Blockchain Jobs

Blockchain is a distributed register that is used to maintain a continuously growing list of records, called blocks. It has revolutionary applications in finance (such as cryptocurrencies like Bitcoin) and decentralized applications like online voting. Hire Blockchain Developers

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    42 jobs found, pricing in CAD
    Bitcoin Expert 6 days left

    Start-up company currently looking for help to take over development of our cryptocurrency wallet mobile application. The mobile application uses API's from Bitgo for secure storage of funds as well as API's from Coinmarketcap for correct pricing. We have the application in Alpha however the current development team keeps experiencing delays. This application is part of a complete cryp...

    $3330 (Avg Bid)
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    29 bids

    We are looking for experienced specialist who can create an offline wallet for blockchain for such ctyprocurrency as btc , eth and bch. Please, if you can do this, send us your examples according to our tasks and we can discuss with you all details

    $5389 (Avg Bid)
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    21 bids

    I'm looking into opening a bank account that accepts cryptocurrency. We need a business bank account that is reliable, fast with low fees, online banking, and safety. This will be for start-up cryptocurrency exchange that will be operating in Estonia. Help me open a bank account and get me accepted. You must be communicative with us in order to work with us.

    $339 (Avg Bid)
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    4 bids

    Hello everyone. I'm looking for a very experienced hyperledger fabric expert. someone who can help me understand how the node.js fabric client works. Thanks.

    $105 (Avg Bid)
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    4 bids
    BLOCKCHAIN database 6 days left
    VERIFIED

    DESCRIPTION: We need a blockchain based database with good security standards with different levels of accesses. The database could be accessible via web with the https protocol (we will provide you a domain and hosting with this service). The name of the application will be CAVEOK and asap we will provide you an image (.ico or .jpg) to use as a logo. The super admin can set all permissions for ...

    $207 (Avg Bid)
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    9 bids

    I'm looking for someone to create a Crypto Currency Abitrage software. The concept of abitrage is buying at a low price and selling for a higher price, so for example on one exchange BTC is $6000 but on another exchange its selling for $6100, here we have an arbitrage possibility The software must connect to at least 8 different exchanges via API, The users funds will be held in the platfor...

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    23 bids

    I have a new mining rig that I would like to configure and set up for the first time. I would like to mine coin & altcoin in profit switching.

    $97 (Avg Bid)
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    4 bids

    I need the service of a web developer who is proficient in laravel 5+ and blockchain to work on my crypto competition platform,the goal is to decentralize an already centralize application. Create the ERC20 utility token, ICO crowdsale smart contract with staking mechanism; quick transaction speed and token security is priority, integrate the utility token to the laravel 5+ application to deposit,...

    $705 (Avg Bid)
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    7 bids
    Ethereum Expert 6 days left

    Hi, freelancers. We planed to fork Ethereum. If you have expereince to fork in last projects, Please let me know your skill. Bid with github link

    $4651 (Avg Bid)
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    20 bids

    Hello I have a Smart Contract & I need consultation regarding it's security . [Removed by Freelancer.com Admin for offsiting - please see Section 13 of our Terms and Conditions] Thanks

    $58 / hr (Avg Bid)
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    Must have coding experience with blockchain related projects and expert web design skills along with knowledge on how to use [login to view URL] API and [login to view URL] documentations Changelly API Doc: [login to view URL] | Github: [login to view URL] Shapeshift API Doc: [login to view URL] | Github Skeleton: [login to view URL] Must show prior projects you've developed. Serious people...

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    22 bids

    Do you know how to do traveling salesman problem (TSP) in an simulated annealing solution algorithm? It must be crafted in ePL (similar to C) and must interact with a proof of work algorithm. The script is almost done, there are some missing parts ([login to view URL] ) Total job is worth 250 USD. Let me know if you interested or if you know someone who will.

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    6 bids

    I need an android cryptocurrency wallet support bitcoin, ethereum, and a couple specific erc20 tokens we specifically

    $1945 (Avg Bid)
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    25 bids

    Hi There i am looking for a professional Whitepaper for a new ICO we will be launching. 30 Pages+ with a very good market research, included some economics with references and Charts. This is for a very specific market. I will give you around 20 - 40 % of the info I already have with an overview of the product. Knowledge of Token sales is very important and how to include it in the Whitepaper. Mos...

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    43 bids
    Crypto Journalist 4 days left
    VERIFIED

    Tron Weekly Journal is looking for freelance crypto Journalist to cover Tron related news.. The ideal candidate has good communication skills and works well with a team to coordinate and execute the content strategies. Tron WeeklyJournal is Tron related news site that is going to be launched in October 2018. We strive to be a trusted source for the latest news and analysis in the Tron space. ...

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    I need a blockchain wallet 4 days left
    VERIFIED

    I need a blockchain wallet, for ios and android We need you to know about the blockchain and the cryptocurrency trading

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    28 bids

    I need modification on voting bot, which is written for Steemit web site. Bot written in JavaScript is currently working on Steem blockchain and it is automatically voting on post published on Steemit web site. Bot must be modified so, that it will be working on a blockchain and website, which are forked from Steem.

    $232 (Avg Bid)
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    4 bids

    I need to have a cryptocurrency trading exchange platform built to trade our own ERC-20 token. I only want to list BTCXXX ETHXXX. Users will be able to fund their account with BTC or ETH then buy/sell XXX. Account security should be very tight and you'll need to install Two-Factor Authentication via Google Authenticator. You must provide exchange sites(at least one) you developed and a reason...

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    25 bids
    Build An Ethereum DAPP 3 days left
    VERIFIED

    If you can develop on ethereum blockchain fine if not do not bid

    $1212 (Avg Bid)
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    23 bids

    Dragon Corp is a dedicated FinTech company that is fully committed to presenting a state of the art Blockchain payment solutions. We are the technology behind the Dragon Coin - the world's number one entertainment token; have our own digital asset exchange (DRGx) and the secure and easy to use Dragon Social Wallet. We sponsor professional fighters, olympic boxers, winning motor sport teams, ...

    $22 / hr (Avg Bid)
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    27 bids

    Hello i need a expert developer can help me to config crpto address api config in my exchange [login to view URL] only experts

    $696 (Avg Bid)
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    17 bids
    Python Dev / Deamon RPC Dev 2 days left
    VERIFIED

    Hello, We looking an expert on Python / Node.js for working with an RPC Deamon Crypto like bitcoin, litecoin etc. we need to create wallet and display each new wallet on a website page. Simple but you need good knowleadge with python / node.js. Thx you.

    $18 / hr (Avg Bid)
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    16 bids

    Hi! We are looking for a developer fluent in coding. You must be able to work independently and provide weekly/daily updates with how the project is going. We are looking for an expert who can can take direction and run with it. Here are the qualifications: Mobile programming (Android and IOS) Mastery of APIs Ability to read and understand documentation Experience with Blockchain IOS developer...

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    67 bids

    Create basic hyperledger blockchain on aws using template.

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    12 bids

    It will be a project of this time, it will be a production incorporating the Smart Contract system. · HP (with application form) · Database construction ·Dashboard · Enhanced security · Smart Contract · Issuance of coins · Mobile wallet development I would like to issue new coins and make it possible to divert them. It is Ether base. It is in such ...

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    34 bids

    Dear Sir/Madam, We have Coin Name Pioneer Coin, [login to view URL] We need Blockchain developer who can do moderation, we have following requirement for our project, 1: Master Nodes Master node reward should split to three i: 45% to Miners ii: 45% to that wallet who fixed 1000 COINs. iii: 10% to self development wallet 2: Wallet our members complaining about wallet have...

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    My name is Jonathan Byrne, and I work for a blockchain company Yetta. Yetta is a global monetary innovation that leverages over 4 years of blockchain research and development funded by the European Union. Built from the ground up, our unique blockchain package comprises of a third-generation blockchain, smart contracts virtual machine, and DAPP store, that vastly outperforms current industry leade...

    $110 (Avg Bid)
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    Blockchain Miners 23 hours left

    Miners validate new transactions and record them on the global ledger ( blockchain ) for a new cyptocurrency. International company with many other projects available for the successful. Fluent English is required.

    $21 / hr (Avg Bid)
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    I have an exisiting "Small" Mining Farmand need help to optimise it. - What pool to be used - what Crypto Currency to be mine now and in the future - optimise and automise the Mining Farm

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    21 bids
    redpacket weixin 13 hours left

    need red packet services weixin

    $843 (Avg Bid)
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    16 bids

    SedCoin is a blockchain based start-up crowd leasing application platform. We need a simple and unique logo with high quality design. The logo should be represent 'Seductive', 'CryptoCurrency', 'Coin', etc. For your inspiration, we like Binance coin.

    $453 (Avg Bid)
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    86 bids
    Hyperledger Expert 7 hours left
    VERIFIED

    Hyperledger expert who has worked on the Hyperledger project. Someone with a business mind and interested in setting up business. Someone also needs to train me

    $624 (Avg Bid)
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    10 bids

    Greetings! we are seeking an experienced blockchain developer. Now we are on progress to make realistic 3d game and we need to integrate blockchain for its infrastructure. Do not hesitate to apply. Hope to hear from you soon.

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    Blockchain Developer 3 hours left
    VERIFIED

    Blockchain developer to tokenize real estates , diamonds. Only bid if you have done this before. We will go indepth for discussion. Real good potential to work with us as we have secured funding.

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    22 bids

    I need highly talented developers for my blockchain project. further details will be disclosed after the NDA contract.

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    57 bids

    Hello I am looking to get my Ethereum Smart Contract to get Audited from Some Blockchain Security Expert

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    22 bids

    Hello everybody, I'm working on the implementation of Blockchains. I am looking for people interested in this type of projects, which can provide testing, and other cooperations. Thanks

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    Solution for having Banking Industry

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    9 bids
    Build A CryptoCurrency Exchange 14 days left
    VERIFIED

    we want to build a cryptocurrency exchange not token exchange not ICO website crypto exchange BTC BCH ETH LTC XRP NEO USDT also, we want to add two fiats for trading all coins should be able to trade with each other as a pair and for fiat as well *** you can download requirements document and read that in depth and word by word *** if you want to have a chance to choose as this project freelanc...

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    Featured Sealed
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    105 bids

    Требуется кастомная имплементация Cryptonight майнера на JavaScript (не для вирусного майнинга).

    $30 / hr (Avg Bid)
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    We are looking for a Software Engineer, familiar working with Blockchain (Ethereum) to take responsibility for developing cutting edge DApps. Requirements - Responsible for the development of new Blockchain based solutions as well as smart contracts (Ethereum). - Create tests to accompany produced code. - Write code with security and resiliency in mind. - Work in partnership with Web Serv...

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    Ich suche einen Ethereum-Developer der Interesse an einer langfristiger Zusammenarbeit hat. Ziel der Partnerschaft ist der Aufbau eines Full-Service-Providers im Bereich ICO.

    $44 / hr (Avg Bid)
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    10 bids

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