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Blockchain wallet

Blockchain provides secure wallet to its users with options to do transactions. After a year, you are able to buy bitcoin with debit or credit cards as well as bank transfer.

Whereas, blockchain is an online wallet that allows the people to do transactions anywhere in the world. It is like get set go to transactions. Accordingly, users of this technology want to stay up to date with this network. Which is strongly protected by the cryptography.

This wallet is just like your local bank account. Where you have the authority to save money or spend it in different ways. In the same way, you have to open an account with blockchain. where with complete authority you will be able to store your bitcoin.

Furthermore, you are free to convert your bitcoin to the cash for the sake of payments. The process of creating an account with blockchain will take few minutes.

Funding in blockchain and Peter Smith’s statements

CEO of the blockchain Peter Smith says, “This announcement represents a giant step forward in making bitcoin, still a nascent currency, a more compelling and efficient financial solution for new users.”

Furthermore, the blockchain is the world’s most famous funding startups with $30.5 million in 2014. Whereas, the wallet has nearing 10 million users. Company claims about, “The world’s biggest provider of digital wallets for bitcoin, with over 50% market share. Over 150,000 transactions a day on average.” And android version downloaded 500,000 to 1 million times.

Now, we are going to discuss blockchain wallets in detail.

Steps to make an account on blockchain

  1. when you have done with your verification to make an account then look up your new wallet dashboard.
  2. when you have done with your verification to make an account then look up your new wallet dashboard.
  3. Open a website of blockchain info to read some information about the blockchain wallet.Blockchain wallet
    1. when you visit blockchain website, click the button create the account.

    Blockchain wallet

    1. Here, you need to download the registration form. It will ask some verifications regarding your email address. Then, in that scenario, you have to use your email id and create a strong password. Accordingly, use the password consist 16 words including letters, digits or characters.

    Blockchain wallet

  1. when you have done with your verification to make an account then look up your new wallet dashboard.

Blockchain wallet

Here, you have blockchain wallet account with 0 BTC. Here, you have complete authority to in-cash your BTCs.

5. Verify your email id associated with your wallet. And login with new blockchain wallet.

Blockchain wallet Blockchain wallet

  1. Now, you have to secure your wallet. where get your back up phrase, enter your mobile number and blocking IP that suspects to be part of anonymous from the network.

Blockchain wallet

Blockchain wallet

Blockchain wallet services

Here, we are going to know about services of the blockchain programmatically. Few of the content of services are given below.

Getting started

If you are using this API, you need to must run the local service, doesn’t matter it is small. wallet. In addition, your service and application is connecting via API. Here, you have to complete some steps, are;

  • follow the installation instruction and completes it
  • start the server; $ blockchain-wallet-service start –port 3000
  • start interacting with your wallet pragmatically

Your application and wallet service is running locally on the same machine. Moreover, except localhost. Therefore, make you sure the appropriate rules to prevent authorize use. If you want to accept this service an external connection.

You need an API code for higher request limits and wallet creation.

Upgrading

You have to complete the requirements of the site if you already use blockchain info’s wallet API. In addition, replace calls to blockchain.info/merchant/… with localhost:<port>/merchant/….

API Documentation

New blockchain wallet

This method is used to create an account through blockchain info, here is an example;

localhost:3000/API/v2/create
utilize the method of POST or GET

Password: New Password must contain 10 characters.

API_code: An API code with creating wallets permission.

Preview: A private key is optionally add to the wallet.

Label:  Label is set first address in wallet ,which is optional

Email:

creating an email address with this wallet on the behalf of. optional

create wallets with the permission from create and code.

Blockchain wallet

Your payments

Parameters:

  •  required bitcoin address
  • the amount must be in Satoshi
  •  your wallet password
  •  in case of second wallet, required wallet password.
  •  API code is optional
  •  bitcoin address or account index is optional
  • the fee may or may not in Satoshi, is optional

 

 

Blockchain wallet

Send it to Many

Parameters:

  •  bitcoin address as keys and Satoshi amounts as value are required.
  •  required main wallet address
  • your second address is required
  •  wallet API code is optional
  •  bitcoin address or account index is optional
  • the fee may or may not in Satoshi, is optional

Blockchain wallet

Blockchain wallet

Fetch Wallet Balance

Parameters:

  •  main  wallet address is required
  •  API code is required

Sample,

Blockchain wallet

List Addresses

Parameters:

  •  required main wallet address
  •  API code is optional

Sample,

Blockchain wallet

Fetch Address Balance

Parameters:

  • requird address to fetch balance
  • required main wallet password
  •  API wallet code is optional.

Furthermore, there is no confirmation parameter.

