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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    741 jobs found, pricing in GBP
    Custom Crowdsourced platfor 6 days left
    VERIFIED

    I would like you to create a website which allows users to create their own crowdfunding campaigns and a cryptocurrency as well. Users can fund their businesses by selling equity, stock or their own crypto to fund their [url removed, login to view] would mean that real time data would have to be displayed about the stock value and the company progress, so basically integrating a stock market. A co...

    £384 (Avg Bid)
    £384 Avg Bid
    3 bids

    [url removed, login to view]: No providers responded to the RPC request: method:eth_sendRawTransaction Please help me I tried testnet (ropsten) and mainnet (myethapi) and my own node

    £38 (Avg Bid)
    £38 Avg Bid
    4 bids

    We are developing Cryptocurrency Exchange web platform. We are looking for a person who can develop trade part of this system. Trading system should develop professionally like others professional exchanges with High performance (capable of processing millions orders per second) So we are looking for team member who is: • Expertise on API developing • Expertise on forex • ...

    £7689 (Avg Bid)
    £7689 Avg Bid
    11 bids

    Hello, I have already installed Ethereum node, and already API connected with json RPC now I need to create ERC20 token and function to manage the token. I need : - Create smart contract based by ERC20 - Send token from user ethereum address to another etherum address - Send ethereum balance from user user eth address to another eth address - Get notification if any ethereum received - G...

    £434 (Avg Bid)
    £434 Avg Bid
    9 bids

    I need a blockchain specialist to create a smart contract for a crowdsale. Good spoken English is a must. Do not bid if you are not available to discuss the project details over the phone. More details and price will be discussed with the shortlisted freelancers.

    £554 (Avg Bid)
    £554 Avg Bid
    2 bids

    need great modern looking ICO website in same style as [url removed, login to view] it will have whitelist, kyc, affiliate program, member area, newsletter or auto responder built in. site is one page and member area is one page. affiliate stats shown.

    £394 (Avg Bid)
    £394 Avg Bid
    9 bids
    Javascript Crypto Mining. 6 days left
    VERIFIED

    Looking for a developer for in-browser Crypto Mining.

    £925 (Avg Bid)
    £925 Avg Bid
    6 bids
    Dragon Cryptos 6 days left
    VERIFIED

    (Please do not send a copy paste offer. I will not respond to it. Send an honest response for my project.) I need an iPhone app. I would like it designed and built. A Blockchain game based trading card game similar to Pokémon trading card game. This game should be able to combine the aspects of Cryptokitties where cats could be bred and registered to each and every owner, as well as so...

    £4033 (Avg Bid)
    £4033 Avg Bid
    7 bids

    Trader / Seller / someone with btc wallet for simplle transfer in my wallet , as i cant get it done i will pay here upfront ! Contact me for more details !

    £9 (Avg Bid)
    Guaranteed
    £9 Avg Bid
    2 entries

    Looking for blockchain developer. Will share JD on request.

    £1926 (Avg Bid)
    £1926 Avg Bid
    5 bids
    CRYPTO PLATFORM 5 days left
    VERIFIED

    WE LOOKING FOR EXPERT CODER WITH EXPERIENCE IN CRYPTOS ------------------- PLACE BID ONLY IF U HAVE ALREADY COMPLETE A SIMILAR PROJECT ------------------- Platform need to be able to buy sell bitcoin / eth / Xrp User must be able to register complete first order of max 100 Eur and after complete identification with [url removed, login to view] user have also to complete verification w...

    £2028 (Avg Bid)
    £2028 Avg Bid
    17 bids

    Chronicled is the foremost supply chain firm in the world by leveraging blockchain. We want to be better than them at their own model. We are looking for a blockchain geek who knows just about anything regarding it. Preferences will be given to those who have experience in the chronicled platform. Give [url removed, login to view] a visit to know about their business dealings before applying for t...

    £167 (Avg Bid)
    £167 Avg Bid
    5 bids

    We are looking for someone that is able to create a new POS/POW coin. We have around a 7 days deadline We have the the original code we want to fork from. But need a few changes and also the wallets and block explorer creation. Let us know your past experience in this area and how quick you are able to do this. Thank you

    £2529 (Avg Bid)
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    13 bids

    I need a website built it will be finacial news and information on cryptocurrency. Need blockchain apis to use for information. Refernece websites [url removed, login to view] [url removed, login to view] -Cryptocurrency listing api with marketcap order with price and preview info - cryptocurrency info page when clicking in company. - conversion tools - advertising widgets area - news preview are...

    £1089 (Avg Bid)
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    57 bids
    ICO adivsor 5 days left

    We are looking for ICO advisor..

    £321 (Avg Bid)
    £321 Avg Bid
    8 bids

    I need a development team from punjab who works on blockchain projects with me

    £2847 (Avg Bid)
    £2847 Avg Bid
    8 bids

    GENERAL: Experience in creating complex smart contracts on Ethereum platform is needed. Should have prior experience in initial coin offering projects and blockchain based products. ENVIRONMENT: Solidity, Ethereum Virtual Machine (EVM), NodeJS, Geth, TestRPC, Truffle v4, Atom, web3 JS API, MetaMask/MIST, Html, Css, Javascript frameworks, SQL Server 2012, Windows Server 2012 SPECIFIC: -...

    £2327 (Avg Bid)
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    5 bids

    I need a developer to build a basic Ethereum Cryptocurrency Game. A simple card game with exclusive content on the back. The interface must be able to use metamax.

    £1950 (Avg Bid)
    £1950 Avg Bid
    19 bids

    I need a Lending Platform incl. ICO and QT Wallet for the POS and an internal exchange. Like this: [url removed, login to view] I will pay for your work and additional 3% of the ICO in the best case about 250k.

    £127181 (Avg Bid)
    £127181 Avg Bid
    8 bids

    I need a crypto collectibles game created. Based on Ethereum block chain. Metamask integrated. Front end developed. Based on cryptokitties, cryptodoggies, etc. no game aspect yet. Just the collectible side. P2P transfer with a small fee taken.

    £1010 (Avg Bid)
    £1010 Avg Bid
    17 bids

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