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Blockchain Ios Sdk

3 Best Bitcoin App Sdk For Ios And Android With Samples

3 Best Bitcoin App Sdk For Ios And Android With Samples

Bitcoin nowadays is not only a cryptocurrency or a digital payment system. Actually, thanks to its unique features bitcoin has become a real instrument for investment, saving and even earning more money. In this article we want to talk about 3 most popular bitcoin appSDK, that can help you to develop your own app. Thank their functionality you can create bitcoin wallet, a tool for investors, bitcoin game 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 2.9 to 5.8 million people use cryptocurrency wallets in 2017, most of them work with bitcoins. Blockchain is regarded as the most popular bitcoin wallet in the world. Nowadays more than 14 million wallets are registered in BC worldwide. Moreover, Blockchain has a full stack of free APIs for developers, so we start our analysis with it. Supported platforms: Android, iOS, Windows, Mac OS, Linux Blockchain is very popular service. It supports many programming languages in form of libraries for its API (Python, Java, NET, Ruby, PHP, Node etc.). Receive Payments V2 API KEY: an easy way for websites to receive payments in bitcoins. This option is completely free and safe. It is ideal for business and personal using. Blockchain Wallet API KEY: full 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 must request API from BC. The application contains a name of person/organization, e-mail, and URL of the website or app. Post a project or a job and get estimations and offers from developers This process is supposed to exclude different ways of fraud or using keys for unfa Continue reading >>

Ethereum On A Iphone Decentralize Today

Ethereum On A Iphone Decentralize Today

Getting started with Ethereum apps on iOS There is no installation package, build by the Ethereum community, ready for the iOS. But in a way it is possible to build something. Let us start with the Ethereum client architecture to see what we have. Ethereum is an example of a very fast growing blockchain implementation. Actually, Ethereum has surpassed Bitcoin in amount of nodes in the public network, at this writing moment, see the current number of nodes . Ethereum is a cryptocurrency. Ether is the currency. Ethereum was created as a clone of the Bitcoin core, having its own blockchain network - a public, distributed ledger. The Ethereum network is called P2P Wire Protocol Network. The most exceptional: Ethereum has a whole programing platform on top of its cryptocurrency, implemented in every client. The programs are called DApps, Decentralized Applications. People are doing things in Ethereum that are not possible right now in Bitcoin. It has created a new generation of developers which never worked with Bitcoin but are interested in Ethereum. See story from Coinbase . What is very real, though, is the possibility that Ethereum blows past Bitcoin entirely. See r3cev.com/blog/2016/5/29 Every node in the network is called a Ethereum Client and it has nothing to do with a client-server architecture. There are only clients nodes in the Ethereum network. Where the Bitcoin blockchain distinguish between a full-node, having a full copy of all transactions, and a lightweight node, having only what is needed for a wallet, the Ethereum has only full-nodes. But there is being working on a lightweight node, see what-should-i-install-on-a-mobile-tablet . Meaning, we must wait on the official Light Client for the mobile devices. While we are waiting on a lightweight solution for Continue reading >>

Sdk Developer Blockchain And Data Services

Sdk Developer Blockchain And Data Services

SDK Developer Blockchain and Data Services SDK Developer Blockchain and Data Services Our client is a disruptive and innovative product provider in data services. They are seeking a mobile and IoT SDK Developer to be part of their growing and dynamic team in Singapore. You will build the companies SDK which will be used to integrate with other IoT platforms for data services. This role offers tremendous opportunities in career growth and unparalleled exposure to a variety of technologies and exciting end to end projects. You will thrive in this environment if you are autonomous, curious, and passionate about App Development Design and build a hybrid iOS and Android SDK Be the product owner of all SDK projects Produce ultra clean, stable, usability rich, and well documented code Collaborate with cross-functional teams to analyze, design, and ship new features Work closely with development teams to integrate the SDK with other platforms Write applications using responsive design to function across multiple devices. Improve code in response to client feedback Be a technical thought leader on utilization of the SDKs Minimum 4 years of experience writing code for iOS/Android apps in React Native, or AngularJS Experience with building a proprietary SDK or experience in customising existing SDKs Good understanding of location based data Knowledge of Android SDK, iOS Eclipse, Android Studio and/or appropriate equipment and software. Working knowledge of Web Services & REST (JSON) APIs. Working knowledge of AWS services including Kinesis, S3, etc Experience with Blockchain / Solidity / Smart Contract Development is a plus for this Experience of IoT platforms is a plus for this Have contributed to Open Source projects in the past Excellent verbal and written communication skills Continue reading >>

