Trio best bitcoin app SDK ter 2018: review and samples

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Bitcoin nowadays is not only a cryptocurrency or a digital payment system. Actually, thanks to its unique features bitcoin has become a real muziekinstrument for investment, saving and even earning more money. Te this article wij want to talk about Three most speelgoedpop ular bitcoin app SDK , that can help you to develop your own app.

Thank their functionality you can create bitcoin wallet, a contraption for investors, bitcoin spel or any other app connected with this cryptocurrency. Also to check the popularity of analyzed SDKs our team of mobile app developers created three real examples of bitcoin wallets. See them below

From Two.9 to Five.8 million people use cryptocurrency wallets ter 2018, most of them work with bitcoins.

Research by Cambridge University

Blockchain (BC)

Blockchain is regarded spil the most popular bitcoin wallet ter the world. Nowadays more than 14 million wallets are registered te BC worldwide. Moreover, Blockchain has a total stack of free APIs for developers, so wij begin our analysis with it.

Supported platforms: Android, iOS, Windows, Mac OS, Linux

Blockchain is very popular service. It supports many programming languages te form of libraries for its API (Python, Java, Netwerken, Ruby, PHP, Knot etc.).

Service uses two different API key s :

  • Receive Payments V2 API KEY: an effortless way for websites to receive payments ter bitcoins. This option is totally free and safe. It is ideal for business and private using.
  • Blockchain Wallet API KEY: total access to all functions of this service like creating a wallet, making payments, sending transactions, address management and so on.

To receive any of the keys one vereiste request API from BC. The application contains a name of person/organization, e-mail, and URL of the webstek or app.

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This process is supposed to exclude different ways of fraud or using keys for unfair purposes. So that ter the request you should also describe what are you going to use Blockchain service for. Requests for API keys usually are accepted or denied within 2-3 business days.

Blockchain has its own clients (apps) for Android and iOS. Those are very successful. For example, Blockchain’s Bitcoin Wallet wasgoed downloaded more than million times on Google Play. Besides Fresh York Times and the Wall Street Journal waterput it amongst the world’s most popular bitcoin wallets.

On GitHub, you can find our sample app based on Blockchain API. It is using Java library from Blockchain.

The application has two main functions:

BitcoinJ

BitcoinJ SDK is cross-platform SDK (Java, JavaScript) for working with Bitcoin system. Written by Mike Hearn, BitCoinJ is more lightweight and accessible version of the original Bitcoin client. The project has utter documentation, which permitted many large Bitcoin apps and services to use this SDK.

Supported platforms: Windows, Android

BitcoinJ is implemented te Java but can be used from any JVM-compatible language, including C++, JavaScript, Ruby, Python, and others.

This SDK permits users to work with TestNet3 (official bitcoin test network), MainNet (original and main network for Bitcoin transactions) and also to set up a private server.

BitcoinJ doesn’t require registration because te this case bitcoin wallet is created on the device. So that it doesn’t need consumers’ private information (private key) and therefore SDK is very safe.

BitcoinJ has very rich functionality. It includes creating a fresh wallet with password encryption, working with existing wallet, checking balance, sending and receiving bitcoins. Also, this SDK can provide developers with needed instruments for exchange rate conversion, encryption, possibility to get a loterijlot of information about transactions, to get unconfirmed transactions, to customize the process of confirming transactions etc.

Service has own SPV mode. It enables users to download only part of bitcoin blockchains and work with it. Spil a result, users don’t have to download utter blockchain. This is very comfy for mobile devices because utter blockchain size reached 100GB ter December 2016 and it doubles te size every year.

BitcoinJ SDK has its own open-source application. Based on it Bitcoin Wallet now has overheen 1 million downloads on Google Play.

On GitHub, you can find our sample app based on BitcoinJ SDK. The application works with test network TestNet3 and contains numerous features:

  • Create a wallet
  • Check balance
  • Receive and send transactions
  • Free test bitcoins
  • Generate your wallet address QR code
  • Scan recipient’s wallet address QR code

The example uses extra libraries like Android Annotations, QRGen, and Zxing.

Note: When you launch application very first time it may take up to 15 minutes, but it happens only once. So be patient and drink some tea or coffee meantime.

Coinbase

Coinbase SDK is cross-platform SDK (Java) for working with bitcoin system. Also, this name stays for American digital asset exchange company. Coinbase operates exchanges of digital assets with fiat currencies ter 32 countries, and bitcoin transactions and storage ter 190 countries worldwide.

Supported platforms: Android, iOS

Official Coinbase libraries include Java, Ruby, Python, Knot.js, and PHP.

This SDK enables users to get information about the current exchange rate of bitcoin (and history of its switches) or other currencies without registration.

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Two methods are used ter Coinbase for authentication:

  • API KEY. Can be created and activated ter your API settings on the webstek. Ter this case, you can access your own account or merchant orders only,
  • Redirect to the official webpagina using OAuth token. This method permits users to access their individual accounts and manage wallets and works well for mobile apps.

After registration is ended all types of operations can be performed including buying and selling bitcoins for other currencies, sending transactions etc. However some functionality is limited and wouldn’t work te all countries.

Coinbase has official apps on Google Play and iOS. Its Bitcoin Wallet for Android has now overheen million downloads what brings it into tops of similar apps.

By the way, Coinbase permits users to work not only with bitcoins but also with other cryptocurrencies like ethereum and litecoin.

Our sample application on Github is using the Coinbase Android SDK. The app works with official Coinbase Wallet and contains next features:

  • Authorization
  • Check balance
  • Send and receive bitcoins
  • Current exchange rate of bitcoin
  • Currency/bitcoin exchange rates rekenmachine

This sample app also uses RxAndroid library.

54% of Coinbase clients use bitcoin stringently spil an investment.

SDK Feature Comparison

Wij determined to sum up the possibilities of SDK named above. Spil wij can see from our spreadsheet the functionality is almost the same, however, there are some differences.

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