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 Ethereum Developers

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    19 trabalhos encontrados, preços em EUR
    Mobile Wallet Developer Required 6 dias left
    VERIFICADO

    I want someone who can build a mobile Ethereum wallet and web3 dapp browser like Cipher Browser. You can use the Ethereum Library from [fazer login para ver a URL] I need the apps for IOS and Android. Please bid only if you understand what I need.

    €128 (Avg Bid)
    €128 Média
    5 ofertas

    Sample exchange :: [fazer login para ver a URL], with the following features like investbox, dice, freecoins.

    €1946 (Avg Bid)
    €1946 Média
    8 ofertas

    Hello, This is not for a dapp based blockchain network and crypto coin development but for a private network and private coin. We need a blockchain platform for a testing purpose. It goes like as below.( we welcome any developer who wants to test his/her technical experiments in our testing project) 1. One website with only 2 pages which is almost empty(because this is all for the testing pur...

    €435 (Avg Bid)
    €435 Média
    4 ofertas
    Blockchain Dapp Development 6 dias left
    VERIFICADO

    I would like to create a dapp using Neblio Blockchain testnet to do this, please let me know proposals or any Dapp projects you have worked on in the past.

    €33 / hr (Avg Bid)
    €33 / hr Média
    19 ofertas

    I am looking for solidity smart contract developer having good experience with Progressive JavaScript Framework (Vue.js). It's required to develop a smart contract and integrate it with an open source web-based crypto-wallet and enable the functionalities of web-based crypto wallet. The smart contract will be deployed on Rinkeby test network.

    €301 (Avg Bid)
    €301 Média
    6 ofertas

    We want to make a pilot project and adopt a tokenexchange for enterprise use. Our aim is to evaluate and learn how this goes and need developers who are understanding ICO/STO and can helpnusbwith building a reference token exchange to experiment with and develop it into a future rral project. Scope: identify open source projects to start with. Help with branding hardening and implementing UI Templ...

    €26 / hr (Avg Bid)
    €26 / hr Média
    34 ofertas

    Existing Ruby on rails virtual currency web application needs customisation to incorporate bitcoin and and ethereum wallet capabilities for users.

    €139 (Avg Bid)
    €139 Média
    4 ofertas

    Professional look of Dex like:- [fazer login para ver a URL] All token support of Eth and neo BlockChain Example of exchange :- [fazer login para ver a URL] [fazer login para ver a URL] [fazer login para ver a URL] Let me know if you can help

    €5265 (Avg Bid)
    €5265 Média
    3 ofertas

    ◆ About the item It becomes customization of Ethereum's main chain. ◆ Overview ・ Fixing critical issues (below), incorporating ※ As for the amount of work, it seems to be one to several days. ◆ problem 1. Important issues ・ SafeMath library was not used In transfer / transferFrom function, overflow may occur, It can lead to the loss of all funds 2. Minor issues ・ Constructor name remains d...

    €313 (Avg Bid)
    €313 Média
    7 ofertas

    Looking for a ready-made site. Please let me know. if you Have

    €14241 (Avg Bid)
    €14241 Média
    70 ofertas
    Blockchain Prototype 4 dias left
    VERIFICADO

    We need (1) consultancy service; and (2) prototype development for a Blockchain project. It is not a full fledged platform, it is more a prototype, or a demo version of the platform. The project should include the research covering conceptual and technical aspects, and a prototype to show implementation. The paltform should be desinged for charitable organization to receive/spend funds.

    €3848 (Avg Bid)
    €3848 Média
    43 ofertas

    Hello. i need verified acc on xchange site my info is rejecting with no reason. so i need a guy who are expert in this More info will share via chat Thanks

    €108 (Avg Bid)
    €108 Média
    4 ofertas

    Need a software which can generate unconfirmed Bitcoin transaction without having any Bitcoins in the wallet. Needs to appear to send bitcoins

    €452 (Avg Bid)
    €452 Média
    9 ofertas

    I want to make a script to be able to backtest the profits of buying a basket of cryptocurrencies or index. You must be able to choose start date and end of the backtest, choose between independent currencies or an index such as the top 10 (per marketcap) top 30, top 50, top 100 .... that includes coins that enter and leave the index daily. It must be possible to enter and take into account the e...

    €418 (Avg Bid)
    €418 Média
    7 ofertas

    I am looking for a dev who can clone my existing website on [fazer login para ver a URL], it will be a HTML/CSS/Javascript website.

    €166 (Avg Bid)
    €166 Média
    19 ofertas

    We're looking for tech writer who can help us the web content and white paper for a Ethereum based minable toke. Work with us to bring the project to live. If you know in depth about mining mechanism and ethereum issuing, please let me know. - Tech writer needed from America - Crypto Mining - Ethereum issuance - About 20 pages core content length

    €18 / hr (Avg Bid)
    €18 / hr Média
    29 ofertas

    experience with Truffle Oraclize Ethereum-Bridge Vue.js I just need some details to be fixed and added

    €28 (Avg Bid)
    €28 Média
    3 ofertas

    Looking for someone who will be able to build a custom cryptocurrency on either ethereum or eos.

    €505 (Avg Bid)
    €505 Média
    23 ofertas

    Applying Blockchain/AI to Real Estate Functionality- 1-Tokenization( Buy Property, Liquidate Equity, Sell Property) Tech: Ethereum/Full Stack/AI 2-Title Search from state website and do analytics to give risk score (Data crawling, AI/NLP) 3- Smart Contracts( No middle man between buyer and seller)using Blockchain/Ethereum 4-Marketplace(Owner,Lender,Seller,Investor,Banker, recommendation en...

    €9441 (Avg Bid)
    Destacado ADC
    €9441 Média
    48 ofertas

    Artigos da Comunidade dos Principais Ethereum