11 Blockchain Api Providers That Are Allowing Developers To Build Next-generation Applications

11 Blockchain Api Providers That Are Allowing Developers To Build Next-generation Applications

11 Blockchain API Providers That Are Allowing Developers to Build Next-Generation Applications APIs can be fairly called a force that powers innovative solutions bright entrepreneurs come up with in FinTech and beyond. APIs significantly ease and speed up innovation across industries as they allow businesses to not start from scratch and focus on improving the service instead of building the back-end that powers it. Probably, the vast majority of FinTech companies nowadays are either using APIs or moving towards implementation. The LTP team has covered a wide array of insanely useful APIs startups can access right now to enhance their operations and services. Another technology that seems to be gaining extraordinary momentum is blockchain . Needless to say, 2016 will be the year of distributed ledger technology application across industries with financial services probably being the one the most transformed by blockchain. At the crossroads of APIs and blockchain, there are players that seek to empower startups and developers interested in the implementation of distributed ledger technology. Lets look at some of the companies offering blockchain APIs for developers and enterprises for building the next generation of applications and providing access to vast market data. ChromaWay offers CromaWallet API and ChromaNode. ChromaNode is a high-performance open-source bitcoin data API which enables SPV and supports notifications via the WebSocket protocol. It indexes the bitcoin blockchain and provides data to clients. In particular, it sends notifications about transactions and confirmations (blocks). ChromaNode is built with a scalable architecture allowing a distributed configuration where several servers cooperate to serve the data. Bitcore is a full bitcoin node allowing Continue reading >>

Blockchain Programming Inios

Blockchain Programming Inios

UPDATE: I am proud to announce that my new course Blockchain Programming in iOS Using Swift is now available. Enroll now for only $10.99. Blockchain is the technology behind popular cryptocurrencies including Bitcoin. The main concept behind Blockchain is to provide a distributed ledger which is not controlled by one central party. In this post I will show you how you can use iOS/MacOS to create a very basic Blockchain in Swift language. NOTE: This post does not cover nodes/peers, validation, rewards etc. The quickest and the easiest way to to get started is by using Swift Playgrounds. For this particular demo, I used macOS Playgrounds since it has some useful functions for generate SHA hash. The first step is to implement the Block class which will represent a single block in a.. blockchain. The implementation is shown below: The details of the Block class is shown below: index The position of block in the blockchain. Index of 0 means that the block is the first block in the blockchain. Index of 1 means it is the second block in the blockchain.. you get the idea right! dateCreated The date when the block was created previousHash The hash value of the previous block nonce Auto incremented number which plays an important role for mining the hash data Any valuable asset. This can be money, medical information, real estate information etc key This is a computed property which is passed to the hashed function The Blockchain class requires an instance of a block to initialize itself. This block is also known as genesis block, since it is the first block in the block chain. The implementation of Blockchain class is shown below: The addBlock function adds the block to the blockchain. The next block is based on the previous blocks hash, which is one of the properties used by t Continue reading >>

Building A Blockchain Based Application

Building A Blockchain Based Application

Blockchain Tsar & Senior Javascript Practitioner at Industrie&Co. This image doesnt mean anything, its just there because someone said people are more inclined to read stories with headerimages. When Bitcoin emerged as the first Blockchain application most people missed the significance of the Blockchain itself, preferring to focus on Bitcoin; a classic case of missing the forest by focussing on the trees. In reality Bitcoin is an almost trivial use of a Blockchain. Its the concept of the Blockchain itself that is in fact the most disruptive thing about Bitcoin and other cryptocurrencies. In 2013 Bitcoin researcher Vitalik Buterin released the Ethereum Whitepaper which outlined the design of a blockchain with a built-in fully fledged Turing-complete programming language that can be used to create contracts that can be used to encode arbitrary state transition functions. This makes Ethereum unique. Rather than expecting miners to wastefully churn exponentially increasing power on purposeless hash calculations as a proof-of-work, Ethereum miners, over and above performing the basic blockchain verification calculations, execute the actual code that makes up what Buterin dubbed smart contracts. The smart contracts are written in a variety of high-level languages, which are then compiled down into byte-code that is executed on the Ethereum Virtual Machine. Over the last few years however the original languages have either been deprecated, or largely superceeded by Solidity, a Javascript-like language that resolves a number of issues with the original languages . Last year I was hired as part of a small team to develop a proof-of-concept smart contract based application for an insurance company that would allow asset owners to insure themselves against damages caused by shor Continue reading >>

