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    2,672 blockcypher ethereum travaux trouvés au tarif de EUR
    PRIAM PROJECT S'est terminé left

    Blockchain, Solidity, Ethereum, hyperledger, Javascript, JSON, WEB3 * Freelance * 300 à 500€/J * PRIAM est une société de conseil spécialisée en blockchain. Afin de pouvoir répondre à une demande croissante de Proof of Concept, nous cherchons un développeur qui pourrait assister sur l'étude d’application de l...

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    8 offres

    ...50 mots minimum par sujet (2500 mots au total) dans un forum dédié au Bitcoin et aux crypto monnaies. Les sujets devront porter sur les crypto monnaies (Bitcoin, Litecoin, Ethereum, etc.), les Exchanges (Coinbase, Binance, etc.), le stockage (Ledger Nano, Trezor, etc.), les dernières news, etc. Je n'impose pas les sujets, il faut simplement qu'ils soient

    €70 (Avg Bid)
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    16 offres

    Poster dans un forum crypto-monnaies sur des topics divers (bitcoin, ethereum, minage, stockage, etc.).

    €40 (Avg Bid)
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    8 offres

    Bonjour, Je suis à la recherche d'un développeur qui sera mettre en place un script, pour augmenter le hashrate de mes équipement (mineur avec carte graphique RX570, P106-100 ...)

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    Nous souhaitons créer un cryptocurrency de communauté. Basé sur la blockchain ethereum. Intégration market... Nous consulter pour plus d'informations

    €429 (Avg Bid)
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    2 offres

    ...Pool - Création de site internet - Création C++ Notre projet consiste à mettre en place des Pools dans les crypto que nous minons actuellement. A savoir : - Ethereum - Ethereum Classic - Expanse - Pascalcoin - SIACoin - Decred - Monero - LBRY - Zcash - Dash Nous souhaiterions une interface équivalente à " [se connecter po...

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    ...issue des librairies citées ci-dessous : #Liens GitHub : Coinbase => [se connecter pour voir l'URL] #Liens API : Coinbase => [se connecter pour voir l'URL] BlockCypher => [se connecter pour voir l'URL] En fonction des modules a mettre en place et de votre intérêt merci de me contacter afin qu’éventuellement je vous comm...

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    7 offres

    ...issue des librairies citées ci-dessous : #Liens GitHub : Coinbase => [se connecter pour voir l'URL] #Liens API : Coinbase => [se connecter pour voir l'URL] BlockCypher => [se connecter pour voir l'URL] En fonction des modules a mettre en place et de votre intérêt merci de me contacter afin qu’éventuellement je vous comm...

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    Build An Ethereum DAPP 6 jours left
    VERIFIÉ

    If you can develop on ethereum blockchain fine if not do not bid

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    Website will monitor via API from each individual exchange (NOT Coinmarketcap) a) changes (1d, 7d, 30d) balance of specific wallets Bitcoin ([se connecter pour voir l'URL]), Ethereum ([se connecter pour voir l'URL]) and Tether (Omni Explorer) b) compare prices of BTC: Binance, Bitfinex, Coinbase (real time) c) display total USD on each wallet (balance * coins price on Coinbase) d...

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    22 offres

    We are looking for a Software Engineer, familiar working with Blockchain (Ethereum) to take responsibility for developing cutting edge DApps. Requirements - Responsible for the development of new Blockchain based solutions as well as smart contracts (Ethereum). - Create tests to accompany produced code. - Write code with security and resiliency

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    24 offres

    ...of works to promote the project in Chinese market. We are looking for a candidate who is willing to get a monthly salary + bonuses for the result. Our project is based on Ethereum cryptocurrency and is a financial instrument built on smart contracts, which may be the reason for the restriction of its advertising in China. We offer the applicant to

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    ...blockchain package comprises of a third-generation blockchain, smart contracts virtual machine, and DAPP store, that vastly outperforms current industry leaders such as Bitcoin, Ethereum, and Ripple. With mention from the World Economic Forum and European Union, Yetta is establishing itself as an emerging leader in the blockchain space. We are currently looking

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    27 offres

    Create ICO on Ethereum platform We want to launch the integration of ICO and wallet.  ETH-based smart contract with specified attributes Development of an ERC20 token based on Ethereum. Launch ICO (HOME, WHITEPAPER, ROADMAP, EXPLORER, BALANCE CHECKER LINKS, NEWS, CONTACTS, WALLET, PROJECT ENVIRONMENT, COIN STRATEGY Buy coins, .........) Countdown. Round

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    Ich suche einen Ethereum-Developer der Interesse an einer langfristiger Zusammenarbeit hat. Ziel der Partnerschaft ist der Aufbau eines Full-Service-Providers im Bereich ICO.

