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    19 仕事が見つかりました。次の価格: USD

    Hello to all! I present a new startup based on cryptocurrencies (Bitcoin, Ethereum, etc.). At the moment we are developing a web wallet that works as an extension in Google Chrome. We need developers that meet the following requirements: 1. Knowledge of JS, NodeJS, using ES6 standard; 2. Using Webpack, Gulp; 3. Experience of developing Google Chrome extensions. 4. Experience in web frontend devel...

    $56 / hr (Avg Bid)
    $56 / hr 平均入札額
    21 入札

    i need to create a token and integrate it to the website.

    $415 (Avg Bid)
    $415 平均入札額
    17 入札

    Hi I am looking for someone to create an app on the ethereum network. Our app is complete already. We just need to add the eth smart contracts. Please have experience and be available to start doing work.

    $785 (Avg Bid)
    $785 平均入札額
    19 入札
    ethereum developer 6 日 left
    認証完了

    Hi I am looking for someone to create an app on the ethereum network. Our app is complete already. We just need to add the eth smart contracts. Please have experience and be available to start doing work.

    $648 (Avg Bid)
    $648 平均入札額
    15 入札

    I have forked a dapp and turned into a similar game, but one of the functions is not working. It's developed on tron blockchain. I need you to see the smart contract and see what needs to be fixed.

    $164 (Avg Bid)
    $164 平均入札額
    10 入札
    create a masternode coin! 6 日 left
    認証完了

    i need to change my current erc20 token to a masternode token like dash i already have own erc20, just need to swap it.

    $502 (Avg Bid)
    $502 平均入札額
    12 入札

    I am looking for a programmer to develop a birth registration application in solidity, can be a simple application

    $451 (Avg Bid)
    $451 平均入札額
    7 入札
    Looking for crypto trader 5 日 left
    認証完了

    We are a company based in Dubai and We are looking for experienced freelance traders, who can join our dynamic and dedicated team. Who are we? Teroxx is one of the first digital asset and digital currency trading houses in the world! Working closely with regulators, Teroxx is on its way to implement an international concept for cryptocurrency trading and investments in blockchain technology and i...

    $54 / hr (Avg Bid)
    $54 / hr 平均入札額
    15 入札

    Hello, We want to create a crypto-asset which here is the context: Our company FAZUP manufactures and markets a device that greatly reduces the amount of electromagnetic waves absorbed by smartphone users. It is an extra fine passive antenna, in the form of a patch, which is positioned very precisely on the back of the mobile phones, with respect to their main antenna location. The FAZUP patch r...

    $15 / hr (Avg Bid)
    $15 / hr 平均入札額
    21 入札

    Need an experienced solidity smart contract developer. Must be able to write tests using openzeppelin framework. Attach all past smart contract jobs & projects or you won't be considered

    $8 / hr (Avg Bid)
    $8 / hr 平均入札額
    6 入札
    Exchange platform 5 日 left
    認証完了

    Bitcoin, litecoin and ethereum exchange with fiat currency

    $1689 (Avg Bid)
    $1689 平均入札額
    33 入札

    We need to do penetration testing to our smart contract on Rinkeby and need to static analysis as well. We need to complete this static & dynamic analysis ASAP before you launch the contract on mainnet. The developer needs to have expertise in Solidity and have extensive experience in Solidity smart contract audit and penetration testing. Please follow up with portfolios.

    $726 (Avg Bid)
    $726 平均入札額
    12 入札

    We have a running DEX but on running market [ログインしてURLを表示] tech spec we want. Specifically we want to build a [ログインしてURLを表示] like exchange. 1. Front end totally change (use react or any other tech) 2. Full source code need to be provided 3. Backend server 4. Token listing/integration process 5. Deploy on digital ocean 6. 2 color theme daymode and night mode ** All resource are avialable on ...

    $1557 (Avg Bid)
    $1557 平均入札額
    22 入札

    We need to do penetration testing to our smart contract on Rinkeby and need to static analysis as well. We need to complete this static & dynamic analysis ASAP before you launch the contract on mainnet. The developer needs to have expertise in Solidity and have extensive experience in Solidity smart contract audit and penetration testing. Please follow up with portfolios.

    $700 (Avg Bid)
    $700 平均入札額
    11 入札

    We are looking for Blockchain Expert who can work on our various projects. There are so many tasks that you have to implement and if you are right person, it will be long term contract. I'm looking for Real Expert have at least 2 years of experience in this field. You are needed to show some previous works that you have done and explain about it. Must work on US timezone. There might be over...

    $22 / hr (Avg Bid)
    $22 / hr 平均入札額
    35 入札

    Hello my name is Giovanni. I was wondering if someone in here could make me a professional betting site. Please contact me for further discussion. Best regards.

    $2832 (Avg Bid)
    $2832 平均入札額
    38 入札

    I am located in the United States. We have many regulations that make it difficult to do an ICO. Looking to establish an ICO from a cryptocurrency friendly Country. Helpful if you have experience marketing cryptocurrency ICO"s

    $711 (Avg Bid)
    $711 平均入札額
    25 入札
    We need to build or fork a blockchain 2 時間 left
    認証完了

    We are looking for blockchain developers to help us build or fork a blockchain for our new project.

    $2663 (Avg Bid)
    $2663 平均入札額
    47 入札
    Build a CryptoCurrency Exchange. 14 日 left
    認証完了

    we want to build a cryptocurrency exchange not token exchange not ICO website crypto exchange BTC BCH ETH LTC XRP NEO USDT TRX all coins should be able to trade with each other as pairs. *** 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 freelancer, you should read t...

    $6000 - $10000
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    $6000 - $10000
    96 入札

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