Some examples include:

 • Larger transactions such as those of the size that typically involve debt (e.g. purchasing a car), where the necessary size of security deposits for two-party escrow may be prohibitive.

 • Transactions involving services where buyer and seller meet in person (e.g. taxis) pose a risk that either party may physically coerce the other into releasing the transaction or otherwise harm them.

 • Transactions where there is a significant cost for nondelivery beyond the price of the item (e.g. urgent medical supplies and services, critical parts, deadline-driven projects).

 • Transactions where quality is difficult to objectively assess or where the client may not have the expertise to assess it (e.g. professional services).

 • Transactions where a buyer has strong concerns about exposing their physical address to a potentially malicious seller.

Reputation System Failures

Although reputation systems are useful, there are many potential ways for malicious agents to attack them. Systems that do not address these may be worse than no reputation system at all as they can result in users extending trust to untrustworthy parties or unwittingly exposing their real identities. These attacks include:

 • Build false trust: Posting fake positive reviews by creating many identities and performing transactions and posting reviews between them.

 • Build false distrust: Posting fake negative reviews of competitors.

 • Long cons: completing in good faith many transactions in order to accumulate and then exploit trust extended for a large or large group of transactions.

• Trusted parties whose computers become compromised. This is not a threat with two-party escrow as economic incentives are aligned regardless of the trustworthiness of the parties.

 • Identity leaks via delivery: Attaching reviews or history information to identities in externally verifiable ways can leak information (e.g. timing analysis by combining real-world delivery records with online transaction and review times), particularly when gathered over time.

 • Identity leaks via network analysis: Combining known real-world connection data (e.g. social network, business or friend networks) with the reputation system's network of reviews and even a single exposed real identity may provide strong hints to the real identities to other relatively direct connections.
 
 

 
 
 
 
While the Bitcoin blockchain and cryptographic signatures could provide a means of externally verifying trade history, when trades where done and whether or not they were completed, it doesn't address the fake review problem and it makes the system potentially more vulnerable to identity leaks. As far as we know, there are no existing reputation systems that sufficiently address any of these issues.
 

Trust Network Challenges

The network of trust solutions, where users keep contact lists of other users they trust and potentially share reviews between them solve the fake review problem. However, the trade-off is having fewer available reviews and that comprising one user can leak the identities of all members of their trust network if the cryptographic identities are tagged with real names.

This problem can be addressed if the market only allows the tagging of a trusted reviewer's cryptographic identities with the user's trust level in them. This also requires a more proactive role for the user in requesting these identities from those they trust and doing so in a way that does not record the connection between cryptographic and real identities.



Choice Of Escrow Ratios

The current version of the www.bitcoinescrow.ga is configured to use a 1-1 deposit/price ratio. So for the sale of an item costing X, the buyer would put up 2X (1X for payment and 1X for deposit) and the seller 1X so a total of 3X would be locked in escrow.

the current fixed ratio was chosen to meet the requirements that:

 • Deposits are large enough that consistently malicious buyers or sellers will on average go bankrupt before destroying the market assuming their bankroll is small compared to the volume of the market.

 • Deposits are large enough incentives to ensure the seller will deliver an acceptable product and that the buyer releases escrow at the end of the transaction (signing a payment or refund request).

 • Deposits are small enough that parties are willing to accept losses in order to punish bad actors. The results of the Ultimatum game experiments provide evidence that this is likely for the sizes in which the people might make cash purchases.

 • Deposits are small enough that locking the funds over the period of the transaction wouldn't be a burden for either party in the sizes in which the buyer might make cash purchases.

 • Simple enough to be easily understood by users.

The 1-1 ratio seems to be the simplest choice which meets all of these requirements.
 
If a buyer and a seller both use bitcoin for deposit and payment for items. What will happen?
 
 

 

 
If a buyer and a seller both use bitcoin for a deposit, and the buyer use PayPal, credit card, cash for payment of items. What will happen? (in this case, x = item's price, the seller deposited 2x bitcoins and the buyer deposited 1x bitcoin. For example, if the item's price = 1000 US$, and time is April 14, 2020. The seller should deposit 0.3 bitcoins and the buyer should deposit 0.15 bitcoins to the same multi-signature address.)
 
 
 
 
If a buyer, a mediator and a seller both use  2 of 3 bitcoin multi-signature,  and the buyer using PayPal, credit card, cash for payment of items. What will happen?
 

 
 
 

 
 
2 of 3 Bitcoin Escrow service uses Bitcoin's multi-signature function. There are 3 participants in this escrow service. A buyer, a seller, and a mediator.

How to use 2 of 3 Bitcoin Escrow service (Bitcoin's multi-signature function)?
you can click here to check the whole tutorial step by step

 1. Anyone of the three participants can generate an escrow address (and a redeem script) by adding the public key of all three participants. The mediator's public key can be selected from the list of mediators' option. Alternatively, you can leave this whole process to the mediator for a smooth transaction.

If you don't have a public key, you can generate your own key combination (an address, a public key, and a private key) using the  New Address tab.
 
2. To confirm the correctness, the redeem script can be verified here.

3. Once the redeem script is verified, the seller can send the Bitcoins to the newly generated escrow address.

4. Once the coins are received into the escrow address, it means the coins are locked into the escrow (meaning, it cannot be released without any of the 2 participants signing the transaction). To confirm if the coins are received in the escrow address, simply check the balance in any Blockchain Explorer.

5. Now that the coins are locked, the buyer can transfer the money and share the details of the same to the mediator and the seller. The seller confirms the completion of the money transfer.

6. The mediator then initiates the unsigned raw transaction using the Transaction tab here by loading the redeem script, adding the total amount (minus the network fee) and entering the Bitcoin address where the buyer wishes to receive the coins. The mediator then shares the unsigned raw transaction with the buyer.

7. The buyer signs the raw transaction using the signing tab with his/her private key. This generates a new 1st signed raw transaction. The buyer then shares the 1st signed raw transaction with the seller/mediator for their signature. Now either the seller or the mediator can sign the 1st signed raw transaction by repeating step 7. This will generate the 2nd signed raw transaction.

8. The 2nd signed raw transaction can then be broadcast to the main network using the Broadcast tab which will generate a new Transaction ID (TX ID). You can use Blockchain Explorer to check the status of the Transaction. This confirms the completion of the escrow transaction
 
883
Views

Africalocals.com Buyer Protection, MONEY BACK GUARANTEE and Terms & Conditions

Africalocals team posted the article • 0 comments • 883 views • 2020-03-21 02:14 • data from similar tags

                                                                            MONEY BACK GUARANTEE
 
We promise your money back if the item you received is not as described, or if your item is not delivered within the Buyer Protection period. You can get a refund 15 days after the claim process finishes. This guarantee is in addition to and does not limit your statutory rights as a consumer, as granted by all mandatory laws and regulations applicable in your country of residence.
 
 
1. Contact Seller
 
Go to your order history and select the item. Discuss the issue with the seller and see possible solutions.
 
2. Apply for Refund
 
If you can't come to an amicable agreement after contacting the seller, simply raise a claim by opening a dispute within 15 days following the delivery of your order or the end of the package receipt confirmation period (as listed in your order details).
 
 
3. Get Money Back in 15 Days
 
Most sellers will return your money in 15 days, however; if it's not resolved, you can contact kiwikiwifly from the order detail page to escalate your dispute.
 
 
Q&A From Sellers and Buyers

What can I sell?

Be creative! You can offer any service you wish as long as it's legal and complies with our terms. There are over 200 categories you can browse to get ideas.
 
 

How much time will I need to invest?

It's very flexible. You need to put in some time and effort in the beginning to learn the shopping mall and then you can decide for yourself what amount of work you want to do.
 

How much money can I make?

It's totally up to you. You can work as much as you want. Many sellers work on kiwikiwifly shopping mall full time and some keep their 9-5 job while using Africalocals shopping mall to make extra money.
 

How do I price my service?

With Africalocals shopping mall Packages, you set your pricing anywhere from $1- $9990 and offer different versions of your service at lots of different prices.
 
How much does it cost

It's free to join Africalocals shopping mall. There is no subscription required or fees to list your products or services. You keep 98% of each transaction.

How do I get paid?

Once you complete a buyer's order, the money is transferred to your account. No need to chase clients for payments and wait 60 or 90 days for a check.
 
 
Buy and Sell on Africalocals marketplace with confidence.

1. Do you know why we chose PayPal as our primary payment method?
2.To ensure you are always protected and secure. You will get exactly what you bought here.
3. All of our seller's products are escrowed or Your Money Back!

Here at Africalocals marketplace we follow and enforce Security Best Practices for all our clients, as well as internally.
We take your security very seriously here on https://www.kiwikiwifly.com We installed multiple layers of security features to keep your information private.

