Blockchain is a distributed register that is used to maintain a continuously growing list of records, called blocks. It has revolutionary applications in finance (such as cryptocurrencies like Bitcoin) and decentralized applications like online voting.

Zaměstnat Blockchain Developers

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    I have a task related to blockchain using python3 and ubuntu virtual machine to code the program. Anyone can do please bid . No auto bidders Budget is 50 usd

    €42 (Avg Bid)
    €42 Průměr. nabídka
    1 nabídky
    blockchain/ kraken api 6 dní left
    OVĚŘENÉ

    looking for a dev to integrate a crypto withdraw function using kraken api. can also integrate stellar codes

    €566 (Avg Bid)
    €566 Průměr. nabídka
    7 nabídky

    hello i have lose my bitcoin wallet address privet key .and i need my bitcoin wallet address privet key so anybody can get that privet key of my bitcoin. then bid this project

    €2277 (Avg Bid)
    €2277 Průměr. nabídka
    3 nabídky

    I am looking for highest level blockchain developer

    €60242250006912 (Avg Bid)
    €60242250006912 Průměr. nabídka
    7 nabídky

    Hello i need a developer that can develop smart contract for me

    €7380 (Avg Bid)
    €7380 Průměr. nabídka
    26 nabídky
    Basic Ethereum Solidity contract 6 dní left
    OVĚŘENÉ

    I'm looking to have a basic Solidity contract made with the following functionality: - Initialize/create the contract with an array of n authorised addresses, where n is an arbitrary number of Ethereum addresses - The ability for authorised addresses to write an arbitrary string to the contract's event log - The ability for authorised addresses to authorise new addresses

    €180 (Avg Bid)
    €180 Průměr. nabídka
    4 nabídky

    IOS and Android Trust Wallet code link: [pro zobrazení URL se přihlaste] Link of CoreWallet from Crypto Coin: [pro zobrazení URL se přihlaste] The basic manual for compiling and deploying the application for Android and IOS must be prepared Scope: 0. Add the ECOS Coin coin to the wallet portfolio and test the sending and receiving of coins. When you're ready send me the add...

    €1602 (Avg Bid)
    €1602 Průměr. nabídka
    7 nabídky

    I need a well experienced blockchain / defi developer to help plan a decentralized finance system in our team This is not a job about development, this is about planning and writing, advising on direction and core of the system prefer native speaker

    €368 (Avg Bid)
    €368 Průměr. nabídka
    6 nabídky
    block chain 6 dní left
    OVĚŘENÉ

    I need a new website. I need you to design and build it.

    €18054 (Avg Bid)
    €18054 Průměr. nabídka
    11 nabídky

    I need a distributed application (DApp) like TronProfits developed by C# and .Net (a smart contract on TRON network). Descriptions: This application is a multi-level referral system (Pyramid referral marketing). Referral in each level causes the commission to the referrer and the higher levels related to the referrer (With different profit percentages for each top level). However, in this sy...

    €633 - €1265
    Doporučené Zapečetěný
    €633 - €1265
    9 nabídky

    - Fork the latest EOSIO source code - Rewards split 10% to 9-delegators, and 90% to an address - Linux, Windows, Mac Wallets - Add simple token creation feature and token creation web page

    €992 (Avg Bid)
    €992 Průměr. nabídka
    7 nabídky
    Bustabit Predictor -- 2 6 dní left
    OVĚŘENÉ

    Dear Team, Please reffer [pro zobrazení URL se přihlaste] website, we want a predictor which can show green and red prediction or above 2 and Below 2 prediction with 99% accuracy. Compatible with Windows 10 or windows 7 Thanks & Regards

    €734 (Avg Bid)
    €734 Průměr. nabídka
    5 nabídky

    Please do not launch proposals without reading and understanding the entire content of this work! IOS and Android Trust Wallet code link: [pro zobrazení URL se přihlaste] Link of desktop wallet LQX Coin: [pro zobrazení URL se přihlaste] (linux) [pro zobrazení URL se přihlaste] (windows) The basic manual for compiling and deploying the application for Android and IOS must b...

    €193 (Avg Bid)
    €193 Průměr. nabídka
    4 nabídky
    Hyperledger Fabric Expert 6 dní left
    OVĚŘENÉ

    Hello, We are going to build a simple Hyperledger Fabric network. It is not for commercial purpose, a sort of test running. Hope you can also build the frontend part as well. We would only work with an candidate who has extensive experience in building and handling HLF.

    €1101 (Avg Bid)
    €1101 Průměr. nabídka
    10 nabídky

    I want to build a custody system in blockchain

    €2162 (Avg Bid)
    €2162 Průměr. nabídka
    11 nabídky
    Kraken crypto api 5 dní left
    OVĚŘENÉ

    Looking for a dev to complete crypto withdraw using kraken api which is already intergrated into app.