Blockchain Iphone App - My Wallet

Blockchain Iphone App - My Wallet

Access your Blockchain Wallet securely on the go Scan a friend's QR code to seamlessly send and receive bitcoin Client-side encryption ensures that youre the only one with access to your funds Supports 25 languages, and converts over 22 currencies Automatic backups mean your data is safe, even if your device is lost or damaged IF MY PHONE IS STOLEN ARE MY BITCOIN SAFE? All wallets are PIN protected - 4 incorrect attempts are possible before the main wallet password is required to be re-entered. IF I LOSE MY PHONE OR DELETE THE APP, WILL I LOSE MY BITCOIN? No, you can still access your wallet online using the web interface. To login all you need is your Wallet ID and your personal password. You can also use your backup phrase to regain access to your funds. Your encrypted wallet is always automatically backed up to our servers, so your web wallet will be as up to date as the wallet on your phone was. If you enter an incorrect PIN 4 times you will simply be asked to re-enter your main password. If you have forgotten your main password, you can re-access your bitcoin by using your Backup Phrase. Read more about why it's important to backup your wallet with your Backup Phrase here . Continue reading >>

Ethereum Project

Ethereum Project

You are responsible for your own computer security. If your machine is compromised you will lose your ether, access to any contracts and possibly more. You are responsible for your own actions. If you mess something up or break any laws while using this software, it's your fault, and your fault only. You are responsible for your own karma. Don't be a jerk and respect the rights of others. What goes around comes around. The user expressly knows and agrees that the user is using the Ethereum platform at the users sole risk. The user acknowledges that the user has an adequate understanding of the risks, usage and intricacies of cryptographic tokens and blockchain-based open source software, eth platform and ethereum The user acknowledges and agrees that, to the fullest extent permitted by any applicable law, the disclaimers of liability contained herein apply to any and all damages or injury whatsoever caused by or related to risks of, use of, or inability to use, ethereum or the Ethereum platform under any cause or action whatsoever of any kind in any jurisdiction, including, without limitation, actions for breach of warranty, breach of contract or tort (including negligence) and that neither Stiftung Ethereum (i.e. Ethereum Foundation) nor Ethereum team shall be liable for any indirect, incidental, special, exemplary or consequential damages, including for loss of profits, goodwill or data that occurs as a result. Some jurisdictions do not allow the exclusion of certain warranties or the limitation or exclusion of liability for certain types of damages. Therefore, some of the above limitations in this section may not apply to a user. In particular, nothing in these terms shall affect the statutory rights of any user or exclude injury arising from any willful misconduct Continue reading >>

Ark-swift Interface For Easy Ios Integration With The Ark Blockchain

Ark-swift Interface For Easy Ios Integration With The Ark Blockchain

ARK-SWIFT Interface For Easy iOS Integration With The ARK Blockchain We are very proud to announce ARK-SWIFT integration for ARK, thanks to one of our community developers. Community developer SleepDeficit has been working very hard to contribute to the ARK Ecosystem. He is continuing development on some ARK IoT projects. In the mean time has brought us SWIFT integration for ARK, completely written in SWIFT 4.0. SWIFT GITHUB: Swift is a powerful and intuitive programming language for macOS, iOS, watchOS and tvOS. Writing Swift code is interactive and fun, the syntax is concise yet expressive, and Swift includes modern features developers love. Swift code is safe by design, yet also produces software that runs lightning-fast. Swift 4 was developed in the open at Swift.org, with source code, a bug tracker, mailing lists, and regular development builds available for everyone. This broad community of developers, both inside of Apple, as well as hundreds of outside contributors, work together to make Swift even more amazing. Swift already supports all Apple platforms as well as Linux, with community members actively working to port to even more platforms. Swift includes features that make code easier to read and write, while giving the developer the control needed in a true systems programming language. Swift supports inferred types to make code cleaner and less prone to mistakes, and modules eliminate headers and provide namespaces. Memory is managed automatically, and you dont even need to type semicolons. Swift also borrows from other languages, for instance named parameters brought forward from Objective-C are expressed in a clean syntax that makes APIs in Swift easy to read and maintain. The features of Swift are designed to work together to create a language that is p Continue reading >>