1. Secured SSL encrypted server
2. All purchases will be made over PayPal’s secure server
3. PayPal Security for all Credit Card or Debit Card Payments
4. We don’t store personal financial information on our servers

We strive to provide our customers with the highest level of service possible. From the first visit to order delivery, we want you to be completely satisfied with your experience.

Our Security & Buyer Protection Features:
 
SSL + Cryptocurrency Escrow + PayPal’s secure server + Smart Contract Program + Bitcoin Multisignature Wallet

I. Secured SSL encrypted server
Africalocals uses the best encryption software in the industry – SSL. We use the most advanced 256bit encryption technology offered. All information is encrypted and transmitted to us in a secure way. Cannot be eavesdropped upon as it is transmitted over the internet. compliant with industry standards. You can verify this by looking for a closed lock icon at the beginning of your web browser and looking for “HTTPS” at the beginning of the address of the web page.
 
Africalocals takes every precaution to protect our clients’ personal information. Your information is protected both online and offline. Further to that, we don’t store personal financial information on our servers.

Please feel safe and secure during your shopping experience with us on our secured SSL encrypted server which is the cutting edge in industry standards of online shopping.

2.  All purchases could be chosen over PayPal’s secure server
 
PayPal is one of the most accepted and secured payments available today. As a policy to protect buyer and seller’s benefit, we only accept payment via paypal. Also, you can simply use your Credit Card or Debit Card on the PayPal website. You can shop with confidence knowing you can your money back when your purchase goes wrong.
 
 
When you pay with PayPal on https://www.africalocals.com, PayPal Buyer Protection offers you comprehensive protection if your eligible transaction has a problem. If an item doesn’t arrive or is significantly not as described, PayPal help you get a full refund.
– Full refund if you don’t receive your order.
– Full refund if the product is not as described
https://www.paypal.com/us/weba ... urity

3. Bitcoin Multisignature wallet
 
Imagine a bank vault that requires more than one key to open: That’s a little how multisignature cryptocurrency wallets work (and why multi-signature wallets are typically called vaults).

You can choose how many keys are allowed to open the vault as well as the minimum number of keys needed to unlock it (e.g., you could have a 2-of-3 multisig where two out of three assigned private keys are needed, 2-of-2, 5-of-7, etc.).
 





 
 
It works like this: Justin(Buyer), Vittie(Seller) and Africalocals.com(Mediator) set up a multi-signature crypto wallet where each holds one key and two of the three keys must be present to send a transaction. To make a payment, Justin would create a transaction and sign it with his key; he would then send this transaction to Vittie, who would sign it with her key. From here, Vittie can either send it back to Justin to finalize the transaction or send it to Africalocals.com for him to sign, too (though this last step is not necessary, considering only two of the three keys are needed to unlock the wallet). The step by step tutorial is here :
 
https://www.africalocals.com/b ... about
 
  view all





                                                                            MONEY BACK GUARANTEE
 
We promise your money back if the item you received is not as described, or if your item is not delivered within the Buyer Protection period. You can get a refund 15 days after the claim process finishes. This guarantee is in addition to and does not limit your statutory rights as a consumer, as granted by all mandatory laws and regulations applicable in your country of residence.
 
 
1. Contact Seller
 
Go to your order history and select the item. Discuss the issue with the seller and see possible solutions.
 
2. Apply for Refund
 
If you can't come to an amicable agreement after contacting the seller, simply raise a claim by opening a dispute within 15 days following the delivery of your order or the end of the package receipt confirmation period (as listed in your order details).
 
 
3. Get Money Back in 15 Days

 
Most sellers will return your money in 15 days, however; if it's not resolved, you can contact kiwikiwifly from the order detail page to escalate your dispute.
 
 
Q&A From Sellers and Buyers

What can I sell?

Be creative! You can offer any service you wish as long as it's legal and complies with our terms. There are over 200 categories you can browse to get ideas.
 
 

How much time will I need to invest?

It's very flexible. You need to put in some time and effort in the beginning to learn the shopping mall and then you can decide for yourself what amount of work you want to do.
 

How much money can I make?

It's totally up to you. You can work as much as you want. Many sellers work on kiwikiwifly shopping mall full time and some keep their 9-5 job while using Africalocals shopping mall to make extra money.
 

How do I price my service?

With Africalocals shopping mall Packages, you set your pricing anywhere from $1- $9990 and offer different versions of your service at lots of different prices.
 
How much does it cost

It's free to join Africalocals shopping mall. There is no subscription required or fees to list your products or services. You keep 98% of each transaction.

How do I get paid?

Once you complete a buyer's order, the money is transferred to your account. No need to chase clients for payments and wait 60 or 90 days for a check.
 
 
Buy and Sell on Africalocals marketplace with confidence.

1. Do you know why we chose PayPal as our primary payment method?
2.To ensure you are always protected and secure. You will get exactly what you bought here.
3. All of our seller's products are escrowed or Your Money Back!

Here at Africalocals marketplace we follow and enforce Security Best Practices for all our clients, as well as internally.
We take your security very seriously here on https://www.kiwikiwifly.com We installed multiple layers of security features to keep your information private.

1. Secured SSL encrypted server
2. All purchases will be made over PayPal’s secure server
3. PayPal Security for all Credit Card or Debit Card Payments
4. We don’t store personal financial information on our servers

We strive to provide our customers with the highest level of service possible. From the first visit to order delivery, we want you to be completely satisfied with your experience.

Our Security & Buyer Protection Features:
 
SSL + Cryptocurrency Escrow + PayPal’s secure server + Smart Contract Program + Bitcoin Multisignature Wallet

I. Secured SSL encrypted server
Africalocals uses the best encryption software in the industry – SSL. We use the most advanced 256bit encryption technology offered. All information is encrypted and transmitted to us in a secure way. Cannot be eavesdropped upon as it is transmitted over the internet. compliant with industry standards. You can verify this by looking for a closed lock icon at the beginning of your web browser and looking for “HTTPS” at the beginning of the address of the web page.
 
Africalocals takes every precaution to protect our clients’ personal information. Your information is protected both online and offline. Further to that, we don’t store personal financial information on our servers.

Please feel safe and secure during your shopping experience with us on our secured SSL encrypted server which is the cutting edge in industry standards of online shopping.

2.  All purchases could be chosen over PayPal’s secure server
 
PayPal is one of the most accepted and secured payments available today. As a policy to protect buyer and seller’s benefit, we only accept payment via paypal. Also, you can simply use your Credit Card or Debit Card on the PayPal website. You can shop with confidence knowing you can your money back when your purchase goes wrong.
 
 
When you pay with PayPal on https://www.africalocals.com, PayPal Buyer Protection offers you comprehensive protection if your eligible transaction has a problem. If an item doesn’t arrive or is significantly not as described, PayPal help you get a full refund.
– Full refund if you don’t receive your order.
– Full refund if the product is not as described
https://www.paypal.com/us/weba ... urity

3. Bitcoin Multisignature wallet
 
Imagine a bank vault that requires more than one key to open: That’s a little how multisignature cryptocurrency wallets work (and why multi-signature wallets are typically called vaults).

You can choose how many keys are allowed to open the vault as well as the minimum number of keys needed to unlock it (e.g., you could have a 2-of-3 multisig where two out of three assigned private keys are needed, 2-of-2, 5-of-7, etc.).
 

Africalocals_bitcoin_escrow_wallet_|Copy-of-Multisig-wallet.png

 
 
It works like this: Justin(Buyer), Vittie(Seller) and Africalocals.com(Mediator) set up a multi-signature crypto wallet where each holds one key and two of the three keys must be present to send a transaction. To make a payment, Justin would create a transaction and sign it with his key; he would then send this transaction to Vittie, who would sign it with her key. From here, Vittie can either send it back to Justin to finalize the transaction or send it to Africalocals.com for him to sign, too (though this last step is not necessary, considering only two of the three keys are needed to unlock the wallet). The step by step tutorial is here :
 
https://www.africalocals.com/b ... about
 
 
367
Views

how to register blockstack id and get free 1 dollar bitcoin

Dylan posted the article • 0 comments • 367 views • 2019-12-25 18:45 • data from similar tags

how to register blockstack id and get free 1 dollar bitcoin.

blockstack id just like google outh and twitter outh , it has over 6k upvotes on github. Thousands of developers use it developing dapp. Thre are two benefits for using blockstack id:
1. you won’t need to use your own email address or phone number to register or log in a new website, the password is stored in your local computer, you don’t need to remember your password anymore.
2. Developer can save lots of time to write codes for user id logic parts. The API is much simpler than google outh.No one can block or delete your id.
First,we should click their official website:

https://www.yournewinternet.com/?grsf=ssoby4

From here, we can see some messages that we may have about 1 dollar free bitcoins, I tried it, if you use phone number from NYC or China, you cannot get through, Japan phone number is valid. When you see images below, you just need to click the purple “next” button.



