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. Zatrudnij użytkownika Ethereum Developers

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    I post a .pdf file with all requeriments we need receive the source code for test in ropsten we need create a QR generator or a backend to get a referral link

    $911 (Avg Bid)
    $911 Średnia Oferta:
    6 składanie ofert

    We need create a Smart contract & Backend based in a simple smart contract ill upload pdf file for smart contract requeriments we need make this so fast, will need the source code to test in ganache or ropsten network

    $500 (Avg Bid)
    $500 Średnia Oferta:
    1 składanie ofert
    trustwallet or metamask integration 6 dni left
    ZWERYFIKOWANY

    I need someone to integrate trustwallet on my site.

    $172 (Avg Bid)
    $172 Średnia Oferta:
    6 składanie ofert

    Since it's a very innovative project I prefer do not give details. We require ethereum and smart contracts knowledge. Italian language is a plus, even if not mandatory

    $15 / hr (Avg Bid)
    $15 / hr Średnia Oferta:
    3 składanie ofert
    Token ERC-20 4 dni left

    I am looking for a programmer, I want to develop a token from the ethereum network

    $188 (Avg Bid)
    $188 Średnia Oferta:
    12 składanie ofert

    I have a token called H3D (solidity smart contract). Whenever someone buys or sells H3D through our site ([zaloguj się, aby wyświetlić URL]), 10% of the purchase (in HEX, what people use to buy H3D) is distributed amongst the token holders. The value of H3D goes up as more people buy, and down when people sell. We launched and all was well, but someone discovered a bug that allowed one of the deve...

    $566 (Avg Bid)
    $566 Średnia Oferta:
    14 składanie ofert

    I need ethereum web3j app in android or a java class that can do the function: 1. Create Account (Public address and Private Key) 2. Erc20 Send transaction 3. Ethereum send transaction 4. Get balance 5. Should be in mainet connection in infura Refrence link : [zaloguj się, aby wyświetlić URL] and [zaloguj się, aby wyświetlić URL] Only freelancer that has experience on it are allowed to bid...

    $281 (Avg Bid)
    $281 Średnia Oferta:
    4 składanie ofert

    I would like to build a faucet site that pays HEX every week. I'm after a clean interface, the site style will be built in a similar way to http://hex.toys. total deadline: $500

    $118 / hr (Avg Bid)
    $118 / hr Średnia Oferta:
    14 składanie ofert

    I would like to work with a developer to build an Ethereum ER-20 token faucet site that pays HEX every week. I'm after a clean interface, the site style will be built in a similar way to http://hex.toys.

    $1748 (Avg Bid)
    Wyróżnienie
    $1748 Średnia Oferta:
    25 składanie ofert

    Hello. I know bitcoin full node can working on own server. But Ethereum also can do that? I want to wallet service and provide API to other website. So i need to operate to BTC and ETH. Looking for developer with knowledge of this.

    $220 (Avg Bid)
    $220 Średnia Oferta:
    12 składanie ofert
    Ethereum Web3j java android app 2 dni left
    ZWERYFIKOWANY

    I need ethereum web3j app in android or a java class that can do the function: 1. Create Account (Public address and Private Key) 2. Erc20 Send transaction 3. Ethereum send transaction 4. Get balance 5. Should be in mainet connection in infura Refrence link : [zaloguj się, aby wyświetlić URL] and [zaloguj się, aby wyświetlić URL] Only freelancer that has experience on it are allowed to bid...

    $158 (Avg Bid)
    $158 Średnia Oferta:
    3 składanie ofert

    We have a protocol developed in Solidity. This protocol has a relayer module which processes the transaction without taking gas fee in ETH from the users. Fee for the transaction is paid by relayer and once the transaction is processed, ETH is refunded to the relayer. We would like to add a method that will refund the fee in ERC20 token as well. Implementation is based on [zaloguj się, aby wyświ...

    $478 (Avg Bid)
    $478 Średnia Oferta:
    4 składanie ofert

    I want a programme I can run on a DigitalOcean server that uses Twitter's API to monitor accounts I specify by username. When the user I specify tweets or re-tweets, the programme should send a transaction on the Ethereum blockchain from one address to another, with the text of the tweet (as hexadecimal) as the 'Input Data'.

    $280 (Avg Bid)
    $280 Średnia Oferta:
    5 składanie ofert
    Blockchain hardfork 17 godzin left

    looking for a new crypto coin for myself by hard forking any good existing blockchain. Only experienced developer contact me. Fixed budget : 500$

    $511 (Avg Bid)
    $511 Średnia Oferta:
    9 składanie ofert
    Ethereum Token Swap and Mapping 16 godzin left
    ZWERYFIKOWANY

    We are looking for a Ethereum Blockchain specialist / developer with the right experience in designing and developing swap process for ERC20 tokens (mapping). We want to swap our old ERC20 with a newly created ERC20 at the ratio of 10:1, meaning the current token holders will receive 10% of the newly created token whereas the remaining 90% will be locked for 10 years. Preferrably the swap event...

    $246 (Avg Bid)
    $246 Średnia Oferta:
    8 składanie ofert

    We want to develop a token on Ethereum Blockchain and Smart Contracts starting from a whitepaper in our possession.

    $546 (Avg Bid)
    $546 Średnia Oferta:
    18 składanie ofert

    I need some help with internet marketing.

    $7363 (Avg Bid)
    $7363 Średnia Oferta:
    7 składanie ofert

    I need a coin made on etherum block chain.

    $164 (Avg Bid)
    $164 Średnia Oferta:
    8 składanie ofert

    Najlepsze Ethereum Artykułów Społeczności