    €180 (Avg Bid)
    €180 Průměr. nabídka
    3 nabídky
    Localbitcons / Paxful type site 5 dní left
    OVĚŘENÉ

    Im looking for a blockchain developer with a paxful / localbitcoins type script or to build a site

    €1000 (Avg Bid)
    €1000 Průměr. nabídka
    22 nabídky

    Hello, I need a website for document verification through Etherium smart contract. The Website should be in Wordpress and the functionality should for the Blockchain part should be a wordpress Plugin. I hava the ready design (very simple) The website should be without registration. Some example of such services are [pro zobrazení URL se přihlaste] [pro zobrazení URL se přihlaste...

    €176 (Avg Bid)
    €176 Průměr. nabídka
    12 nabídky

    Looking to create a prototype pc application under a strict monthly budget. We are a startup company working on a cloud gaming platform, that allows users to play games wherever they want. Our company values people with character; personal integrity and hardworking individuals, exciting etc. We are looking to create a long lasting relationship with a intelligent developer, who will offer front...

    €6 - €19 / hr
    Doporučené Zapečetěný DOM
    €6 - €19 / hr
    6 nabídky

    Anyone having experience in ethereum and solidity language can ping me i have one interesting project.

    €14 (Avg Bid)
    €14 Průměr. nabídka
    3 nabídky

    looking for bitcoin and ethereum trader to help

    €37 (Avg Bid)
    €37 Průměr. nabídka
    3 nabídky
    ERC20 Ethereum Token 5 dní left
    OVĚŘENÉ

    I am looking for someone expert in developer token erc20 on ethereum. I know its easy and quick and will not take much time

    €430 (Avg Bid)
    €430 Průměr. nabídka
    2 nabídky

    We're a crypto start-up looking for a motivated content writer with the knowledge and passion for blockchain technologies, DeFi, crypto investments and all topics related. We are aiming at producing around 6 (4-8) blog pieces a month as well as PR releases. There is a bit of market research involved - but we are happy to help and advise whenever needed. Our product is in the crypto finance/...

    €15 / hr (Avg Bid)
    €15 / hr Průměr. nabídka
    18 nabídky

    i want bitcoin expert to help me in trading

    €143 (Avg Bid)
    €143 Průměr. nabídka
    5 nabídky

    Want to develop a Project on Blockchain Technology (Smart Contract) like [pro zobrazení URL se přihlaste] on DAPP Browser In less time duration on ASP .net C#

    €265 (Avg Bid)
    €265 Průměr. nabídka
    6 nabídky

    I want someone to design a mobile payment application with a website similar to that pf Paytm and Phonepe, with all features.

    €5614 (Avg Bid)
    €5614 Průměr. nabídka
    50 nabídky
    Stellar/blockchain intergration 4 dní left
    OVĚŘENÉ

    developing a crypto exchange. looking for a dev who will perform some key functions like cryptos withdraw and stellar integration. stellar codes is ready and just need to be integrated into app

    €129 (Avg Bid)
    €129 Průměr. nabídka
    6 nabídky

    My platform [pro zobrazení URL se přihlaste] produces and publishes public review and ratings for blockchain companies since 2018. I'm currently looking for a technical / business writer, who is able to write short assays (1000 - 1200 words) according to a layout (+ editing) provided by us. It must contain a brief but comprehensive analysis of a product, a market, a business and a tok...

    €73 (Avg Bid)
    €73 Průměr. nabídka
    27 nabídky

    Need a experienced writer in blockchain for writing a whitepaper on our project.

    €6 / hr (Avg Bid)
    €6 / hr Průměr. nabídka
    12 nabídky
    Need ERC20 Token Expert 4 dní left
    OVĚŘENÉ

    I Need ethereum token expert. who has proper knowledge of erc20 token contract. plus he is good in script or program marker. web3 expert also.

    €17 (Avg Bid)
    €17 Průměr. nabídka
    1 nabídky

    I need you to develop some software for me. I would like this software to be developed using Python.

    €652 (Avg Bid)
    €652 Průměr. nabídka
    5 nabídky
    BTC Recovery 4 dní left
    OVĚŘENÉ

    I need help with recovering my BTC transaction for which reciever says it never got it. I want someone who is expert in blockchain exploring and tracking and can make a track of where exactly the transaction is

    €88 (Avg Bid)
    €88 Průměr. nabídka
    6 nabídky

    I need to run services to provide an cryptocurrency wallet for crypto coin need only to provide BTC ETH XMR DASH and DDKOIN wallet like what exodus , coinbase , trust wallet other wallet in the market. the system have have a security level to product the user wallet account need app for android / iOS. I would like it designed and built. please let me know if you can do this. and please bid if...