![image](https://i.ibb.co/0y3xsQF/2019-12-21-6-30-34.png)
![image](https://i.ibb.co/2Yfm6D9/2019-12-21-6-30-43.png)
![image](https://i.ibb.co/mNTjpT0/2019-12-21-6-30-50.png)
![image](https://i.ibb.co/MVKZTX2/2019-12-21-6-30-56.png)
![image](https://i.ibb.co/X3JGMZy/2019-12-21-6-31-55.png)

After you type your name, phone number, we are directed to https://browser.blockstack.org/ I uses the Japan phone number, you can try other countries.
So, next, click the purple button “creat new id”

![image](https://i.ibb.co/Syjx9H6/1.png)

Type your id name,and see it valid or not.

![image](https://i.ibb.co/nBSrzn9/1.png)


Then you can input your email address for save your recovery key

![image](https://i.ibb.co/Vq8yKpQ/1.png)

⚠️Note:Do not share your recovery key to any body, it's like the private key of bitcoin, if you lose your recovery key, you would lose your data and coins!


![image](https://i.ibb.co/hs4vB1B/1.png)


ok,after you verify your recovery key, the page would prompts you are successfully registered.Now, you can go to: https://browser.blockstack.org/
to check out over 300 decentralized apps and softwares.Or, you can go to dapp.co, there are lots of latest decentralized apps.
you can check your free bitcoin from here: https://browser.blockstack.org/wallet/receive if you have referral of 10 users, you would get 10 dollars of bitcoins.
Tutorial Tags: how to register blockstack id|blockstack id registration tutorial|how to sign up a blockstack id|blockstack id| how to get free bitcoins view all
how to register blockstack id and get free 1 dollar bitcoin.

blockstack id just like google outh and twitter outh , it has over 6k upvotes on github. Thousands of developers use it developing dapp. Thre are two benefits for using blockstack id:
1. you won’t need to use your own email address or phone number to register or log in a new website, the password is stored in your local computer, you don’t need to remember your password anymore.
2. Developer can save lots of time to write codes for user id logic parts. The API is much simpler than google outh.No one can block or delete your id.
First,we should click their official website:

https://www.yournewinternet.com/?grsf=ssoby4

From here, we can see some messages that we may have about 1 dollar free bitcoins, I tried it, if you use phone number from NYC or China, you cannot get through, Japan phone number is valid. When you see images below, you just need to click the purple “next” button.



![image](https://i.ibb.co/0y3xsQF/2019-12-21-6-30-34.png)
![image](https://i.ibb.co/2Yfm6D9/2019-12-21-6-30-43.png)
![image](https://i.ibb.co/mNTjpT0/2019-12-21-6-30-50.png)
![image](https://i.ibb.co/MVKZTX2/2019-12-21-6-30-56.png)
![image](https://i.ibb.co/X3JGMZy/2019-12-21-6-31-55.png)

After you type your name, phone number, we are directed to https://browser.blockstack.org/ I uses the Japan phone number, you can try other countries.
So, next, click the purple button “creat new id”

![image](https://i.ibb.co/Syjx9H6/1.png)

Type your id name,and see it valid or not.

![image](https://i.ibb.co/nBSrzn9/1.png)


Then you can input your email address for save your recovery key

![image](https://i.ibb.co/Vq8yKpQ/1.png)

⚠️Note:Do not share your recovery key to any body, it's like the private key of bitcoin, if you lose your recovery key, you would lose your data and coins!


![image](https://i.ibb.co/hs4vB1B/1.png)


ok,after you verify your recovery key, the page would prompts you are successfully registered.Now, you can go to: https://browser.blockstack.org/
to check out over 300 decentralized apps and softwares.Or, you can go to dapp.co, there are lots of latest decentralized apps.
you can check your free bitcoin from here: https://browser.blockstack.org/wallet/receive if you have referral of 10 users, you would get 10 dollars of bitcoins.
Tutorial Tags: how to register blockstack id|blockstack id registration tutorial|how to sign up a blockstack id|blockstack id| how to get free bitcoins
444
Views

how to register blockstack id and get free 1 dollar bitcoin.step by stey tutorial with images for begnners

Dylan posted the article • 0 comments • 444 views • 2019-12-25 18:41 • data from similar tags

how to register blockstack id and get free 1 dollar bitcoin.
 
blockstack id just like google outh and twitter outh , it has over 6k upvotes on github. Thousands of developers use it developing dapp. Thre are two benefits for using blockstack id:
  1. you won’t need to use your own email address or phone number to register or log in a new website, the password is stored in your local computer, you don’t need to remember your password anymore.
2. Developer can save lots of time to write codes for user id logic parts. The API is much simpler than google outh.No one can block or delete your id.
First,we should click their official website:
  https://www.yournewinternet.com?grsf=539eu3

From here, we can see some messages that we may have about 1 dollar free bitcoins, I tried it, if you use phone number from NYC or China, you cannot get through, Japan phone number is valid. When you see images below, you just need to click the purple “next” button.

 
 
 


 
 
 


After you type your name, phone number, we are directed to https://browser.blockstack.org/   I use the Japan phone number, you can try other countries.
So, next, click the purple button “creat new id”



Type your id name,and see it valid or not.




Then you can input your email address for save your recovery key



⚠️Note:Do not share your recovery key to any body, it's like the private key of bitcoin, if you lose your recovery key, you would lose your data and coins!





ok,after you verify your recovery key, the page would prompts you are successfully registered.Now, you can go to: https://browser.blockstack.org/
to check out over 300 decentralized apps and softwares.Or, you can go to dapp.co, there are lots of latest decentralized apps.
you can check your free bitcoin from here: https://browser.blockstack.org/wallet/receive if you have referral of 10 users, you would get 10 dollars of bitcoins.
Tutorial Tags: how to register blockstack id|blockstack id registration tutorial|how to sign up a blockstack id|blockstack id| how to get free bitcoins view all
how to register blockstack id and get free 1 dollar bitcoin.
 
blockstack id just like google outh and twitter outh , it has over 6k upvotes on github. Thousands of developers use it developing dapp. Thre are two benefits for using blockstack id:
  1. you won’t need to use your own email address or phone number to register or log in a new website, the password is stored in your local computer, you don’t need to remember your password anymore.
2. Developer can save lots of time to write codes for user id logic parts. The API is much simpler than google outh.No one can block or delete your id.
First,we should click their official website:
  https://www.yournewinternet.com?grsf=539eu3

From here, we can see some messages that we may have about 1 dollar free bitcoins, I tried it, if you use phone number from NYC or China, you cannot get through, Japan phone number is valid. When you see images below, you just need to click the purple “next” button.

 
 
 


 
 
 


After you type your name, phone number, we are directed to https://browser.blockstack.org/   I use the Japan phone number, you can try other countries.
So, next, click the purple button “creat new id”



Type your id name,and see it valid or not.




Then you can input your email address for save your recovery key



⚠️Note:Do not share your recovery key to any body, it's like the private key of bitcoin, if you lose your recovery key, you would lose your data and coins!





ok,after you verify your recovery key, the page would prompts you are successfully registered.Now, you can go to: https://browser.blockstack.org/
to check out over 300 decentralized apps and softwares.Or, you can go to dapp.co, there are lots of latest decentralized apps.
you can check your free bitcoin from here: https://browser.blockstack.org/wallet/receive if you have referral of 10 users, you would get 10 dollars of bitcoins.
Tutorial Tags: how to register blockstack id|blockstack id registration tutorial|how to sign up a blockstack id|blockstack id| how to get free bitcoins
322
Views

How to sign up a blockstack id and get 1 dollar free bitcoins,step by step tutorial for beginners

dacre posted the article • 0 comments • 322 views • 2019-12-24 22:26 • data from similar tags

Official blockstack id sign up webiste: https://www.yournewinternet.com/?grsf=ssoby4
 
video tags:how to sign up a blockstack id|How to register a blockstack id |blockstack id|blockstack
 
 
  view all

Official blockstack id sign up webiste: https://www.yournewinternet.com/?grsf=ssoby4
 
video tags:how to sign up a blockstack id|How to register a blockstack id |blockstack id|blockstack
 
 
 


545
Views

【blockstack新手入门教程】如何注册blockstack id, 并免费获得大约1美金的比特币,这应该是最详细的图文教程啦

Dylan posted the article • 0 comments • 545 views • 2019-12-21 22:22 • data from similar tags