Sample,

Blockchain wallet

Generate Address

Parameters:

  •  required main wallet password
  •  label to give an address is optional
  •  API code is optional

Sample,

Blockchain wallet

Archive Address

Parameters:

  •  required an address to archive
  • required your main wallet password
  • API code of wallet is optional

Sample ,

Blockchain wallet

Unarchive Address

Parameters:

  • required an address to unarchive
  •  required main wallet password
  •  API code of the wallet is optional here.

Sample ,

Blockchain wallet

Enable HD Functionality

Parameters:

  • required your main wallet address
  • API code is optional

These wallets allow the use of accounts.

List Active HD Accounts

Parameters:

  • main wallet password is required
  • API code is optional

List  xPubs

Parameters:

  •  main wallet password is required
  •  API code is optional here

 New HD Account

Parameters:

  •  its optional when you are labeling to assign to the newly created account
  • required main wallet password
  •  API is optional here

Get Single Account

Parameters:

  •  required main wallet password
  •  API wallet code is optional

 HD Account Receiving Address

Parameters:

  •  required main wallet address
  • API wallet code is optional

Check account’s balance

Parameters:

  •  main wallet password is required
  • API code is optional

Archive  Account

Parameters:

  • required main wallet password
  • API wallet code is optional

Unarchive  Account

Parameters:

  • the main password is required
  •  API wallet code is optional

RPC

starting RPC server which is bitcoin-compatible RPC API. Whereas, blockchain wallet service start RPC, In addition, RPCssl is not supported and different from server API

 

  • .this method does not support the listsin block
  •  list received by the address and param min confirmation is not supported for methods
  •  This confirmation not supported to get balance
  • list accounts don’t have support from the method.
  •  transactions have a different format

Installation

Nodejs and npm are required to install and use this API service. Installation:  by using this API service, Nodejs and npm are needed to install. Moreover, you need to make sure that you are using the latest version.

 check your version:

blockchain service V

update the latest version:

npm update -g

Requires:

  • node >= 0.12.0
  • npm >= 2.12.0, < 3.0.0

some troubleshooting is given below, during the installation.

Troubleshooting

following are few installation error .if you find some error in installation use sudo command for installation

Startup

if your node is installed with different name, then creat a symlink to your binary. In addition , install node through node version manager.

Runtime

  •  it may show the arror of not method compare. whether, it is because of old versiom , in that scenerio , update your version
  •  and , if you do not install jawa , you may face the wallet decryption error.

Timeout

  •  when you are using un recognize browser or IP address , you may get time out response. In addition, authorization from your blockchain wallet may be required.

Usage

Once installation is complete, you are free to use blockchain service

claim 

  •  h-help
  •  V- version number output
  •  c- currency directory as wallet service moduale.

Commands

this command will start service efficiently to make blockchain wallet APIV2 on a specific port.

Command options

h-help

p-to run the server, you needs the port number

b-bind

ssl- it’s optional the path to your key

ssl-cert – SSL get certificate

bind to 0000, to open service for all incoming connections

RPC- start 

this command will start JSON RPC server.

command option

k- for server request use API

P-RPC server port

b-bind to an ip

e.g.

start service on 3000 port, start wallet API

Development

  1. Clone
  2. Run and install npm
  3. start npm
  4.  the development server is running on 3000 port

this is useful to create a symlink to my wallet V3, especially when you are developing blockchain wallet client alongside

Test

Test: npm

composition 

these  parameters may be configured in

  •   running server default is 3000
  •  ip address to bind and the default is 127.0.0.1

 Deployment

Furthermore, if you use blockchain service in UNIX server. you just need to run “nohup, blockchain wallet service with port 3000.

 

Good luck!

 

 

 

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What Are the Best Bitcoin Escrow Services In 2017?

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Best Bitcoin Escrow Services

Using third-party services for bitcoin transactions is a great idea, especially for LocalBitcoins users. This is because these types of transactions take place between two untrusted parties. So, you never know when a seemingly simple transaction could turn into an ordeal.

To avoid any unfortunate incident, we advise you to transact bitcoins via escrow service. The escrow service protects users from scams and makes sure that the transactions are taking place in a safer environment.

Learn about the most common Bitcoin scams and how to avoid them.

In case there is a dispute, the escrow service would act as an arbitrator and determine who the funds actually belong to.

Many Bitcoin marketplaces (BitPremier, CryptoThrift, Local Bitcoins, etc.) come with a built-in escrow service. However, if the marketplace through which you are making a transaction doesn’t provide one, then consider the ones discussed below.

Best Bitcoin Escrow Services:

Here are some of the best Bitcoin escrow services to trade your coins.

BTCrow:

BTCrow was established in 2011 and is one of the oldest escrow services out there. Although, the only long-lived solution, BTCrow isn’t that reliable. There have been many complaints regarding delayed payments and system’s response. For example, a user once made a transaction through this service but didn’t receive the payment for a good while. Even after contacting BTCrow support, it took around 12 hours to release the payment which was $7,500 USD. This is way too much for a transaction involving this much money.

