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. Contratar a Ethereum Developers

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    22 trabajados encontrados, precios en USD

    HI, freelancers. I am looking for an blockchain developer Project Scope: 1. Configuration Private Network based PoA on AWS 2. fixing a bug here is link [iniciar sesión para ver URL] Thanks.

    $21 / hr (Avg Bid)
    $21 / hr Oferta Promedio
    5 ofertas
    Looking for Blockchain developer 6 días left
    VERIFICADO

    HI, freelancers. I am looking for an blockchain developer Project Scope: 1. Configuration Private Network based PoA on AWS 2. fixing a bug here is link [iniciar sesión para ver URL] Thanks.

    $20 / hr (Avg Bid)
    $20 / hr Oferta Promedio
    23 ofertas
    Decentralized Crytpo Exchange 6 días left
    VERIFICADO

    Need front-end and back-end developers for crypto exchange project on ios, android and web, preferably with experience in decentralized protocols, such as 0x.

    $35 / hr (Avg Bid)
    $35 / hr Oferta Promedio
    27 ofertas

    There is a set of testers of the new cryptocurrency cashbаck service We are recruiting people who should try out our new service, Cryptokeshbek. All beta test participants will receive $ 500 in Bitcоins for the test. If you have accounts on Blockchain, Binance, EXMO, Huobi, Coinbase. We invite you to cooperate. Our main tasks are to check the stability of the service, and if possible identify bu...

    $375 (Avg Bid)
    $375 Oferta Promedio
    2 ofertas
    Online 3D Game on Blockchain 5 días left
    VERIFICADO

    I am looking for someone who has experience with online 3D games or 3D worlds and ideally also with the Ethereum blockchain.

    $7880 (Avg Bid)
    $7880 Oferta Promedio
    55 ofertas

    we required BTC seller for project who have experience in this and can easily manage everything.

    $50 / hr (Avg Bid)
    $50 / hr Oferta Promedio
    3 ofertas

    Hi; Need Bitcoin invest and double your coin site : Account Deposit Withdraw Earning History Referrals Edit Account Home About Us Faq Paid Out Support Log OutAccount Regards

    $579 (Avg Bid)
    $579 Oferta Promedio
    29 ofertas

    A set of new beta testers comes to a new cryptocurrency exchange, everyone can participate in the absolute, even without experience. All beta participants will receive $ 500 in their balance for trading bitcoins. For each error we find, we pay 500 dollars.

    $222 (Avg Bid)
    $222 Oferta Promedio
    6 ofertas

    We need to test the operation of the ERC20 (CRYPTOCASHBACK) CSSBACK token. We invite specialists on working with smart contracts on the ethereum and blockchain networks. 1. It is necessary to conduct an audit. 2. Check the network stability. (make several transactions with our tokens within the ERC20 network. 3. Identify network vulnerabilities, if any. For more information send your applications ...

    $554 (Avg Bid)
    $554 Oferta Promedio
    12 ofertas

    Hey! I am looking for someone who can teach blockchain app development. Mainly app development on ethereum platform & on hyperledger. You should be available 2-3 hours a day to teach.

    $32 / hr (Avg Bid)
    $32 / hr Oferta Promedio
    2 ofertas

    i need to split my smart-contract (because it's too heavy for the gas limit), deploy in ropsten to test it, change the contract set in the interfaces that i have to test it, deploy it in main net and set the correct contract in the interfaces.

    $194 (Avg Bid)
    $194 Oferta Promedio
    2 ofertas

    I need someone who can install complete [iniciar sesión para ver URL] on my AWS server. You must have to have past experience about installing exchange. Exchange Liquidity Referral Multi language HOT/Cold Wallet erc20

    $239 (Avg Bid)
    $239 Oferta Promedio
    12 ofertas

    Looking for long term developer team for the new project. 1. Liquidity 2. 5 crypto Market - BTC,ETH,LTC,USDS, XRP 3. 20 ERC20 coins to be listed 4. New dark and light UI design (binance basic) 5. Admin Panel must have the listing function and adding market pair function. 6. Referral function needs to add and there should be manage function like 30%,50%80% as per admin mind. My budget is 200$ now...

    $1257 (Avg Bid)
    $1257 Oferta Promedio
    20 ofertas

    Before we move on please show me a demo of your work - centralized exchange platforms! We are looking perfect cryptocurrency exchange which you developed before so we can buy and launch by tomorrow!

    $861 (Avg Bid)
    $861 Oferta Promedio
    13 ofertas
    Cryptocurrency Trading Simulator 4 días left
    VERIFICADO

    We are building a cryptocurrency analytics site and would like to integrate a crypto trading simulator as additional functionality within the site. This will need to be integrated into the current site architecture as well as our CRM system, and will also be tied to weekly and monthly tournaments where the winners receive real crypto prizes. Current site built with React and Gatsby.

    $50 / hr (Avg Bid)
    $50 / hr Oferta Promedio
    26 ofertas

    Hello we need someone to make hot a fix for our Erc 20 based Eth token. Requirements 1- Have experience on ERC 20 based tokens and can show reference. 2- Knows how to use Putty, Winscp 3- Can teach us how to find some general bugs and errors and their fixes.

    $20 / hr (Avg Bid)
    $20 / hr Oferta Promedio
    15 ofertas

    Hi, I have a prototype in my mind that I want to test it through designing a system. If it works well, I want to add other functionalities by time. Thanks, Norris

    $20 / hr (Avg Bid)
    $20 / hr Oferta Promedio
    16 ofertas
    security of contract 2 días left
    VERIFICADO

    [iniciar sesión para ver URL] Hi, I want to have a security report form "Oyente". it should be done in 2-3 hours it is very simple because the contract in very simple. all u do is to follow the steps in the shared link. Max budget is 10 USD

    $12 (Avg Bid)
    $12 Oferta Promedio
    5 ofertas

    I am going to build a website to integrate with etherum blockchain. You must have rich experience with etherum, erc20token. This project must be finished in 10 days. Please bid if you are definitely confident in this field and add *blockchain expert in your proposal at first. Thanks.

    $1496 (Avg Bid)
    $1496 Oferta Promedio
    23 ofertas

    I'm looking for a program to perform multi-sign BTC and/or ECR20 token transactions offline and online It must support signing via hardware such as Trezor and Nano Ledger and AWS CloudHSM Java language preferred

    $181 (Avg Bid)
    $181 Oferta Promedio
    3 ofertas

    Hi - I am looking for an expert to build a network for me that I can store my data in Hyperledger burrow network. so your job is to build a network and api to store my random generated dataset into the hyperledger network- burrow. the link of hyperledger burrow is this:[iniciar sesión para ver URL] please let me know if you need to see my data and how they are being generated, it is just...

    $207 (Avg Bid)
    $207 Oferta Promedio
    11 ofertas
    Blockchain-Powered Invitation Dapp 10 horas left
    VERIFICADO

    Features: - sign up -- potential sign up/sign-in option via Google/Facebook - create invite: what, what, when, where - send/share invitation - recipient receives invite via email and/or text; recipient is prompted to sign in or sign up - recipient gives rsvp response: "yes" or "no", and to post an optional message to a message board - event host and invite recipients can also, ...

    $323 (Avg Bid)
    $323 Oferta Promedio
    39 ofertas

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