如何注册一个blockstack id,一步一步详细图文教程

blockstack id 类似于qq登录或者微信一键登录,在github上高达6k的点赞,已经有数千的程序员使用这个blockstack架构来开发dapp。使用blockstack id 对于普通用户和开发者有2个作用:

1. 可以不用注册app,直接登录。体验众多的dapp。比如类似于百度网盘的xordrive
2. 开发者可以免去写注册、登录的代码,省去大量开发时间,api比google outh或者qq一键登录更加友好、简单。

首先我们打开他们的网站 https://www.yournewinternet.com/?grsf=ssoby4

然后会出现很多提示:你可以通过这个网站注册blockstack id 并获得大约1美金左右的免费比特币。不过经过我测试,中国的手机号是不行的,但是可以得到一个免费的blockstack id。ok,我们继续.当看下面的图片时,我们直接点击紫色的next按钮。

 


最重要的环节来了,当你填写的手机号验证通过后,我们就到了https://browser.blockstack.org/ 这个页面来注册一个blockstack id,我用的是Estonia的号码,大家也可以尝试别的国家试试。
接下来就非常简单了,点击紫色create new id按钮,如图所示:
 

填写一个用户名,程序会自动检测是否已经被注册过。


然后我们在输入一个邮箱地址,用来保存我们的recovery key

⚠️注意:这个密钥不能分享给任何人!!类似于比特币的私钥,这个recovery key也是在本地电脑生成的,如果你丢失,是无法找回这个密钥的!

ok,我们继续,点击紫色按钮secret recovery key 显示密钥明文,把我们的密钥保存到一个安全的地方。




ok,一旦你验证你的密钥后,网页会提示你注册成功。 你就可以到: https://browser.blockstack.org/ 这个页面去体验300个去中心化的网站和应用程序。

或者你也可以去 dapp.co  这个网站里面查看最新的基于blockstack架构开发的 dapp。

去这个网址下面查看你的比特币余额: https://browser.blockstack.org/wallet/receive  我用的是Estonia免费的号码注册,也没有收到。 估计薅羊毛的人太多,被官方屏蔽了。
  view all
如何注册一个blockstack id,一步一步详细图文教程

blockstack id 类似于qq登录或者微信一键登录,在github上高达6k的点赞,已经有数千的程序员使用这个blockstack架构来开发dapp。使用blockstack id 对于普通用户和开发者有2个作用:

1. 可以不用注册app,直接登录。体验众多的dapp。比如类似于百度网盘的xordrive
2. 开发者可以免去写注册、登录的代码,省去大量开发时间,api比google outh或者qq一键登录更加友好、简单。

首先我们打开他们的网站 https://www.yournewinternet.com/?grsf=ssoby4

然后会出现很多提示:你可以通过这个网站注册blockstack id 并获得大约1美金左右的免费比特币。不过经过我测试,中国的手机号是不行的,但是可以得到一个免费的blockstack id。ok,我们继续.当看下面的图片时,我们直接点击紫色的next按钮。

 


最重要的环节来了,当你填写的手机号验证通过后,我们就到了https://browser.blockstack.org/ 这个页面来注册一个blockstack id,我用的是Estonia的号码,大家也可以尝试别的国家试试。
接下来就非常简单了,点击紫色create new id按钮,如图所示:
 

填写一个用户名,程序会自动检测是否已经被注册过。


然后我们在输入一个邮箱地址,用来保存我们的recovery key

⚠️注意:这个密钥不能分享给任何人!!类似于比特币的私钥,这个recovery key也是在本地电脑生成的,如果你丢失,是无法找回这个密钥的!

ok,我们继续,点击紫色按钮secret recovery key 显示密钥明文,把我们的密钥保存到一个安全的地方。




ok,一旦你验证你的密钥后,网页会提示你注册成功。 你就可以到: https://browser.blockstack.org/ 这个页面去体验300个去中心化的网站和应用程序。

或者你也可以去 dapp.co  这个网站里面查看最新的基于blockstack架构开发的 dapp。

去这个网址下面查看你的比特币余额: https://browser.blockstack.org/wallet/receive  我用的是Estonia免费的号码注册,也没有收到。 估计薅羊毛的人太多,被官方屏蔽了。
 
378
Views

【blockstack 新手入門教程】如何註冊blockstack id, 並免費獲得大約1美金的比特幣,內附最詳細的圖文教程

Dylan posted the article • 0 comments • 378 views • 2019-12-21 22:16 • data from similar tags

如何註冊blockstack id, 並免費獲得大約1美金的比特幣,內附一步一步最詳細的圖文教程

blockstack id 類似於qq登錄或者微信一鍵登錄,在github上高達6k的點贊,已經有數千的程序員使用這個blockstack架構來開發dapp。使用blockstack id 對於普通用戶和開發者有2個作用:

1. 可以不用註冊app,直接登錄。體驗眾多的dapp。比如類似於google drive的xordrive
2. 開發者可以免去寫註冊、登錄的代碼,省去大量開發時間,api比google outh或者qq一鍵登錄更加友好、簡單。

首先我們打開他們的網站 https://www.yournewinternet.com/?grsf=ssoby4

然後會出現很多提示:你可以通過這個網站註冊blockstack id 並獲得大約1美金左右的免費比特幣。不過經過我測試,中國的手機號是不行的,但是可以得到一個免費的blockstack id。ok,我們繼續.當看下面的圖片時,我們直接點擊紫色的next按鈕。

 
最重要的環節來了,當你填寫的手機號驗證通過後,我們就到了https://browser.blockstack.org/ 這個頁面來註冊一個blockstack id,我用的是Estonia的號碼,大家也可以嘗試別的國家試試。

接下來就非常簡單了,點擊紫色create new id按鈕,如圖所示:
 
 
填寫一個用戶名,程序會自動檢測是否已經被註冊過。
 

 
 
然後我們在輸入一個郵箱地址,用來保存我們的recovery key 

 
⚠️注意:這個密鑰不能分享給任何人!!類似於比特幣的私鑰,這個recovery key也是在本地電腦生成的,如果你丟失,是無法找回這個密鑰的!
ok,我們繼續,點擊紫色按鈕secret recovery key 顯示密鑰明文,把我們的密鑰保存到一個安全的地方。



ok,一旦你驗證你的密鑰後,網頁會提示你註冊成功。 你就可以到: https://browser.blockstack.org/ 這個頁面去體驗300個去中心化的網站和軟體。

或者你也可以去 dapp.co  這個網站裡面查看最新的基於blockstack架構開發的 dapp。

去這個網址下面查看你的比特幣餘額: https://browser.blockstack.org/wallet/receive  我用的是Estonia免費的號碼註冊,也沒有收到。 估計薅羊毛的人太多,被官方屏蔽了。
  view all
如何註冊blockstack id, 並免費獲得大約1美金的比特幣,內附一步一步最詳細的圖文教程

blockstack id 類似於qq登錄或者微信一鍵登錄,在github上高達6k的點贊,已經有數千的程序員使用這個blockstack架構來開發dapp。使用blockstack id 對於普通用戶和開發者有2個作用:

1. 可以不用註冊app,直接登錄。體驗眾多的dapp。比如類似於google drive的xordrive
2. 開發者可以免去寫註冊、登錄的代碼,省去大量開發時間,api比google outh或者qq一鍵登錄更加友好、簡單。

首先我們打開他們的網站 https://www.yournewinternet.com/?grsf=ssoby4

然後會出現很多提示:你可以通過這個網站註冊blockstack id 並獲得大約1美金左右的免費比特幣。不過經過我測試,中國的手機號是不行的,但是可以得到一個免費的blockstack id。ok,我們繼續.當看下面的圖片時,我們直接點擊紫色的next按鈕。

 
最重要的環節來了,當你填寫的手機號驗證通過後,我們就到了https://browser.blockstack.org/ 這個頁面來註冊一個blockstack id,我用的是Estonia的號碼,大家也可以嘗試別的國家試試。

接下來就非常簡單了,點擊紫色create new id按鈕,如圖所示:
 
 
填寫一個用戶名,程序會自動檢測是否已經被註冊過。
 

 
 
然後我們在輸入一個郵箱地址,用來保存我們的recovery key 

 
⚠️注意:這個密鑰不能分享給任何人!!類似於比特幣的私鑰,這個recovery key也是在本地電腦生成的,如果你丟失,是無法找回這個密鑰的!
ok,我們繼續,點擊紫色按鈕secret recovery key 顯示密鑰明文,把我們的密鑰保存到一個安全的地方。



ok,一旦你驗證你的密鑰後,網頁會提示你註冊成功。 你就可以到: https://browser.blockstack.org/ 這個頁面去體驗300個去中心化的網站和軟體。

或者你也可以去 dapp.co  這個網站裡面查看最新的基於blockstack架構開發的 dapp。

去這個網址下面查看你的比特幣餘額: https://browser.blockstack.org/wallet/receive  我用的是Estonia免費的號碼註冊,也沒有收到。 估計薅羊毛的人太多,被官方屏蔽了。
 
498
Views

How does 2 of 3 Bitcoin Escrow work?