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    Trophy icon App idea illustration image 2 jours left

    An app that lets you choose how much of your bank account balance you want to save (inves...lets you choose how much of your bank account balance you want to save (invest) with one quick slide (up and down) and shows your various balances (some USD, CHF, Bitcoin, Ethereum) and your savings rate and income per month. See image for better understanding.

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    Garanti
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    6 propositions

    Hello I am looking to get my Ethereum Smart Contract to get Audited from Some Blockchain Security Expert

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    23 offres

    I need to a contract workflow created in the NodeJs that will be integrated into word press Realestate state. ...project as the first of number of projects and the start of a long and meaningful relationship. You must be able to show me from past work you have worked and delivered ethereum and solidity based projects or you will not be considered.

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    This project involves producing a small system to run contracts in a batch setting. Key skills are - 1. Solidity, programming, Remix testing 2. Ethereum, public network, etherscan, metamask, myetherwallet 3. Ubuntu 16.04 4. backend language - eg node.js The role requires that a program is signed offline and then broadcast. Therefore a batch program

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    Senior Blockchain Engineer 2 jours left
    VERIFIÉ

    KEY SKILLS AND EXPERIENCE • Hands-on experience developing proof-of- concepts and pilots in at least one of the blockchain platforms - Ethereum, Hyperledger, Multi-chain. • Experience in Open source tools and technologies Understanding of Bitcoin or other crypto currencies • Understanding of various distributed consensus methodologies (Mining, PoS,

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    ...only by determined users and all the users will be able to know, who has access the files and when and if the file has been changed. Also, the files have to be encrypted. Ethereum blockchain or other opensource software can be used for the project. As much code used from opensource solutions it will be better. The block needs the following data: file_id

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    I need some changes to an existing website. I already have a design, I just need you to implement payment function from blockcypher into my php website. ( accept bitcoin payment)

    PHP
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    RubyKube Expert 1 jour left

    I have a private blockchain, forked from Ethereum, with our own tokens, smart contracts, wallets etc. Now I would like to launch our own exchange, including our own tokens, as well as traditional cryptoassets (btc, eth, ltc, etc) with different currency pairs. I'm looking for an expert in RubyKube to help us build and deploy a crypto exchange based

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    ...and then they can invest their money in to Coin Reward Program to generate handsome profit daily basis until they want. We will use Cryptocurrency like Bitcoin, Litecoin, Ethereum and Bitcoin cash as our payment gateway. What we need ? 1. Totally unique and professional website design ( SEO friendly ) 2. Bugs free website development 3. Full website

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    ...when Ico opens. They will need this code to buy coins in the ico when it is live. when the ico is live they will be asked to enter the code and from their they can buy with ethereum or bitcoin. Once they have bought coins they amount they have bought will show in their member area and I will be able to see how many in my admin area and send the amount

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    I need to build a blockchain wallet something like Metamask or the Ethereum wallet

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    Mobile Apps S'est terminé left

    1) Need Hybrid mobile apps for below wallet [IOS and Android]. a) Bitcoin Wallet b) Ethereum Wallet c) Litecoin Wallet d) XRP Wallet [Ripple]

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    Solidity Developer S'est terminé left

    Task - 1. Code a smart contract in solidity 2. The contract will transfer funds from Alice to Bob 3. Testing via remix. Skillset - 1. Metamask 2. Remix 3. Solidity 4. Ethereum (Public network) All the work is in remix for this task.

