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. 雇佣Ethereum Developers

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    22 找到的工作,价格在 USD

    Build multi cryptocurrency wallet app for Android ,can be already built solution

    $461 (Avg Bid)
    $461 平均报价
    13 竞标

    We´re interested in having a smart contract for pooling purposes [login to view URL] , [login to view URL] It should work like this: 1) Investors send to a ETH address 2) We receive the tokens to that address and it distributes automatically with a rate that we defined additional features would be: Refund possibility, fee from 0-x% 1 - fee taken on ETH or tokens? Possibility to choose f...

    $155 (Avg Bid)
    $155 平均报价
    8 竞标

    Hi, We require a detailed SRS proposal for a hyperledger Blockchain Project on Track , Trace and Verify . [login to view URL] Please evaluate the above link and sent us a clear proposal on this. based on the proposal we shall award the project.

    $35531 (Avg Bid)
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    27 竞标

    Ethereum Blackjack Game Using Smart Contracts - I need a blackjack game developed and deployed on an Ethereum Like blockchain. UI and contracts all need to be developed and deployed

    $1164 (Avg Bid)
    $1164 平均报价
    28 竞标

    Hello Freelancers , I need to get transaction details of my BTC and ETH wallet addresses . The information's which i requires such * ) IN or OUT Transactions *) From Address of the Transactions *) Amount of ETH / BTC transferred to my account *) Number of from transactions from single address If you complete this project within couple of hours - you will have assurance you will be a...

    $223 (Avg Bid)
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    6 竞标
    Create an Ethereum Lottery 5 日 left
    已验证

    I would like you to create an Ethereum lottery for users to sign in, purchase tickets and allow us to set the lottery count-down, jackpots amount easily.

    $1166 (Avg Bid)
    $1166 平均报价
    17 竞标

    I want to do the simplest ICO ever. I want to take an asset (say a painting of mine, or my house, or my car), and pledge it to a digital coin offering. Whoever owns this coin owns the asset (and all distributions from the asset - say the painting sells at auction for $1mm dollars - then all holders of coins would get a distribution of cash). So I need someone to: Launch the coin on an exchange. I ...

    $1479 (Avg Bid)
    $1479 平均报价
    22 竞标

    i wanna build the best platefrom for crypto hegdefund managment companys on its own blockchain. our toke will be a proof of stake token that pay company dividens in btc. wh have big plans to lanc a ico in sept tember and need to find a tea. the best team. we are trying to raise 100 million dollars for this project doing the up front stuff now need to move fast in the first stages to we can lanch i...

    $54 / hr (Avg Bid)
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    44 竞标

    Looking for an experienced web developer to get a mining pool online for testing. The code is open source and located here [login to view URL] The perfect candidate will have experience with web development, blockchains, and AWS deployment. It should be a simple job the documentation on GitHub explains most of the steps. The front end is included and I do not require any customization.

    $71 (Avg Bid)
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    5 竞标

    ERC20 Wallet for andorid similer app [login to view URL]

    $802 (Avg Bid)
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    16 竞标

    My project is about building an online review system using ethereum blockchain ( so that reviews are immutable). Also, reviews need to be filtered to detect the spam or fraud reviews & has to be stored in the blockchain. User who provide the reviews must be autheticated.

    $2600 (Avg Bid)
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    21 竞标
    make me a crypto currency 3 日 left
    已验证

    i would like my own erc20 token or waves token creating

    $685 (Avg Bid)
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    30 竞标

    We are launching an [login to view URL] need a developer to create ethereum smart contract for our project and attach it to my landing [login to view URL] also need to integrate it in our website and also add automatic issues of tokkens to the investors.

    $502 (Avg Bid)
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    35 竞标

    Hello Dear, I would like to start a project by integrating our Ethereum server with the full/ Lightweight node for business concept. If you re interested I would be more then happy having the opportunity for discussing this with you. For your kind update many thanks in advance. Kindest Regards, Bülent

    $86 (Avg Bid)
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    6 竞标

    I need programmers to implement Sawtooth tracibility for a specific part of my business. Very serious, only need experienced people that understand and work with blockchain technologies already. Sawtooth is a well defined, already developed tracibility system that lives on the HyperLedger platform. I need it implemented to trace from farm to table, and allow end users to be able to look up the ...

    $4584 (Avg Bid)
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    39 竞标

    hello i need a blockchain developer to fixed my mining pool cos vps have reset and our node have reset.. on vps. And also to setup exchange, I already have the exchange script.

    $224 (Avg Bid)
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    8 竞标

    Looking to create a new ERC20 token on the Ethereum Network. The token is to be used in the financial services industry to speed up transactions, information and improve efficiencies. I would require a competent individual who can firstly create the token then help in putting together a white paper, Smart contract ,develop the website and create an ICO. only bid on this project if you are a expe...

    $1974 (Avg Bid)
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    43 竞标

    I need to have an existing github repo of a decentralized ethereum application (solidity contract and front end) forked and deployed on an ethereum clone chain. I can provide VPS for you to deploy it on. Looking at these apps to be forked: [login to view URL] [login to view URL]

    $276 (Avg Bid)
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    14 竞标

    I need a dice dapp for Ethereum blockchain.

    $986 (Avg Bid)
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    31 竞标
    Create a new Crypto Currency 21 日 left
    已验证

    Create a new Crypto Currency by Improving open source existing codes and ensure its reliability to connect to external environments, and implement sepcific specs and deliverables and high level security.

    $3395 - $5658
    加精 加封 保密协议
    $3395 - $5658
    41 竞标

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