3 Best Bitcoin Wallets For Ios, Iphone And Ipad 2017

3 Best Bitcoin Wallets For Ios, Iphone And Ipad 2017

Jordan Tuwiner Last updated July 15, 2017 In February 2014 , Apple banned all Bitcoin wallets from its App Store. But since it has reversed its decision and now there are a number of awesome Bitcoin wallets available for iPhone, iOS, and iPad. Large amounts of bitcoins should not be stored on your iOS device! If you want the most secure Bitcoin wallet then you will need to use a hardware wallet like the Ledger Nano S . You should always do research before downloading or installing any Bitcoin wallet. Many wallets are malware and will just steal your bitcoins once you fund the wallet. breadwallet is perhaps the most popular Bitcoin wallet for iPhone. Its super easy to use and gives users complete control over their funds. The interface is clean and makes using the wallet easy even for new Bitcoin users. The recovery process is also explained well which helps prevent new users from losing their bitcoins due to rookie mistakes. Airbitz is a feature packed Bitcoin wallet for iOS. It aims to make spending bitcoins a breeze, since it offers a Bitcoin merchant directory and the ability to buy gift cards from within the app! A unique features of Airbitz is that it automatically backs up your wallet. So there is no confusing recovery process if you lost your phone! This section will aim to answer some of the most common questions related to iOS and iPhone Bitcoin wallets. Why cant I store large amounts of bitcoins on my iPhone? iOS wallets are hot wallets. Any wallet that is on an internet connected device like an iPhone is a hot wallet. Hot wallets are more vulnerable to hackers because hackers access and infect devices through the internet. For secure storage, you need a cold storage wallet which means the wallet is stored and use only on an offline device. An example of this Continue reading >>

Blockchain The Next Big Thing For Middleware

Blockchain The Next Big Thing For Middleware

You are here: InfoQ Homepage Articles Blockchain The Next Big Thing for Middleware Blockchain The Next Big Thing for Middleware 1Followers on Dec 12, 2016. Estimated reading time: 17 minutes | A note to our readers: You asked so we have developed a set of features that allow you to reduce the noise: you can get email and web notifications for topics you are interested in. Learn more about our new features . A blockchain is a protocol and ledger for building an immutable historical record of transactions There is no new technology behind blockchain, just established components combined in a new way Middleware is key for success to integrate blockchain with the rest of an enterprise architecture Setting up your own blockchain is a complex process; Blockchain as a Service (BaaS) can allow faster adoption Fascinating new technologies are emerging these days. Everybody talks about cloud, containers, big data and machine learning. Another disrupting technology is blockchain. You might have heard about blockchain as the underlying infrastructure of Bitcoin . But Bitcoin is just the tip of the iceberg. This article explains the use cases and technical concepts behind blockchain, gives an overview about available services, and points out why middleware is a key success factor in this space. More than 700 cryptocurrencies were available for trade in online markets as of 11 July 2016,but only 9 of them had market capitalizations over $10 million . A new term emerged therefore: Altcoin (meaning Bitcoin Alternatives). However, Altcoin is not the same as blockchain, but just another alternative for financial transactions. Blockchain is a layer under the hood of a cryptocurrency. It is all around the transfer of assets within a business network . Blockchain enables the creation of a Continue reading >>

Introducing: Web3.swift For Ethereum Ios Development

Introducing: Web3.swift For Ethereum Ios Development

Introducing: Web3.swift for Ethereum iOS Development Developing new UI + features for Dust wallet Additional stability fixes for Dust iOS (pending release) Example app showcasing how to use above framework in iOS app Targeting latest Android SDK, Oreo, with latest patch (Android) Upgraded to target latest Google Play services libraries Identified and fixed a few memory leaks in the app, should improve performance and help with any out of memory crashes (Android) Cleaning and stripping old assets from app, reduced APK size by ~10 MB (pending Android release) Added a synchronized call in account creation rewards to ensure Rinkeby ETH reward transaction Implemented an Amazon SQS deadletter queue for GMT rewards You may already be familiar with our How To series which documents how to utilize existing technology in the blockchain community. This post marks the start of a new series of blog posts Introducing never before seen technology discovered by the talented Mercury team . The iOS team here at Mercury Protocol is very happy to announce that we have open sourced the framework web3.swift . Mercurys web3.swift provides native iOS developers an API to encode and sign transactions client side. This gives clients the choice to send to the blockchain directly or send it elsewhere to avoid mobile devices acting as Ethereum peers. Mercurys web3.swift library gives the blockchain community and app developers an easier way to use Swift for Ethereum: Account Management, Transaction Encoding, and Signing. This library is similar to web3.js for Web and web3j for Java and Android. Install CocoaPods using Homebrew by entering the following in a terminal: First, create an Xcode iOS app project called Web3SwiftExample in your home directory. To integrate web3.swift into your Xcode proje Continue reading >>

