Ethereum is a decentralized platform that runs smart contracts- applications that run exactly as programmed without any possibility of downtime, censorship, fraud or third party interference. Thuê Ethereum Developers

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    16 công việc được tìm thấy, giá USD

    Previous experience working with ChainLink Oracle is imperative. Please send details about oracle work you have done in the past with your bid.

    $1500 (Avg Bid)
    $1500 Giá đặt trung bình
    1 lượt đặt giá

    Requirements: the developer needs to write a C# Desktop Application to save into the Ethereum Blockchain the below strings: 1)b89ad4bc39665cd4154251bfb2cdd007be866b68d53fb3498e3fdc2dbcc9114d575b57ec0ff03f0a39ea867b6ba514cdab9013dae4736791fdbc8a753de8adc4 2)309831ef13f87f0cd2cb9d0a47195c0d3729ae83ece363727798753d51a522d232adb13a279f9c80e71e8246c97217513d823e346dc40a6811d2cdbeee5ddb7b 3)d3296b66ebb8...

    $154 (Avg Bid)
    $154 Giá đặt trung bình
    5 lượt đặt giá
    Blockchain authentication system for Art 5 ngày left
    ĐÃ XÁC THỰC

    I need you to help build a blockchain based system where artists can certify their work on the blockchain. They should be able to transfer the work to others who are added to the blockchain. and original artists should get notified each time work is transferred

    $1522 (Avg Bid)
    $1522 Giá đặt trung bình
    12 lượt đặt giá

    We are after a system that will be able to securly store our college's graduate certificates on a blockchain and also allows other third parties to verify authenticity of these certificates.

    $1391 (Avg Bid)
    $1391 Giá đặt trung bình
    7 lượt đặt giá

    We need to build a DeFi platform which will require smart contract advance coding in solidity and a UI building on top of it to build a functional Dapps running on Ethereum blockchain. 1. Apps interacting with Ethereum blockchain for KYT(know your transactions), able to top up with various payment methods including crypto and fiats including e-wallets. Able to send and receive between wallets, f...

    $1726 (Avg Bid)
    $1726 Giá đặt trung bình
    18 lượt đặt giá

    I would like to create a dex preferable fork of the Etherdelta or forkdelta. but it need to be a new exchange in my server

    $278 (Avg Bid)
    $278 Giá đặt trung bình
    2 lượt đặt giá
    Track & Trace blockchain and IoT 5 ngày left
    ĐÃ XÁC THỰC

    I just want to talk to a track & trace blockchain specialist We are looking for a consulting partner, Our project is in progress, our project manager is from New Delhi, India. We are specialists in blockchain anchors, and we want to shorten the path to Track & Trace. We want to do the tracking by QRcode (via APP) will be sent to Gelocation and anchored in the Blockchain together with H...

    $22 (Avg Bid)
    $22 Giá đặt trung bình
    2 lượt đặt giá

    Thank you for taking time to read our job post. We are a tech company located in NY, we are excited about blockchain and the different things blockchain can do for us. We want to hire a full time developer to help us create, manage and deploy smart contracts. We have a few samples of smart contracts we like and whats awesome is, its all open source so its simple to R&D if you have the experien...

    $25 - $50 / hr
    Niêm phong
    $25 - $50 / hr
    21 lượt đặt giá
    Video streaming for Blockchain / Crypto 3 ngày left
    ĐÃ XÁC THỰC

    We would like a blockchain specialist to help us make and enable a video streaming platform by extending our proposed smart contract on the ethereum blockchain platform It must allow - Verification of video purchase - The viewer will send ethereum ether to video owner via our smart contract , the viewer should be able to send verification data to video owner (hosted by him via P2P network o...

    $1675 (Avg Bid)
    $1675 Giá đặt trung bình
    7 lượt đặt giá
    Easy Transfer Between Crypto Exchanges. 3 ngày left
    ĐÃ XÁC THỰC

    Looking for a simple program that can simply and easily transfer funds of specific coins in my wallets between Binance and Kucoins.

    $566 (Avg Bid)
    $566 Giá đặt trung bình
    7 lượt đặt giá
    BUILD BITCOIN MACHINES 2 ngày left
    ĐÃ XÁC THỰC

    I HAVE VERY CHEAP ELECTRICITY SO NOW I WANT TO BUILD OR BUY CHEAP BITCOIN MACHINES. I WOULD EXCEPT PARTNERS ALSO. I AM US BASED

    $140 (Avg Bid)
    $140 Giá đặt trung bình
    4 lượt đặt giá
    Pasarela de Pagos Cripto + Fiat 2 ngày left
    ĐÃ XÁC THỰC

    Desarrollar una pasarela de pagos que reciba criptomonedas y Dinero Fiat.

    $1329 (Avg Bid)
    $1329 Giá đặt trung bình
    9 lượt đặt giá

    Smart contract project Combination of these projects into one: 1) Forsage: login page [đăng nhập để xem URL] insert 113501 to log in, smart contract [đăng nhập để xem URL] 2) Million money: login page [đăng nhập để xem URL] insert 579984 to log in, smart contract [đăng nhập để xem URL] The second smart contract need to be changed with mid-levels and automation to upgrade member when new one join...

    $1184 (Avg Bid)
    $1184 Giá đặt trung bình
    19 lượt đặt giá

    We want to build a smart contract similar to Proof Of Weak Hands. If you have built these type of smart contracts in the past and we can see them and audit them please contact me about working with us on our POWH style contract.

    $639 (Avg Bid)
    $639 Giá đặt trung bình
    8 lượt đặt giá
    Smart contract application DefI 19 giờ left
    ĐÃ XÁC THỰC

    I have a plan to build a defi platform which will require smart contract advance coding in solidity and a UI building on top of it to build a functional Dapp will send you more details if i consider your offer please bid with the amount you require to build a moderate dapp like a decentralized exchange so i can know cost range and timeframe

    $773 (Avg Bid)
    $773 Giá đặt trung bình
    6 lượt đặt giá

    Using a unique cryptocurrency for a marketing ploy and would love to have an agile developer who would like to take on this challenge. I have a unique demographic that is poised for growth with the simple addition of potential monetary gain for their services. I have been in Crypto for 4 years now, so I know what needs to be done, just not how to code it. Need a willing coder who wants to own a ...

    $738 (Avg Bid)
    $738 Giá đặt trung bình
    14 lượt đặt giá

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