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    2,643 ethereum payment api jobs fundet, i prisklassen EUR
    Document Blockchain smart contract 6 dage left
    VERIFICERET

    ...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

    €623 (Avg Bid)
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    17 bud
    RubyKube Expert 5 dage 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

    €19 / hr (Avg Bid)
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    17 bud

    ...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 content ( SEO

    €1753 (Avg Bid)
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    25 bud

    ...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

    €271 (Avg Bid)
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    34 bud

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

    €489 (Avg Bid)
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    28 bud

    block chain solidity ethereum programming assistance expected

    €265 (Avg Bid)
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    8 bud
    Mobile Apps 4 dage left
    VERIFICERET

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

    €170 (Avg Bid)
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    11 bud
    PRIAM PROJECT 4 dage 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...

    €513 (Avg Bid)
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    9 bud

    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.

    €18 / hr (Avg Bid)
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    8 bud

    integrate ethereum blockchain api for the andorid app

    €222 (Avg Bid)
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    5 bud

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

    €413 (Avg Bid)
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    11 bud

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

    €116 (Avg Bid)
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    3 bud

    ...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

    €41 / hr (Avg Bid)
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    81 bud

    Create a Unity web application with Deposit and Withdraw function integrated with Metamask using Ethereum(Like how Metamask is integrated with [log ind for at se 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

    €725 (Avg Bid)
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    16 bud

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

    €551 (Avg Bid)
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    12 bud

    We are looking for a developer that can work i...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.

    €513 (Avg Bid)
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    24 bud

    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.

    €490 (Avg Bid)
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    2 bud

    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.

    €74 / hr (Avg Bid)
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    4 bud

    Create a complete Cryptocurrency comparison website starting with 2 coins ( Ethereum and Bitcoin ) Same function as [log ind for at se URL] Or [log ind for at se 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

    €4279 (Avg Bid)
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    40 bud

    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.

    €12 / hr (Avg Bid)
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    3 bud

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

    €99 (Avg Bid)
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    1 bud

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

    €23 (Avg Bid)
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    2 bud

    Ищем: Middle PHP Developer Приветствуется: English, Laravel framework, Linux shell, git, [log ind for at se URL], cryptocurrencies RPC API, Ethereum

    €6382 (Avg Bid)
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    57 bud

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

    €486 (Avg Bid)
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    30 bud
    desktop dev needed Udløbet 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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    38 bud

    ...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 [log ind for at se URL] will allow you to find some of the companies I need, however there should

    €35 (Avg Bid)
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    9 bud

    ...verification. After that page he writes and verifies his other social profiles like twitter, facebook, telegram, twitter, Instagram, VK, reddit, g+, youtube, medium (some may not have api to verify).after that page he enters his address. for all information we have a verification method, like for address user uploads his utility bill like electricity bill. those

    €5 / hr (Avg Bid)
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    8 bud

    ...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

    €4798 (Avg Bid)
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    26 bud

    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.

    €208 (Avg Bid)
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    8 bud
    New crypto currency Udløbet 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

    €4893 (Avg Bid)
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    39 bud

    ...Full-Stack Developer, who knows for sure how to use Ethereum and Blockchain. He should to develop the website (according to ready framework) for online bettings with usage of cryptocurrency and connect all needed API. Requirements: -Experience with PHP, SQL, HTML -Good knowledge and experience with Ethereum If you have such experience, please make your

    €1347 (Avg Bid)
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    18 bud

    ...using crypto currency. For the development of the web site with Ethereum technology, we are looking for Full-Stack Developer, who has experience with crypto currency and knowledge of Ethereum use. Requirements: -Experience with PHP, SQL, HTML -Very good knowledge and experience with Ethereum and cryptocurrency -Intention to result, positive thinking,

    €1154 (Avg Bid)
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    37 bud

    i want claymore ethereum miner set with my wallet as a developer fee and i need to can change devfee wallet by myself .hashrate need to be tested ..i want expert programmer

    €9 - €26
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    0 bud

    ...integrate unique user id registration system for cryptocurrency ico wordpress site. While registering, user has to fill following data: [log ind for at se URL] NAME [log ind for at se URL] NAME [log ind for at se URL] ID 4.ETHEREUM WALLET ADDRESS [log ind for at se URL] [log ind for at se URL] PASSWORD [log ind for at se URL] AND CONDITION TICK where, wallet address will be like uniqu...