Airbitz

Airbitz

Securing the Future of Blockchain Technology Airbitz is a single-signon security platform for blockchain apps The worlds first zero-knowledge single sign-on solution. Use the Airbitz wallet to login to decentralized blockchain apps with the scan of a barcode. Private keys are instantly created, encrypted, and backed up. No words to write down, no files to save, no data to encrypt. It all happens automatically, magically. For decades, we've utilized the enterprise security model which centralizes valuable data with trusted custodians. Over and over, this model has been proven to be flawed, with countless hacks, breakins, and thefts of consumer information and data. Instead of relying on enterprise server security, Edge-Security encrypts data first the user's device before it ever touches a network or server. A server-side hack yields nothing but fully encrypted, private data. A hack on a users device yields only the data of that one user vs millions of users. The incentive to attack the system is reduced by orders of magnitude. Airbitz provides the worlds first edge security platform that allows developers to build apps that secure users data at "The Edge." Continue reading >>

3 Best Bitcoin App Sdk For Ios And Android With Samples

3 Best Bitcoin App Sdk For Ios And Android With Samples

3 best bitcoin app SDK for iOS and Android with samples Bitcoin nowadays is not only a cryptocurrency or a digital payment system. Actually, thanks to its unique features bitcoin has become a real instrument for investment, saving and even earning more money. In this article we want to talk about 3 most popular bitcoin appSDK,thatcan help you to develop your own bitcoin app. Thank their functionality you can create bitcoin wallet, a tool for investors, bitcoin game 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 2.9 to 5.8 million people use cryptocurrency wallets in 2017, most of them work with bitcoins. Blockchainis regarded as the most popular bitcoin wallet in the world. Nowadays more than 14 million wallets are registered inBCworldwide. Moreover, Blockchain has a full stack of free APIs for developers, so we start our analysis with it. Supported platforms: Android, iOS, Windows, Mac OS, Linux Blockchainis very popular service. It supports many programming languages in form of libraries for its API (Python, Java, NET, Ruby, PHP, Node etc.). Receive Payments V2API KEY: an easy way for websites to receivepaymentsin bitcoins. This option is completely free and safe. It is ideal for business and personal using. Blockchain WalletAPIKEY: full 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 must request API fromBC.The application contains a name of person/organization, e-mail, and URL of the website or app. This process is supposed to exclude different ways of fraud or using keys for unfair purposes. So that Continue reading >>

Bitso Launches New Api Library For Ios

Bitso Launches New Api Library For Ios

Bitcoin is constantly growing, as seen in this transaction chart which shows the number of bitcoin transaction per day. Usage is up across the board, the price of bitcoin has been growing recently too. As expansion happens it attracts more developers to build apps and tool sets around it. With Apple iOS being the premium place to build and deploy your mobile apps, its no surprise that the bitcoin exchange Bitso has launched their very own iOS SDK library. The Mexican based bitcoin startup raised over $1.8 million in venture capital in April with different goals in mind. One of them being to try to tackle the remittance market, which in Mexico is a $24 billion a year industry. Its clear they are also going to be building out their infrastructure and adding open source tools so that developers can use their data making them a valuable resource to the community. The new iOS SDK library takes full advantage of their exchange, allowing developers to tap into their platform with public API endpoints for their exchange ticker, transaction data, and order book. They have also created private API endpoints to get balance information, user transaction details, open orders, buy and sell orders, and more. Developers that want to access the private endpoints will need to sign up for API keys to gain access. News.Bitcoin.com is Hiring Editorial Staff In Tokyo, Stockholm and Your Town. Are you an experienced news editor or a news reporter with a nose for crypto? We are on a roll increasing our readership every day serving millions of readers each month read more. Click here to view recorded livestreams from the Satoshis Vision Conference, that took place in Tokyo this weekend (MAR 23-25). Listen to The Bitcoin .com Podcast Network Available for Android and iOS: Try out the new Bitcoi Continue reading >>

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