Africalocals team posted the article • 0 comments • 498 views • 2019-12-17 18:40 • data from similar tags

In Simple Infographic Representation
 

 
 

 
 
 
 
Our 2 of 3 Bitcoin Escrow service uses Bitcoin's multisignature function. There are 3 participants in this escrow service. A buyer, a seller and a mediator. All the transaction online and through https://bitcoinescrow.ga/.

1. Any one of the three participants can generate an escrow address (and a redeem script) by adding the public key of all three participants. The mediator's public key can be selected from the list of mediators option. Alternatively, you can leave this whole process to the mediator for a smooth transaction.

If you don't have a public key, you can generate your own key combination (an address, a public key and a private key) using the  New Address tab.NOTE: Never share your Private Key to anyone else. If you do, you would lose your bitcoins! They can sign the transaction on your behalf and redeem all the coins to their address.

2. To confirm the correctness, the redeem script can be verified here   .

3. Once the redeem script is verified, the seller can send the Bitcoins to the newly generated escrow address.

4. Once the coins are received into the escrow address, it means the coins are locked into the escrow (meaning, it cannot be released without any of the 2 participants signing the transaction). To confirm if the coins are received in the escrow address, simply check the balance in any Blockchain Explorer .

5. Now that the coins are locked, the buyer can transfer the money and share the details of the same to the mediator and the seller. The seller confirms the completion of the money transfer.

6. The mediator then initiates the unsigned raw transaction using the Transaction tab here by loading the redeem script, adding the total amount (minue the network fee) and entering the Bitcoin address where the buyer wishes to receive the coins. The mediator then shares the unsigned raw transaction to the buyer.

7. The buyer signs the raw transaction using the sign tab with his/her private key. This generates a new 1st signed raw transaction. The buyer then shares the 1st signed raw transaction with the seller/mediator for their signature. Now either the seller or the mediator can sign the 1st signed raw transaction by repeating step 7. This will generate the 2nd signed raw transaction.

8. The 2nd signed raw transaction can then be broadcast to the main network using Broadcast tab which will generate a new Transaction ID (TX ID). You can use Blockchain Explorer to check the status of the Transaction. This confirms the completion of the escrow transaction



 
 
 

  view all
In Simple Infographic Representation
 

 
 

 
 
 
 
Our 2 of 3 Bitcoin Escrow service uses Bitcoin's multisignature function. There are 3 participants in this escrow service. A buyer, a seller and a mediator. All the transaction online and through https://bitcoinescrow.ga/.

1. Any one of the three participants can generate an escrow address (and a redeem script) by adding the public key of all three participants. The mediator's public key can be selected from the list of mediators option. Alternatively, you can leave this whole process to the mediator for a smooth transaction.

If you don't have a public key, you can generate your own key combination (an address, a public key and a private key) using the  New Address tab.
NOTE: Never share your Private Key to anyone else. If you do, you would lose your bitcoins! They can sign the transaction on your behalf and redeem all the coins to their address.


2. To confirm the correctness, the redeem script can be verified here   .

3. Once the redeem script is verified, the seller can send the Bitcoins to the newly generated escrow address.

4. Once the coins are received into the escrow address, it means the coins are locked into the escrow (meaning, it cannot be released without any of the 2 participants signing the transaction). To confirm if the coins are received in the escrow address, simply check the balance in any Blockchain Explorer .

5. Now that the coins are locked, the buyer can transfer the money and share the details of the same to the mediator and the seller. The seller confirms the completion of the money transfer.

6. The mediator then initiates the unsigned raw transaction using the Transaction tab here by loading the redeem script, adding the total amount (minue the network fee) and entering the Bitcoin address where the buyer wishes to receive the coins. The mediator then shares the unsigned raw transaction to the buyer.

7. The buyer signs the raw transaction using the sign tab with his/her private key. This generates a new 1st signed raw transaction. The buyer then shares the 1st signed raw transaction with the seller/mediator for their signature. Now either the seller or the mediator can sign the 1st signed raw transaction by repeating step 7. This will generate the 2nd signed raw transaction.

8. The 2nd signed raw transaction can then be broadcast to the main network using Broadcast tab which will generate a new Transaction ID (TX ID). You can use Blockchain Explorer to check the status of the Transaction. This confirms the completion of the escrow transaction



 
 
 

 
390
Views

Firefox private network deployment tutorial without ip limitation.100% free ,20190928

dacre posted the article • 1 comments • 390 views • 2019-09-29 07:11 • data from similar tags

 

how to install firefox private network vpn when you outside of USA

Step by step tutorial:

1. Go to  https://www.mozilla.org/en-US/ Download the latest Firefox browser,install it into your computer.

2. Download the cracked Firefox vpn(private network) xpi file from here,and save it on your local computer .

https://xordrive.io/%3Fp%3Dbei ... 9468a
Another download link( password:2019): https://send.firefox.com/downl ... VzN9A
3. Open Firefox ,Click the Firefox “tool” button which on the top of your computer screen ,select “add-ons” option ,then you will go to the extension installation webpage. 

4. Drag that xpi file and drop to that area, and you would see an installation window pops up. Click “add it”

5. Then you would see a grey button like a map icon on the top-right of your Firefox browser,click it,login your Firefox id now, if you don’t have a Firefox id, you would have to register it first.

video tags: how to break the firefox vpn ip address limitation if I not in United States? | Firefox vpn installation tutorial ,When you outside of USA,it still works |what are vpns still working in China Russia,Iran or North Korea?
 
 
  view all
 


how to install firefox private network vpn when you outside of USA

Step by step tutorial:

1. Go to  https://www.mozilla.org/en-US/ Download the latest Firefox browser,install it into your computer.

2. Download the cracked Firefox vpn(private network) xpi file from here,and save it on your local computer .

https://xordrive.io/%3Fp%3Dbei ... 9468a
Another download link( password:2019): https://send.firefox.com/downl ... VzN9A
3. Open Firefox ,Click the Firefox “tool” button which on the top of your computer screen ,select “add-ons” option ,then you will go to the extension installation webpage. 

4. Drag that xpi file and drop to that area, and you would see an installation window pops up. Click “add it”

5. Then you would see a grey button like a map icon on the top-right of your Firefox browser,click it,login your Firefox id now, if you don’t have a Firefox id, you would have to register it first.

video tags: how to break the firefox vpn ip address limitation if I not in United States? | Firefox vpn installation tutorial ,When you outside of USA,it still works |what are vpns still working in China Russia,Iran or North Korea?
 
 
 
458
Views

How to install htop on CentOS 7 -the step by step tutorial with images 20190917

karin posted the article • 0 comments • 458 views • 2019-09-18 19:42 • data from similar tags

Many sysadmins know about top, the standard process management and activity monitor that comes on most Linux systems. But there are times when top does not provide the information you’re really looking for, or you want something that updates more frequently as the state of your system changes.

 

Look no further than htop. It’s interactive, real-time, and sports a variety of metrics and details above and beyond what top provides.

 

You can see CPU utilization at a glance, and that’s just the tip of the iceberg. Sort processes, kill rogue jobs right from htop, and set priorities. To learn more about htop, see the htop website.

Prerequisites to Installing htop on CentOS 7

To install htop on CentOS 7, you’ll need a few things:

 

A CentOS 7 machine
Basic knowledge of Linux and how to use the shell

Installing htop on CentOS 7: Two Methods

There are two different ways you can get htop on your computer. First, you can install it as a binary from your package manager (on CentOS this would be yum). This is a good option if you want to get it right away and don’t much mind what version of htop you’re getting.

 

You can also install htop from source. Since htop is open-source, you can download the code and build it yourself on your system. This takes a little longer, but you can be sure you’re getting the most updated build available (important if you’re looking for a specific new feature).

 

We’ll go through both methods step by step.

Install htop with Yum

The yum package manager does not contain htop by default. This is okay; we just need to add an EPEL repository so yum can find it. Here’s the commands to add that repository:

 yum -y install epel-release

yum -y update

 

Now with the repository properly added, you can tell yum to install the htop process monitoring tool:

 yum -y install htop




If the installation completes successfully, you should be able to type htop at the command line and see the status of your system.

 
(source: htop screenshots)

To learn more about htop’s features and how to customize it, see the htop website or htop explained.

Install htop from Source

To ensure you have the most recent version of htop and all the new features, you can install htop from source. This involves downloading the source code and building it on your machine.

 

Installing from source means you need to gather the dependencies yourself. Before we can install htop, we’ll need Development Tools (gcc and other compilers) and ncurses.