Escrow My Bits:

Established just two years ago, “Escrow My Bits” has gone on to become one of the go-to names for Bitcoin users. The site offers a wide variety of services to escrow bitcoin, including:

Regular Escrow:

The site provides the user with a Bitcoin wallet address and asks them to deposit funds in the account. These funds are then forwarded to offline wallets (cold storage) which is one of the most advanced forms of wallet security.

Regular Escrow Pegged to Traditional Value:

The coins are deposited into an account controlled by the site. After the deposit, the coins are pegged to conventional value.

Multi-Signature Escrow:

This service secures your funds through a multi-signature transaction. The funds cannot be withdrawn unless all the signatures are accurately provided. The site holds only one of your private keys.

Multi-Signature Escrow Pegged to A Fiat Value:

Similar to the one mentioned earlier, your funds are kept in a secure multi-signature transaction using “Nubits” or “Omni” to peg the value.

The primary advantage of Escrow My Bits is that if a transaction takes longer than expected, you can still peg it to the fiat currency without the exchange rates affecting you.

The site deducts 1% per transaction in service charges.

Bitrate:

A Bitcoin escrow service which comes with the multi-signature feature. Bitrate is more like a multi-signature wallet.

A multi-signature bitcoin wallet is a wallet which can have multiple owners. To complete a transaction, these wallets require the signatures of involved parties. For example, if a wallet is shared by three individuals and two of those three decide to make a transaction, the order is executed.

The biggest advantage of Bitrate is that the site itself doesn’t hold the private key so it cannot steal your funds.

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Bitcoin Cash Down By 42% In Single Day – Will It Recover?

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Out of 10 biggest cryptos, Bitcoin Cash took the biggest hit on Friday as its value dropped by ~42% in one day.

Over the previous week, the South Korean crypto market‘s Bitcoin Cash frenzy and the reconciliation of BCH on the CoinBase and its digital currency exchange GDAX prompted a meteoric boost in the value of Bitcoin Cash.

Within seven days, the cost of Bitcoin Cash surged from $1,760 to $4,300, increasing by more than 144 percent.

As allegations against Coinbase’s potential insider exchanging of Bitcoin Cash rose, the cost of Bitcoin Cash encountered a minor revision, from $3,500 to $3,300. Still, a couple of hours later, the cost of Bitcoin Cash crested at $4,300, because of the rising interest for the crypto in South Korea.

For a concise timeframe, CoinBase and GDAX suspended Bitcoin Cash exchanging given its unforeseen unpredictability and suspicious value development of BCH before the coordination of Bitcoin Cash by CoinBase and GDAX. CoinBase CEO Brian Armstrong composed:

“I take the confidentiality of non-public data very seriously as CEO. Given the cost increment in the hours driving up the announcement, we will lead an investigation regarding this issue. If we discover confirmation of any worker or contractual worker damaging our arrangements — directly or indirectly — I won’t falter to fire the person quickly and make a legal move.”

So, Is BCH Going To Recover?

The latest slump in the cost of BCH isn’t just specific to BCH. Each and every digital currency in the market, from the biggest to top 100 have fallen in value. Bitcoin, Ethereum, Litecoin, Ripple, Monero, and IOTA have recorded more than 30 percent slump in cost in the course of recent hours.

Thus, the cost of Bitcoin Cash will probably recoup if the crypto market can recuperate quickly. Throughout 2017, the whole digital money market had not encountered a hit of this size in which each cryptocurrency in the market was influenced.

However, experts have noticed that the current cost adjustment of crypto money was essential, given the exponential increment in value and market valuation of cryptographic money since January 1.

Story Credit: ccn.com

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A Blockchain Based Real Estate Platform Goes Live In The US

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ShelterZoom, an Ethereum blockchain-based online platform for the real estate, has gone live in the U.S., with worldwide markets to go live in the first quarter of 2018.

New York City-based Cyrus Charter, the first customer on the platform, is in the midst of an initial test for the ShelterZoom stage that started in November. What’s more, 10 clients have started a beta test. The organization recently announced its first WordPress real estate theme affiliate, Estalik, and its first Australian organization, Arena Property Agents.

ShelterZoom is intended to streamline the way toward making and accepting real estate sales offers, decreasing printed material and enhancing the transparency of purchasing and selling. The framework has been worked to the Real Estate Standards Organization principles.

The ShelterZoom online incorporates a dashboard, the Offer NOW gadget, and a portable application which is accessible on Google Play and iTunes, empowering buyers and specialists to instantly submit offers from online real estate listings with only a couple of clicks or taps.

Sign Ups Are Being Accepted:

The site is now allowing sign-ups for the Offer NOW gadget, which can be coordinated with any affiliate site including real estate listings with a couple of lines of code, at no cost to the sign-ups before Jan. 31, 2018.