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    integrate ethereum blockchain api for the andorid app

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    5 offres

    I need a wallet app built for both android and iOS that supports bit coin,ethereum and erc20

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    12 offres

    We have developed a Smart Contract & want to get it Audited & also need some security advice regarding the whole ICO process

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    4 offres

    ...knowledge and 3+ years of daily experience working with Angular, Node, Web3 - (Solidity a plus). Native/fluent English speaker. We have a basic e-commerce app, built on the Ethereum blockchain, which we are continuing to develop. Show how you have used Angular, Node, and Web3 recently. We need someone who can successfully navigate challenges, handling

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    Create a Unity web application with Deposit and Withdraw function integrated with Metamask using Ethereum(Like how Metamask is integrated with [se connecter pour voir l'URL]) that should look like this: 1. Go to website 2. Unity Web loads on the website 3. Interface showing available ETH balance, deposit button and withdraw button 4. Clicking Deposit will

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    Looking for someone that has experience with developing DApps or Ethereum Smart Contracts. More info will be provided to the shortlisted developers.

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    Ethereum web3js development S'est terminé left

    We are...has experience with web3js. You will be responsible for writing an js application that interacts with the Ethereum node and sends JSON data to a Rest API when a new block becomes available on the network. You will be given access to a an Ethereum node if you do not have your own to develop on. You will NOT be required to develop the Rest API.

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    people watch advertisement and than they can spin the wheel to gain some iota. So you will manage that I get money/bitcoins when user watched advertisement and pay them bitcoins or and IOTA which they earned by spinning the wheel.

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    people watch advertisement and than they can spin the wheel to gain some iota. So you will manage that I get money when user watched advertisement and pay them iota which they earned by spinning the wheel.

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    Create a complete Cryptocurrency comparison website starting with 2 coins ( Ethereum and Bitcoin ) Same function as [se connecter pour voir l'URL] Or [se connecter pour voir l'URL] Should be able to filter on different methods such as payment and country. People should be able to write reviews. File uploaded is an idea

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    It's a game. Spin the wheel and gain iota. After that you see advertisement. The software shall share the earned money of watched ads. The people should get paid by iota and bitcoin.

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    I want a preatty same app for the "free ethereum spinner" but for iota.

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    1 offres

    I want a preatty same app for the "free ethereum spinner" but for iota.

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    2 offres
    Middle PHP Developer S'est terminé left

    Ищем: Middle PHP Developer Приветствуется: English, Laravel framework, Linux shell, git, [se connecter pour voir l'URL], cryptocurrencies RPC API, Ethereum

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    I am looking for Ethereum Smart Contract Developer to work with us on project. More details to the shortlisted developer

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    30 offres
    desktop dev needed S'est terminé left

    Looking for a dev with deep knowledge and e...a dev with deep knowledge and experience with Angular, Node, Web3 - (Solidity a plus). Must be native/fluent English speaker. We have a basic e-commerce app, built on the Ethereum blockchain, which we are continuing to develop. <<< When applying for this project, include your CV and/or code samples. >>>

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    ...of all companies that launched ICOs in the UK with date and how much they have raised. The list should contain Name, ICO end date, Amount raised, Blockchain platform used (Ethereum for example). I started doing some research and a website like this one [se connecter pour voir l'URL] will allow you to find some of the companies I need, however there should

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    ...com/developers state. this social network will have an api which shares user data like ''login with facebook'' button does. for example I am a website which requires name, surname, ethereum address, twitter username, passport during registration, those information are already in database of X, so developer puts a ''Sign up with X'' button there an...

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    Initial Coin Offering Launch S'est terminé left

    ...people agree. Ethereum smart contracts can create and manage assets — both tangible and intangible. Provide utility to other contracts. Store information about an application. Ethereum functions through a proof-of-work consensus. Ethereum is Turing-Complete. MULTI CURRENCY WALLETS/FIAT Although most ICOs only allow funding through Ethereum, Our solution

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    Rc20 contract in ethereum S'est terminé left

    Hello, I want to create a token in rc20 that is verified in etherscan, the contract has to have option to send and receive the created token.

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    New crypto currency S'est terminé left

    ...with the following features: No Mining Fast Transactions (almost instant) No Mining Free Transactions Ability to create tokens like erc20 tokens by ethereum ability to create smart contracts like ethereum I will need a well designed wallet for the new crypto currency I will need a block explorer created I will need technical write up for white paper

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