 

yum groupinstall "Development Tools"

yum install ncurses ncurses-devel

 

With the dependencies installed, we can grab the source code and extract it:

 

wget http://hisham.hm/htop/releases ... ar.gz

tar xvfvz htop-2.0.2.tar.gz

cd htop-2.0.2

 

Now that we’re in the folder with the htop source code, we can run these three commands to prepare and build the code:

 

./configure

make

make install

 

Once the make install step completes, you should be able to use htop. Try typing htop into your terminal and you should see the system monitor appear.

 

If you get a htop: command not found error, you’ll need to specify the location of the htop executable in your PATH.

Conclusion: htop on CentOS7 Installed

There’s so much you can do with htop, and we hope it will help monitor your processes more quickly and easily. As always, if you have questions please leave them in the comments below.
  view all
Many sysadmins know about top, the standard process management and activity monitor that comes on most Linux systems. But there are times when top does not provide the information you’re really looking for, or you want something that updates more frequently as the state of your system changes.

 

Look no further than htop. It’s interactive, real-time, and sports a variety of metrics and details above and beyond what top provides.

 

You can see CPU utilization at a glance, and that’s just the tip of the iceberg. Sort processes, kill rogue jobs right from htop, and set priorities. To learn more about htop, see the htop website.

Prerequisites to Installing htop on CentOS 7

To install htop on CentOS 7, you’ll need a few things:

 

A CentOS 7 machine
Basic knowledge of Linux and how to use the shell

Installing htop on CentOS 7: Two Methods

There are two different ways you can get htop on your computer. First, you can install it as a binary from your package manager (on CentOS this would be yum). This is a good option if you want to get it right away and don’t much mind what version of htop you’re getting.

 

You can also install htop from source. Since htop is open-source, you can download the code and build it yourself on your system. This takes a little longer, but you can be sure you’re getting the most updated build available (important if you’re looking for a specific new feature).

 

We’ll go through both methods step by step.

Install htop with Yum

The yum package manager does not contain htop by default. This is okay; we just need to add an EPEL repository so yum can find it. Here’s the commands to add that repository:

 
yum -y install epel-release

yum -y update


 

Now with the repository properly added, you can tell yum to install the htop process monitoring tool:

 
yum -y install htop





If the installation completes successfully, you should be able to type htop at the command line and see the status of your system.

 
(source: htop screenshots)

To learn more about htop’s features and how to customize it, see the htop website or htop explained.

Install htop from Source

To ensure you have the most recent version of htop and all the new features, you can install htop from source. This involves downloading the source code and building it on your machine.

 

Installing from source means you need to gather the dependencies yourself. Before we can install htop, we’ll need Development Tools (gcc and other compilers) and ncurses.

 

yum groupinstall "Development Tools"

yum install ncurses ncurses-devel

 

With the dependencies installed, we can grab the source code and extract it:

 

wget http://hisham.hm/htop/releases ... ar.gz

tar xvfvz htop-2.0.2.tar.gz

cd htop-2.0.2

 

Now that we’re in the folder with the htop source code, we can run these three commands to prepare and build the code:

 

./configure

make

make install

 

Once the make install step completes, you should be able to use htop. Try typing htop into your terminal and you should see the system monitor appear.

 

If you get a htop: command not found error, you’ll need to specify the location of the htop executable in your PATH.

Conclusion: htop on CentOS7 Installed

There’s so much you can do with htop, and we hope it will help monitor your processes more quickly and easily. As always, if you have questions please leave them in the comments below.
 
372
Views

How to deploy your dns records on your Amazon Kindle Fire

leo posted the article • 0 comments • 372 views • 2019-09-11 12:23 • data from similar tags

Configuring the WiFi Settings
 

1.Pull down the notification bar and click on Wireless
 
 

 
 
2.In your Wifi list, tap your network once to show the connection status window and note the IP address assigned to your Kindle

 
3. Click cancel and Tap & Hold the same WiFi network and click Advanced Settings
 

 
 
4. Choose the option "Use Static IP" and some additional fields will display to complete. You're almost done! 

5. Use the following information to complete the Advanced Settings page



IP Address: Use the IP address noted in Step 2
Router: This is also known as the "wireless gateway" or the IP address to log into the router's configuration page. This can be found in your router's manual. Typically, most routers will use the first three parts of the address (a.k.a octets) with the last being number 1. 

For example, if the first three octets of the IP address you noted in Step 2 starts with 192.168.2.xxx, then the router's address is probably 192.168.2.1

Subnet Mask: 255.255.255.0
DNS 1 & 2: 208.67.222.222 and 208.67.220.220

Save your settings and reboot your device to flush the device's caches.
 
 
NOTE:

This will only set up OpenDNS for the network you chose in the Kindle Fire's wifi list. If the device connects to a different WiFi, repeat the steps above for the new network.

CANNOT CONNECT TO INTERNET:

If for any reason the Kindle cannot connect to the Internet after applying OpenDNS to your WiFi advanced settings. Repeat steps 1 - 4 and disable STATIC IP. Save (if possible) and reboot the device. The issue could be an incorrect IP address for the router, which would need to referenced in the router's manual.
 
Test your Kindle


To ensure that OpenDNS is working for your device, visit http://welcome.opendns.com and you will be greeted with a welcome message to show that you're all set! To further test this, go to http://internetbadguys.com to test the block page. 
 
 
  view all
Configuring the WiFi Settings
 

1.Pull down the notification bar and click on Wireless
 
 

 
 
2.In your Wifi list, tap your network once to show the connection status window and note the IP address assigned to your Kindle

 
3. Click cancel and Tap & Hold the same WiFi network and click Advanced Settings
 

 
 
4. Choose the option "Use Static IP" and some additional fields will display to complete. You're almost done! 

5. Use the following information to complete the Advanced Settings page



IP Address: Use the IP address noted in Step 2
Router: This is also known as the "wireless gateway" or the IP address to log into the router's configuration page. This can be found in your router's manual. Typically, most routers will use the first three parts of the address (a.k.a octets) with the last being number 1. 

For example, if the first three octets of the IP address you noted in Step 2 starts with 192.168.2.xxx, then the router's address is probably 192.168.2.1

Subnet Mask: 255.255.255.0
DNS 1 & 2: 208.67.222.222 and 208.67.220.220

Save your settings and reboot your device to flush the device's caches.
 
 
NOTE:

This will only set up OpenDNS for the network you chose in the Kindle Fire's wifi list. If the device connects to a different WiFi, repeat the steps above for the new network.

CANNOT CONNECT TO INTERNET:

If for any reason the Kindle cannot connect to the Internet after applying OpenDNS to your WiFi advanced settings. Repeat steps 1 - 4 and disable STATIC IP. Save (if possible) and reboot the device. The issue could be an incorrect IP address for the router, which would need to referenced in the router's manual.
 
Test your Kindle


To ensure that OpenDNS is working for your device, visit http://welcome.opendns.com and you will be greeted with a welcome message to show that you're all set! To further test this, go to http://internetbadguys.com to test the block page. 
 
 
 
395
Views

How to deploy your dns on Apple Tv | Apple TV Configuration Tutorial

leo posted the article • 0 comments • 395 views • 2019-09-11 12:03 • data from similar tags

1.From the Apple TV main menu, select "Settings." 
2.Select "General."
3.Select "Network."
4.Select "Ethernet" or your WiFi network.
5.Select "Configure DNS"
6.Choose "Manual," overwrite DNS address to "208.67.222.222 & 208.67.220.220" and select Done. view all
1.From the Apple TV main menu, select "Settings." 
2.Select "General."
3.Select "Network."
4.Select "Ethernet" or your WiFi network.
5.Select "Configure DNS"
6.Choose "Manual," overwrite DNS address to "208.67.222.222 & 208.67.220.220" and select Done.
519
Views

How to deploy your dns on Apple Airport v7.7.8 | Apple Router Configuration Tutorial

leo posted the article • 0 comments • 519 views • 2019-09-11 12:00 • data from similar tags

1. Launch the AirPort Utility.

The AirPort Utility can be found in the Utilities folder within your Applications folder.

 

2. Select your Airport Base Station.

Some users have multiple Airport Base Stations, select the one you wish to configure.  

 

3. Enter the configuration menu for the Airport Base Station.

Click "Edit."

 




4. Change the configuration settings.

Click “Internet” to configure your router’s internet settings.

 
 
 
5. Enter the first DNS resolver address.

Enter 208.67.222.222 in the “Primary DNS Server:” field.

6. Enter the second DNS resolver address.

Enter 208.67.220.220 in the “Secondary DNS Server:” field.
 

 
7. Save your settings.

Click  “Update” to apply your settings.
 