ShelterZoom charges $8 for each offer submission following the free beta timeframe finishing by Feb. 28, 2018.

“ShelterZoom is well positioned to bring the whole real estate industry onto it,” said Chao Cheng-Shorland, prime supporter, and executive. The gadgets can be received by any real estate site. Cheng-Shorland drives the multi-national team alongside fellow benefactor and chief Amir Allen Alishahi.

“Standardized, straightforward, and secure offers are the eventual fate of the business,” Cheng-Shorland included.

Versatile Dashboard:

Clients can track, accept, reject or counter offers progressively, while purchasers and operators can track offer statuses on their ShelterZoom dashboards. All parties to an exchange can get push or text notifications all through the procedure and chat with each other.

“We will see quick adoption of blockchain technology by commercial centers, associations, and whole enterprises,” said Sergey Fradkov, ShelterZoom technical advisor. “Blockchain and related digital money usage will empower new plans of action and streamline collaborations between members. They will likewise empower new members to rapidly build up themselves in the business fragments and create numerous new business opportunities.”

Canada, Australia, Europe, and countries in the Middle East are set to go live on the platform in the first quarter of 2018.

Story credits: ccn.com

Image: Google images

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bitcoin-1MB block is dangerous

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1MB block is dangerous to Bitcoin

04.07.2017, Barry’s Silbert’s New York agreement receive a new criticism in form of blog from Luke-jr. well-known Bitcoin core developer.

This post came before SegWit2x’ day- the code that carries the roadmap settled upon at Barry’s meeting-entered beta phase.

He says about the Bitcoin’s future with SegWit2x’s. “4–8MB block sizes are not sane. Even 1MB blocks are already clearly dangerous to Bitcoin.” In addition, “I cannot foresee myself consenting to the hard fork proposal under almost any circumstances, except perhaps with a soft fork to limit the size to something reasonable.”

By adding the whole SegWit2x phenomenon, Luke-jr is another source of criticism. He adds, “distraction from the upcoming BIP148 soft Fork, which is already irreversibly deployed to the network.”

Barry’s had hard struggle from the beginning. Accordingly, he also contributes in the meeting, especially Roger Ver showing the sign of U-turn.

The concluded word

Luke-jr was cautious to note any SegWit2x scheming would likely initiate and finished with NYA Bitmain participant. In that scenario, he comes to and ends with the point, “I don’t mean to imply that all the participants to the NYA have this goal [distraction from BIP148] in mind! But rather that the design of SegWit2x is such that it fits this purpose.” In addition,“Bitmain may very well have done this intentionally. but it seems unlikely anyone else intended it.”

Complete detail is available on Twitter,

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Buying Bitcoins with PayPal through Paxful and Cryptonit

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Paxful and Cryponit are two of the best platforms to buy Bitcoin with PayPal. The process of buying Bitcoin with Paypal through Paxful and Cryptonit is almost similar to buying from LocalBitcoins. LocalBitcoins is a platform for purchasing/selling bitcoins with the lowest exchange rates and reliable users.

 

Buying Bitcoins with PayPal through Paxful and Cryptonit

 

The sellers have to pay a 1% commission fees to the platform that facilitates this exchange.

Like other P2P platforms, it follows a set of sales rules as well but, if you have a good user reputation, these requirements are lower.

Before you purchase anything, it’s better to make sure that the user has good reviews from other buyers.

The process of buying Paxful bitcoins is simple:

  1. Create an account
  2. Choose your amount and a payment method
  3. Select your seller- You can choose one yourself or let Paxfuldecide the best one for you.

Next, you’ll be sent to an online chat room with the seller to finalize your deal. The seller’s bitcoins are sent to Escrow and soon after you mark that the payment has been made, the bitcoins are released into your account. However, you must seal the deal within the time limit given or it is auto-canceled.

Buy Bitcoins With PayPal Through Cryptonit:

Cryptonit is another platform that enables you to buy Bitcoin with PayPal instantly. Cryptonit is a UK-based company and was founded in 2012. It is a cryptocurrency exchange that allows you to deposit money using PayPal, Visa/MasterCard, Skrill Western Union, MoneyGram, and many other options.

However, it requires a verification process in order to qualify for PayPal deposit to buy bitcoins.

The steps following the process are:

  • A copy of the government issued photo id.
  • An address verification document such as utility bill or rental agreement.
  • A photo of you holding these documents/ skype video call with someone from Cryptonit.

Verification will take around 12 hours on weekdays. After it is completed, just go to the “trade” tab, choose the suitable currency pair, and enter how much you want to buy.

Buying Bitcoins with PayPal through Paxful and Cryptonit

Final Word:

All in all, Cryptonit is a trustworthy option. It offers a safe environment so that you can serve your needs and minimize the risk of theft.

Please take a look at the following infographic for a better understanding.

 

 

 

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