    €1443 (Avg Bid)
    €1443 Průměr. nabídka
    9 nabídky

    i want forsage on tron with dapps note: bid if you hve ready made with my budget The program supported by Fors age is flexible, with no time limit, pressure or targets and anyone can work based on their leisure time. Fors age allows users to earn a long-term residual income through a referral system

    €628 (Avg Bid)
    €628 Průměr. nabídka
    1 nabídky

    ETHEREUM BLOCKCHAIN DEVELOPMENT TEAM Good Day, I am in search of a senior and experienced Ethereum Smarts Contract development and DevOps team. I am only interested in hiring a team of technical resources working through a company. I do not hire independent freelancers for enterprise projects. I would like to deploy my own Stablecoin on Ethereum with supplementary Smart Contracts related to th...

    €18 / hr (Avg Bid)
    €18 / hr Průměr. nabídka
    15 nabídky

    Hello i want to start a mlm business in tron coin . For that i need a tron smart contract and a dapp website

    €418 (Avg Bid)
    €418 Průměr. nabídka
    3 nabídky
    blockchain core 3 dní left

    Same core as [pro zobrazení URL se přihlaste] but written by node.js Rules: Decentralised social network same as Instagram What we are expecting Blockchain core Api to integrate the web app : Create Wallet Create transaction Get balance Like interaction We will provide the details once we choose the winner

    €541 (Avg Bid)
    €541 Průměr. nabídka
    9 nabídky

    Inam looking for someone who can make vpn in block chain

    €1322 (Avg Bid)
    €1322 Průměr. nabídka
    5 nabídky

    i have been scammed by a crypto investment scam. would like my money returned

    €1920 (Avg Bid)
    €1920 Průměr. nabídka
    9 nabídky

    Create a mineable coin and develop a staking system where users mine coins and stake for the reward. I'm looking for someone who can create a coin easily.

    €387 (Avg Bid)
    €387 Průměr. nabídka
    5 nabídky

    Patent a business process algorithm for an app; provisional and non-provisional; technology background in social / network app process flow, blockchain experience required. Provisional patent followed by non-provisional patent.

    €3541 (Avg Bid)
    €3541 Průměr. nabídka
    20 nabídky
    blockchain developer 2 dní left
    OVĚŘENÉ

    i am looking for a development team who can work on my blockchain based project it has to setup for wallet integration

    €725 (Avg Bid)
    €725 Průměr. nabídka
    7 nabídky

    I need you to develop some software for me. I would like this software to be developed. Here is a example for you [pro zobrazení URL se přihlaste] Check this website and let me know if you really do that work ASAP.

    €423 (Avg Bid)
    €423 Průměr. nabídka
    3 nabídky

    We need to integrate CCXT or CCXT Pro into our Peatio based crypto exchange. If you have experience in this let us know so we can speak over the details. If you don't have experience then please don't bother and start asking questions only the developer should know. Please. The idea is to run our platform and fetch trades and market data from another exchange. We REQUIRE leverage or F...

    €1252 (Avg Bid)
    €1252 Průměr. nabídka
    6 nabídky

    I'm having an issue with the Official Hedera Hashgraph iOS. It is prompting me to update my keys but the wallet is crashing when I try to export my data. This makes me unable to access the funds through other wallets. Experiencing serious issues with the official Hedera Wallet on both of my phones. I can not currently send any transaction from both wallets, as the app crashes. My idea was...

    €118 (Avg Bid)
    €118 Průměr. nabídka
    3 nabídky
    I need a blockchain developer 1 den left
    OVĚŘENÉ

    Require a blockchain developer to build similar in vein to locktrip - must have blockchain and crypto (tokenisation) experience

    €12952 (Avg Bid)
    €12952 Průměr. nabídka
    47 nabídky

    you need to have experience in writing smart contracts for Etherum you need to be able to create Eth contracts for loans and Flash loans you need to speak English and be very cooperative and responsive you need to be excited about new technology and be a seasoned developer. you need to have an understanding of coding loan contracts. I will discuss this information if you are successful ...

    €36 / hr (Avg Bid)
    €36 / hr Průměr. nabídka
    20 nabídky

    you need to have experience in writing smart contracts for Etherum you need to be able to create Eth contracts for loans and Flash loans you need to speak English and be very cooperative and responsive you need to be excited about new technology and be a seasoned developer. you need to have an understanding of coding loan contracts. I will discuss this information if you are successful quote...

    €17 / hr (Avg Bid)
    €17 / hr Průměr. nabídka
    6 nabídky

    I need an experienced blockchain writer who fully undertands how defi works and looks like. Help me to work out with math equation to calculate the interest, profit, liquadtion and things. I will give some similar project, what you do is to make something kinda relevant, technical about another defi project. I will send you referrence list, up to 21 pages including images. Only bid if you are...

    €194 (Avg Bid)
    €194 Průměr. nabídka
    15 nabídky

    I need an experienced blockchain writer who fully undertands how defi works and looks like. Help me to work out with math equation to calculate the interest, profit, liquadtion and things. I will give some similar project, what you do is to make something kinda relevant, technical about another defi project. I will send you referrence list, up to 21 pages including images. Only bid if you are...

    €182 (Avg Bid)
    €182 Průměr. nabídka
    10 nabídky

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