 
 

8. Ensure that your AirPort is not in Bridge mode. Your OpenDNS configuration will not work if the AirPort is in Bridge Mode!9. Cache Flushing.

To ensure that OpenDNS is working properly for you, please flush your browser and DNS cache by following the instructions below:

https://support.umbrella.com/h ... Cache
 
 
  view all
1. Launch the AirPort Utility.

The AirPort Utility can be found in the Utilities folder within your Applications folder.

 

2. Select your Airport Base Station.

Some users have multiple Airport Base Stations, select the one you wish to configure.  

 

3. Enter the configuration menu for the Airport Base Station.

Click "Edit."

 




4. Change the configuration settings.

Click “Internet” to configure your router’s internet settings.

 
 
 
5. Enter the first DNS resolver address.

Enter 208.67.222.222 in the “Primary DNS Server:” field.

6. Enter the second DNS resolver address.

Enter 208.67.220.220 in the “Secondary DNS Server:” field.
 

 
7. Save your settings.

Click  “Update” to apply your settings.
 

 
 

8. Ensure that your AirPort is not in Bridge mode. Your OpenDNS configuration will not work if the AirPort is in Bridge Mode!9. Cache Flushing.

To ensure that OpenDNS is working properly for you, please flush your browser and DNS cache by following the instructions below:

https://support.umbrella.com/h ... Cache
 
 
 
676
Views

How to deploy your dns for your android phone | Android Configuration tutorials for OpenDNS

leo posted the article • 0 comments • 676 views • 2019-09-11 11:56 • data from similar tags

Overview

 This Knowledge Base article will show you how to set up your Android device in order to use OpenDNS.
Note:

These instructions only work for Wi-Fi connections because Android does not allow you to change the DNS servers when connected to cellular networks. Also, the changes are network specific, so you'll need to change the DNS servers every time you connect to a new wireless network. The good news is that Android remembers the settings, so you won't have to do repeat these changes whenever you reconnect to a known network.

 Changing your Android's DNS settings:

 
1.From the Android Menu home screen, tap Settings.
2.Tap Wi-Fi on the menu. The screen shown below appears, listing all of the networks your phone is able to discover.

 
 
 
3.Long press the Network you're connected to, and tap Modify Network.
 

4. On some devices, you may need to check the box for "Advanced" to see further settings. To adjust your Android DNS settings, you will need to switch the IP settings from DHCP to Static. Once changed, the menu will appear with the DNS settings available to edit. Don't worry about the editing the IP address as the Android device will fill in the IP address it has acquired through DHCP. Add our DNS resolvers (208.67.222.222 and 208.67.220.220) to the entries for DNS 1 and DNS 2 as shown below:
 

 
 
5. Save your settings.



That's it! You've updated your Android device's DNS servers!
  view all
Overview

 This Knowledge Base article will show you how to set up your Android device in order to use OpenDNS.
Note:

These instructions only work for Wi-Fi connections because Android does not allow you to change the DNS servers when connected to cellular networks. Also, the changes are network specific, so you'll need to change the DNS servers every time you connect to a new wireless network. The good news is that Android remembers the settings, so you won't have to do repeat these changes whenever you reconnect to a known network.

 Changing your Android's DNS settings:

 
1.From the Android Menu home screen, tap Settings.
2.Tap Wi-Fi on the menu. The screen shown below appears, listing all of the networks your phone is able to discover.

 
 
 
3.Long press the Network you're connected to, and tap Modify Network.
 

4. On some devices, you may need to check the box for "Advanced" to see further settings. To adjust your Android DNS settings, you will need to switch the IP settings from DHCP to Static. Once changed, the menu will appear with the DNS settings available to edit. Don't worry about the editing the IP address as the Android device will fill in the IP address it has acquired through DHCP. Add our DNS resolvers (208.67.222.222 and 208.67.220.220) to the entries for DNS 1 and DNS 2 as shown below:
 

 
 
5. Save your settings.



That's it! You've updated your Android device's DNS servers!
 
415
Views

How to modify your dns records on your home routers |Generalized Router Configuration Instructions

leo posted the article • 0 comments • 415 views • 2019-09-11 11:50 • data from similar tags

Overview


In this article, we cover how to change the DNS servers on a router. The aim is to change the servers to use the OpenDNS IPv4 addresses 208.67.222.222 and 208.67.220.220.

Note:

While we have documentation for the most popular routers available here, we do not have the resources to list each single make and model of the router on the market. In general, the instructions below should suffice for most routers.

  Solution

 1. Open the preferences for your router.

Often, the preferences are set in your web browser, via a URL with numbers (example: http://192.168.0.1 or http://192.168.1.1). You may need a password.

If you're like us, and you set the router password long ago and cannot remember it now, you can often reset the password to the manufacturer default by pressing a button on the router itself.

Or preferences may be set via a specific application for your router, which you installed on your computer when you added the router.

 

2. Find the DNS server settings.

Scan for the letters DNS next to a field which allows two or three sets of numbers, each broken into four groups of one to three numbers. It might look like this:

 
 
 
3. Put in the OpenDNS server addresses as your DNS server settings and save/apply.

Please write down your current settings before entering the OpenDNS addresses, just in case.

208.67.222.222
208.67.220.220




4. Cache Flushing.

Once you have configured your DNS settings and saved them, we highly suggest that you flush your DNS resolver cache to ensure that your new DNS configuration settings take immediate effect.

 

5. Check your Settings.

Once you have configured your DNS, check the router has retained the settings.
  view all
Overview


In this article, we cover how to change the DNS servers on a router. The aim is to change the servers to use the OpenDNS IPv4 addresses 208.67.222.222 and 208.67.220.220.

Note:

While we have documentation for the most popular routers available here, we do not have the resources to list each single make and model of the router on the market. In general, the instructions below should suffice for most routers.

  Solution

 1. Open the preferences for your router.

Often, the preferences are set in your web browser, via a URL with numbers (example: http://192.168.0.1 or http://192.168.1.1). You may need a password.

If you're like us, and you set the router password long ago and cannot remember it now, you can often reset the password to the manufacturer default by pressing a button on the router itself.

Or preferences may be set via a specific application for your router, which you installed on your computer when you added the router.

 

2. Find the DNS server settings.

Scan for the letters DNS next to a field which allows two or three sets of numbers, each broken into four groups of one to three numbers. It might look like this:

 
 
 
3. Put in the OpenDNS server addresses as your DNS server settings and save/apply.

Please write down your current settings before entering the OpenDNS addresses, just in case.

208.67.222.222
208.67.220.220




4. Cache Flushing.

Once you have configured your DNS settings and saved them, we highly suggest that you flush your DNS resolver cache to ensure that your new DNS configuration settings take immediate effect.

 

5. Check your Settings.

Once you have configured your DNS, check the router has retained the settings.
 
554
Views

How to modify dns on your apple IOS 11 for OpenDNS

leo posted the article • 0 comments • 554 views • 2019-09-11 11:42 • data from similar tags

Overview


This Knowledge Base article will show you how to set up your IOS device in order to use OpenDNS.
Note:

These instructions only work for Wi-Fi connections because iOS does not allow you to change the DNS servers when connected to cellular networks. Also, the changes are network specific, so you'll need to change the DNS servers every time you connect to a new wireless network. The good news is that iOS remembers the settings, so you won't have to repeat these changes whenever you reconnect to a known network.

Also, this works the same on all iOS devices.
 
Changing your IOS device DNS settings:

 

1.From the IOS device home screen, tap Settings.
2.Tap Wi-Fi, ensure it is enabled and your wireless network is connected.
3.Click the blue symbol next to your wireless network, as shown below.
 

 
 
 
 
 
 
4.The screen shown below appears. Tap the Configure DNS field.

 
 
 
 
 
5. Ensure Manual is selected and delete the current DNS servers by tapping on the   symbol.

 
 
6.Tap Add Server and enter OpenDNS resolvers 208.67.222.222. Repeat this process to add another DNS server as follows 208.67.220.220, as shown below.

7.Tap Save to exit the menu.
 
 
 

 
 

That's it! You've updated your IOS device DNS servers! 
  view all
Overview


This Knowledge Base article will show you how to set up your IOS device in order to use OpenDNS.
Note:

These instructions only work for Wi-Fi connections because iOS does not allow you to change the DNS servers when connected to cellular networks. Also, the changes are network specific, so you'll need to change the DNS servers every time you connect to a new wireless network. The good news is that iOS remembers the settings, so you won't have to repeat these changes whenever you reconnect to a known network.

Also, this works the same on all iOS devices.
 
Changing your IOS device DNS settings:

 

1.From the IOS device home screen, tap Settings.
2.Tap Wi-Fi, ensure it is enabled and your wireless network is connected.
3.Click the blue symbol next to your wireless network, as shown below.
 