    €142 (Avg Bid)
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    19 bud

    android app for p2p purchase of bitcoin and other altcoins like ethereum through imps bank transfer paypal paytm payeer from India with simple and easy to use user interface

    €297 (Avg Bid)
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    6 bud

    This is for ethereum private keys job as agreed.

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    1 bud

    ...onion/Tochka/tochka-free-market [log ind for at se URL] [log ind for at se URL] The order is as followed abow, the market - payment gate - contracts Everything must work when tested before i will release the payment...deposit bitcoins - using the market, etc, databases must be correctly

    €138 (Avg Bid)
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    8 bud

    We are looking for a Full Stack engineer with experience in a Blockchain technology. Essential Skills: · ...experience in Crypto Currencies and Blockchain Technology BTC/LTC/ETH/DASH etc. · Databases (Postgresql, Redis) · NodeJs, ES6, REST API · Microservices · Dockers · Crypto currency Bitcore, Bcoin, Web3j, Solidity · Ethereum Smar...

    €539 (Avg Bid)
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    38 bud

    I need basic internet research done providing 2 pages of links to ICO websites who have developed user-friendly payment interfaces that make it easy for cryptocurrency beginners to buy in with cryptocurrency, OR with normal currency (e.g. PayPal, Visa, Mastercard). I need examples of ICO’s who have made this easy for beginners to buy into. To guide

    €239 (Avg Bid)
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    14 bud

    ...provides links to website builders (e.g. Wix, Weebly) but only ones that allow one to build an online shopping website that accepts all major cryptocurrencies (e.g. Bitcoin, Ethereum, etc). You must clearly show how much commission I will be charged if my customer buys with Cryptocurrency. - 2nd page should provide examples of shopping sites that have

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    6 bud
    blockchain robotics Udløbet left

    i need a freelancer with Knowhow over blockchain , Ethereum, EthereumJ, Smart-contracts video production

    €652 (Avg Bid)
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    22 bud

    ...integration of cryptocurrency ( Ethereum for start) -When 50% of the viewer valide the challenge fund are released to the player (to the etereum adress) -Register with facebook -Register as "Player" or "Challenger" (Challenger can't stream) Easy job for good worker, the only hard part is the integration of ethereum for paiement. Short job but can

    €329 (Avg Bid)
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    Setup IPFS server Udløbet left

    ...access, limit storage for desired users. User authentication with Ethereum address and public key signature. Configuration is made manually. Requirements: VPS running Linux and IPFS daemon. 1 TB storage or higher. Cloudflare or another DDOS protection. Service gives HTTP POST API. API includes: “put”, “get” and “delete” functions. Each ...

    €454 (Avg Bid)
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    7 bud

    We are trying to develop a website where users can play games using crypto currencies BTC, Ethereum & a ERC-20 token We need total 5 games 1. roulette 2. black jack 3. head / tails 4. poker 5. slots games only on website no app required as of now project to be completed within 18-20 days.

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    16 bud

    I bought a cool dashboard template and I need to put together an app based on the blocks contained in the template enhancing usability and UX, but also keepi...so there is room for a long term collaboration for the right person, who is available, indipendent and talented. Preferable is also experience in integrating [log ind for at se URL] API and ethereum w3.js.

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    Características del tablero: Múltiples criptomonedas y dinero fiduciario Bitcoin, Ethereum, Bitcoin Cash, Litecoin, Ethereum Classic, Zcash, Stellar, tarjeta de crédito y transferencias bancarias, cupones WEX. KYC La solución con un rol de cumplimiento en CMS permite validar la identidad de sus patrocinadores para evitar problemas legales. Fácil de

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    B2G (bitcoin second generation) is a new coin basically using ethereum code with a few minor adjustments. here is site and technical white paper: [log ind for at se URL] [log ind for at se URL] here is the wallet which is exactly the same as [log ind for at se URL] (open source github) with a few minor adjustments:

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    B2G (bitcoin second generation) is a new coin basically using ethereum code with a few minor adjustments. here is site and technical white paper: [log ind for at se URL] [log ind for at se URL] here is the wallet which is exactly the same as [log ind for at se URL] (open source github) with a few minor adjustments:

    €1850 (Avg Bid)
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    There is a bug in existing Ethereum Dapps and I want someone to fix it. I am looking for someone who have experience in Ethereum + solidity + [log ind for at se URL] + javascript + HTML + node.js, and have used Ganache for local development of blockchain dapps. For timeline, I need it to be done within 3 days. My budget is limited so the lower the bid, the higher

    €115 (Avg Bid)
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    14 bud