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. 雇佣Blockchain Developers

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    40 找到的工作,价格在 USD
    Looking for web wallet 6 日 left
    已验证

    Hello Please first read all the details . also see on attach file too. I am looking for the development of a web wallet, multiuser [login to view URL] style - [login to view URL] is for a new currency that has been developed, for which we will run the corresponding daemon to it. In addition you will need the development of a merchant api in it, so that users can implement it as a payment gate...

    $1075 (Avg Bid)
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    5 竞标

    I need tambola game for more info I will tell in chat

    $5021 (Avg Bid)
    $5021 平均报价
    2 竞标

    i need python and html specialist

    $9 / hr (Avg Bid)
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    10 竞标

    Project include working in an ubuntu terminal (vps). Need to implement [login to view URL] (source code is on github), but for all this need to. -install go -install lnd with neutrino (light client - no need for full btcd) -use gRPC protocol ([login to view URL]) - python All work have tutorials on github, but freelancer needs to have some experience.

    $48 (Avg Bid)
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    6 竞标

    We are cutting-edge technology startup backed by renowned VC. We are looking for individual/team/software company to build a blockchain based solution for the consumer electronics supply chain project. We expected the blockchain solution seamlessly integrates into our current mobile app and business portal. All the relevant stakeholders, i.e. Manufacturer, distributor, dealer and the end user can ...

    $38 / hr (Avg Bid)
    $38 / hr 平均报价
    25 竞标

    I am starting A company/exchange service for cryptocurrency i am a single guy working on this project if any one want to work with us message me on send me your cv and experience must me needed in blockchain technology NOTE: it should have strong security register and login for users database and more thank you need to Exchange site like binance [login to view URL]

    $7360 (Avg Bid)
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    13 竞标

    Стартап направленный на подключение платежных решений для сайтов. Требуется разработать крипто-приложение для платежного шлюза с функциями децентрализованного хранения, обмена , отображение портфолио и других схожих функций. Подбираем специалистов с опытом работы в схожих проектах.

    $10805 (Avg Bid)
    $10805 平均报价
    4 竞标
    Bitcoin Expert 6 日 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...

    $2540 (Avg Bid)
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    44 竞标

    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

    $4330 (Avg Bid)
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    40 竞标

    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.

    $794 (Avg Bid)
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    10 竞标

    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.

    $69 (Avg Bid)
    $69 平均报价
    5 竞标
    BLOCKCHAIN database 6 日 left
    已验证

    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 ...

    $167 (Avg Bid)
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    10 竞标

    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...

    $910 (Avg Bid)
    $910 平均报价
    25 竞标

    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.

    $74 (Avg Bid)
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    4 竞标

    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,...

    $538 (Avg Bid)
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    7 竞标

    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

    $3909 (Avg Bid)
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    21 竞标

    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

    $37 / hr (Avg Bid)
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    5 竞标

    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...

    $3028 (Avg Bid)
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    22 竞标

    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.

    $234 (Avg Bid)
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    6 竞标

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

    $1491 (Avg Bid)
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    26 竞标

    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...

    $1110 (Avg Bid)
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    43 竞标
    Crypto Journalist 4 日 left
    已验证

    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. ...

    $4 / hr (Avg Bid)
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    8 竞标
    I need a blockchain wallet 3 日 left
    已验证

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

    $2487 (Avg Bid)
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    29 竞标

    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.

    $177 (Avg Bid)
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    4 竞标

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

    $23 / hr (Avg Bid)
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    5 竞标

    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...

    $2908 (Avg Bid)
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    25 竞标
    Build An Ethereum DAPP 3 日 left
    已验证

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

    $950 (Avg Bid)
    $950 平均报价
    25 竞标

    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, ...

    $17 / hr (Avg Bid)
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    27 竞标

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

    $531 (Avg Bid)
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    17 竞标
    Python Dev / Deamon RPC Dev 2 日 left
    已验证

    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.

    $14 / hr (Avg Bid)
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    16 竞标

    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...

    $4363 (Avg Bid)
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    24 竞标

    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...

    $54 / hr (Avg Bid)
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    67 竞标

    Create basic hyperledger blockchain on aws using template.

    $438 (Avg Bid)
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    12 竞标

    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 ...

    $37 / hr (Avg Bid)
    $37 / hr 平均报价
    34 竞标
    x11 coin Master node and Wallet 17 小时 left
    已验证

    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...

    $4147 (Avg Bid)
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    41 竞标

    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...

    $84 (Avg Bid)
    $84 平均报价
    28 竞标

    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.

    $33 / hr (Avg Bid)
    $33 / hr 平均报价
    10 竞标
    Blockchain Miners 9 小时 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.

    $16 / hr (Avg Bid)
    $16 / hr 平均报价
    17 竞标

    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

    $1256 (Avg Bid)
    $1256 平均报价
    21 竞标
    Build A CryptoCurrency Exchange 13 日 left
    已验证

    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...

    $6000 - $8000
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    $6000 - $8000
    104 竞标

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