 
 
 
 
 
 
4.The screen shown below appears. Tap the Configure DNS field.

 
 
 
 
 
5. Ensure Manual is selected and delete the current DNS servers by tapping on the   symbol.

 
 
6.Tap Add Server and enter OpenDNS resolvers 208.67.222.222. Repeat this process to add another DNS server as follows 208.67.220.220, as shown below.

7.Tap Save to exit the menu.
 
 
 

 
 

That's it! You've updated your IOS device DNS servers! 
 
372
Views

How to Clear the DNS Cache on Browsers

leo posted the article • 0 comments • 372 views • 2019-09-11 11:33 • data from similar tags

If you have recently set up your filtering, or just changed a setting, a cache clear may be necessary before you see your filtering take effect.

The following tutorial provides instructions for clearing the DNS cache within common Internet browsers
 


Internet Explorer 8 and above (Windows)

Go to the History menu, select Delete Browsing History, check all boxes (except passwords, if desired) and click Delete.

Mozilla Firefox (Windows)

Click on Firefox at the top left of your browser, go to the History menu, select Clear Recent History and check all boxes. Under Time range to clear select Everything (except passwords, if desired) and click Clear Now.

Apple Safari (Mac)

Expand the Cog Icon in the upper right corner and select Reset Safari. Check all boxes and click Reset.

Apple Safari (Windows)

Go to the Safari menu, select Reset Safari, check all boxes and click Reset.

Google Chrome (Windows)

Expand the Wrench Icon in the upper right corner and select History and check all boxes. Under Clear data for this time period, select Everything(except passwords, if desired) and click Clear Browsing Data.

Google Chrome (Mac)

Under Go to the Chrome menu, select Clear Browsing Data and check all boxes (except passwords, if desired). Under Clear data for this time period, select Everything and click Clear Browsing Data.
  view all
If you have recently set up your filtering, or just changed a setting, a cache clear may be necessary before you see your filtering take effect.

The following tutorial provides instructions for clearing the DNS cache within common Internet browsers
 


Internet Explorer 8 and above (Windows)

Go to the History menu, select Delete Browsing History, check all boxes (except passwords, if desired) and click Delete.

Mozilla Firefox (Windows)

Click on Firefox at the top left of your browser, go to the History menu, select Clear Recent History and check all boxes. Under Time range to clear select Everything (except passwords, if desired) and click Clear Now.

Apple Safari (Mac)

Expand the Cog Icon in the upper right corner and select Reset Safari. Check all boxes and click Reset.

Apple Safari (Windows)

Go to the Safari menu, select Reset Safari, check all boxes and click Reset.

Google Chrome (Windows)

Expand the Wrench Icon in the upper right corner and select History and check all boxes. Under Clear data for this time period, select Everything(except passwords, if desired) and click Clear Browsing Data.

Google Chrome (Mac)

Under Go to the Chrome menu, select Clear Browsing Data and check all boxes (except passwords, if desired). Under Clear data for this time period, select Everything and click Clear Browsing Data.
 
360
Views

How to clear the DNS Cache on your linux system computers and laptops?

Britt Maree posted the article • 0 comments • 360 views • 2019-09-11 11:29 • data from similar tags

Linux (most distributions)

 

Open a terminal window (gnome-terminal, konsole, xterm, etc)

sudo /etc/init.d/nscd restart

   or

sudo /etc/init.d/nscd restart
 
 
Ubuntu Linux

 

Open a terminal window

     Run the following command in the command line and hit enter view all
Linux (most distributions)

 

Open a terminal window (gnome-terminal, konsole, xterm, etc)

sudo /etc/init.d/nscd restart

   or

sudo /etc/init.d/nscd restart
 
 
Ubuntu Linux

 

Open a terminal window

     Run the following command in the command line and hit enter
374
Views

How to clear the DNS Cache on your windows system computers and laptops?

Britt Maree posted the article • 0 comments • 374 views • 2019-09-11 11:27 • data from similar tags

Windows 7 and Earlier

 

Click the Start Menu
Go to All Programs
Choose Accessories and right-click Command Prompt
Choose Run as Administrator

     Run the following command in the command line and hit enter

ipconfig /flushdns

 

Windows 8

 

Press the Windows Key or hover your mouse over the bottom left corner and click the Windows Icon
Begin typing Command Prompt
Right-click the application and select Run as Administrator

     Run the following command in the command line and hit enter

ipconfig /flushdns view all
Windows 7 and Earlier

 

Click the Start Menu
Go to All Programs
Choose Accessories and right-click Command Prompt
Choose Run as Administrator

     Run the following command in the command line and hit enter

ipconfig /flushdns

 

Windows 8

 

Press the Windows Key or hover your mouse over the bottom left corner and click the Windows Icon
Begin typing Command Prompt
Right-click the application and select Run as Administrator

     Run the following command in the command line and hit enter

ipconfig /flushdns
392
Views

How to clear the DNS Cache on your macOS?

Britt Maree posted the article • 0 comments • 392 views • 2019-09-11 11:23 • data from similar tags

Overview 
 
This article provides instructions on how to clear the DNS Cache on a computers and web browsers. This procedure is necessary in order for previously cached resolutions to be cleared out and subsequent lookup to be performed based on newly configured DNS settings.

 

OS X 10.4 TIGER

 

Click the Terminal icon in the dock or in Finder under Application/Utilities/Terminal

     Run the following command in the command line and hit enter
 
lookupd -flushcache

 
 

OS X 10.5 and 10.6 LEOPARD

 

Click the Terminal icon in the dock or in Finder under Application/Utilities/Terminal

     Run the following command in the command line and hit enter

dscacheutil -flushcache

  

OS X 10.7 and 10.8 Lion

 

Click the Terminal icon in the dock or in Finder under Application/Utilities/Terminal


sudo killall -HUP mDNSResponder

 


 

OS X 10.9 and 10.10.4 Yosemite, 10.11 El Capitan and 10.12 Sierra

 

Click the Terminal icon in the dock or in Finder under Application/Utilities/Terminal




sudo dscacheutil -flushcache

sudo killall -HUP mDNSResponder


  view all
Overview 
 
This article provides instructions on how to clear the DNS Cache on a computers and web browsers. This procedure is necessary in order for previously cached resolutions to be cleared out and subsequent lookup to be performed based on newly configured DNS settings.

 

OS X 10.4 TIGER

 

Click the Terminal icon in the dock or in Finder under Application/Utilities/Terminal

     Run the following command in the command line and hit enter
 
lookupd -flushcache

 
 

OS X 10.5 and 10.6 LEOPARD

 

Click the Terminal icon in the dock or in Finder under Application/Utilities/Terminal

     Run the following command in the command line and hit enter

dscacheutil -flushcache

  

OS X 10.7 and 10.8 Lion

 

Click the Terminal icon in the dock or in Finder under Application/Utilities/Terminal


sudo killall -HUP mDNSResponder

 


 

OS X 10.9 and 10.10.4 Yosemite, 10.11 El Capitan and 10.12 Sierra


 

Click the Terminal icon in the dock or in Finder under Application/Utilities/Terminal




sudo dscacheutil -flushcache

sudo killall -HUP mDNSResponder


 
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How to modify your DNS on mac OSX Mojave and El Capitan 2020

Britt Maree posted the article • 0 comments • 406 views • 2019-09-11 11:19 • data from similar tags

From this tutorial, you will learn how to modify your dns on your macOS. 
 

Tools:
Mac laptop
 
 1. Go to your mac os System Preferences option, click the apple icon on the top left screen .
 

 
2.  Click on Network
 

 
3. Select the first connection in your list and click Advanced
 

 
 
 
 
 
4. Select the DNS tab and add 208.67.222.222 and 208.67.220.220 to the list of DNS servers. Click OK
 

 
5. cache and web browser caches to ensure that your new DNS configuration settings take immediate effect.



At the point, we highly suggest that you flush your DNS resolver cache and web browser caches to ensure that your new DNS configuration settings take immediate effect.
 
Video Instruction:
 
 





  view all
From this tutorial, you will learn how to modify your dns on your macOS. 
 

Tools:
Mac laptop
 
 1. Go to your mac os System Preferences option, click the apple icon on the top left screen .
 

 
2.  Click on Network
 

 
3. Select the first connection in your list and click Advanced
 

 
 
 
 
 
4. Select the DNS tab and add 208.67.222.222 and 208.67.220.220 to the list of DNS servers. Click OK
 

 
5. cache and web browser caches to ensure that your new DNS configuration settings take immediate effect.



At the point, we highly suggest that you flush your DNS resolver cache and web browser caches to ensure that your new DNS configuration settings take immediate effect.

 
Video Instruction: