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.

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    205 δουλειές που βρέθηκαν, με τιμές EUR
    blockchain dev 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    I want a website, where users can login with their metawallet, and then they see a slider with screenshots of their NFT's

    €1105 (Avg Bid)
    €1105 Μέση Προσφορά
    19 προσφορές
    Crypto currency 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    I need a team or anyone who are experts in building blockchain technology, Payment gateway systems development and a new crypto currency.

    €3396 (Avg Bid)
    €3396 Μέση Προσφορά
    1 προσφορές
    Cardano NFT Marketplace 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    NFT marketplace, front end, back end, plus minting all built on the Cardano blockchain. Similar to CNFT, with the added ability for users to create store fronts like OpenSea. Must also include category filters to allow users to search for NFTS to buy, buy it now and auction options when listing NFTs to sell. FEATURES ----------------------------------------------------- • Storefront • S...

    €4693 (Avg Bid)
    €4693 Μέση Προσφορά
    28 προσφορές

    flutter developer with some basics blockchain knowledge for developing a mobile NFT card game. The description is in the attachment. screen graphics: [κάνε είσοδο για να δεις το URL]

    €4997 (Avg Bid)
    €4997 Μέση Προσφορά
    13 προσφορές

    COMPANY OR TEAM DO NOT APPLY..ONLY INDIVIDUALS ARE WELCOME..WE WANT INDIVIDUAL GUYS IN FULL TIME BASIS FOR A LONG PERIOD. Requirement of a FULL TIME Blockchain developer who have a knowledge in NFT [κάνε είσοδο για να δεις το URL] talking with you and discuss your [κάν&eps...

    €1114 (Avg Bid)
    €1114 Μέση Προσφορά
    4 προσφορές
    Build me a smart contract 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    We need help building a smart contract for NFT's through solidity.

    €148 (Avg Bid)
    €148 Μέση Προσφορά
    17 προσφορές
    Crypto Art - Looking for NFT 3D artists 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Hi there, We are seeking Crypto & NFT 3D artists who can deliver simple but content with a message/story much like this: [κάνε είσοδο για να δεις το URL] Please send your portfolio, a track record working on NFT's or any crypto projects is a bonus.

    €454 (Avg Bid)
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    19 προσφορές
    Review, amend and redeploy a BSC Smart Contract on BSCScan 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    I am taking over the ownership of a token on the BSC Network. I need the existing contract reviewed, amendments made to it, and for it to be redeployed on BSCScan.

    €527 (Avg Bid)
    €527 Μέση Προσφορά
    20 προσφορές

    I need Solidity and ETH chain contract based app. It's for official purpose , I have template and you need built it and New some features and common security

    €2250 (Avg Bid)
    €2250 Μέση Προσφορά
    22 προσφορές

    Hey, guys. I am going to start project on Solana. First step is create new token. I will provide details in PM. Hope to discuss with you. Thanks

    €641 (Avg Bid)
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    7 προσφορές
    Cryptocurrency miner 6 μέρες left

    Looking for personnel with high expertise and experience in the field of cryptocurrency and should mainly have experience in crypto mining involving cryptocurrency mining rigs and knows all about it.

    €1415 (Avg Bid)
    €1415 Μέση Προσφορά
    6 προσφορές
    Exchange Blockchain 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    If it must be a site based on the Blockchain platform and its usefulness is to be an exchange of cryptocurrencies, in addition to it will have deposit and bank withdrawal services from Fiat. A simile to binance but with all the interface in Spanish and also anchored to the liquidity of a large exchange like Binance Sitio web con tecnología blockchain en donde se pueda hacer intercambio d...

    €7941 (Avg Bid)
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    14 προσφορές
    Build me a blockchain 6 μέρες left

    I want to build a crypto currency’s coin And i need a person who can make blockchain and so on

    €462 (Avg Bid)
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    3 προσφορές

    Please apply to this job with the proudest similar projects you worked on before and details what you did on that projects. The DApp should be an online sportsbook that specializes in player prop parlays. Player Props are a certain type of sports betting wager for American football and basketball that allows people to bet on individual player stats within a sports game that are not directly tied...

    €42 / hr (Avg Bid)
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    5 προσφορές
    Blockchain Python 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Hello, Looking for someone to help me come up with a Blockchain project utilizing python and other technologies. Ideally, looking for someone that has done similar projects. If you know Blockchain and Python, please apply.

    €68 (Avg Bid)
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    6 προσφορές

    REQUIREMENTS FOR BOT PROGRAMMING OBJECTIVE The objective of the project consists of the programming of a bot that allows the automatic execution of purchases and sales of cryptocurrencies in different exchanges, through the use of the api keys.- FUNCTIONING 1. First: Once the parameters that will be determined for the execution of the trade operation have been fulfilled, the bot must proceed w...

    €17 / hr (Avg Bid)
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    7 προσφορές
    Crypto mining 6 μέρες left

    I need an urgent freelancer who can work under crypto mining company as a mining agent

    €2821 (Avg Bid)
    €2821 Μέση Προσφορά
    8 προσφορές
    Similar Website Like HEX.COM 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    A want a cryptocurrency staking website similar to [κάνε είσοδο για να δεις το URL] developed.

    €1381 (Avg Bid)
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    27 προσφορές
    €5629 Μέση Προσφορά
    14 προσφορές

    Hello. The app must function on the backend on either ETH, [κάνε είσοδο για να δεις το URL], or a similar blockchain. The Dapp's function is to act as an online (web-based only for this project) portal for the simple and easy transfer of digital currency. The app will be use...

    €32 / hr (Avg Bid)
    €32 / hr Μέση Προσφορά
    5 προσφορές
    Blockchain 6 μέρες left

    I want some to develop a smart contract, token and any other of cryptocurrency

    €582 (Avg Bid)
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    11 προσφορές

    We have a browser online game that we want to put on the blockchain. So we need to integrate metamask/trust wallet, create smart contracts, nft's, minting, token launching etc. We are looking for someone who is able to do it. No time frame to do it.

    €1004 (Avg Bid)
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    9 προσφορές
    Marketing and Launch support for IDO for crypto project -- 2 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    We are building an amazing crypto project Agriculture and Real-estate. It will be a decentralized cross-Chain connectivity. Looking for Blockchain relevant Projects experience and I am looking for a personteam who will support us in public and Private sale through IDO. It includes all marketing support as well. Please reply only if you have relevant experience and knowledge (with description of...

    €865 - €1730
    €865 - €1730
    0 προσφορές

    We have an existing Dapp running on BSC. We need to deploy the same on Cardano testnet and then on main net. It will allow presale creation for any cardano native token. The features of the existing app will be explained. You should be familiar with how Uniswap works. You must know Solidity for understanding Uniswap Code and then change that to Plutus language which is based on Haskell. SO yo...

    €21 / hr (Avg Bid)
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    10 προσφορές
    BLOCKCHAIN SPECIALIST REQUIRED!!!!!!!!!!!!!!!!!!! -- 2 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    BLOCKCHAIN SPECIALIST IS URGENTLY REQUIRED TO HELP IN LAUNCHING FORK CRYPTOCURRENCY FROM MY COMPUTER. WE PAY GOOD MONEY!!! I need to make a fork of the Dash cryptocurrency as soon as possible. Deadline - 3 days

    €1202 (Avg Bid)
    ΣΜΓ
    €1202 Μέση Προσφορά
    3 προσφορές

    Hello. We are looking to do an NFT Series similar to Crypto Punks, Bored Ape Yacth Club and Scared Vampire Series. We are wanting to build out around 150 graphic assets for this project with the main asset being the Mask on the face of the person or avatar. We are looking to produce 10,000 in the first generation of the NFT series. The requirements for this would be the following which need ...

    €19 / hr (Avg Bid)
    €19 / hr Μέση Προσφορά
    4 προσφορές

    I want to build me an exchange which will allow users to allow Crypto trading of various tokens and coins.

    €872 (Avg Bid)
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    6 προσφορές
    Crypto Pancakeswap python blockchain trading bot 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    I am looking for help in creating a trading bot that can 1. check for new tokens/bscscan for new contracts 2. listen for liquidity add events and once triggered audit / honey pot check the contract if buy/sell is possible. 3. Purchase market rate order in a short time frame after liquidity is added. (based on configurable profile of certain amount of BNB 4. automatically sell the token once a c...

    €819 (Avg Bid)
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    23 προσφορές
    Build a smart contract 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    I would like to build a smart contract that rewards holders with bnb. Similar to these: [κάνε είσοδο για να δεις το URL] [κάνε είσοδο για να δεις το URL]

    €381 (Avg Bid)
    €381 Μέση Προσφορά
    17 προσφορές
    Required a Developer Experience in Crypto Currency 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Hi We are looking for a developer to for one our cryptocurrency project. There are two task in it 1. To request token from Air Drop 2. To buy the tokens Should have previous experience in Crypto project. This is a Dapp project.

    €386 (Avg Bid)
    €386 Μέση Προσφορά
    2 προσφορές
    Backend for NFT marketplace needed 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    I want a backend developer to use [κάνε είσοδο για να δεις το URL] as the front end for NFT marketplace along with an administration panel. I have my own Conjee NFT and utility token which the customers will use to mint the NFT. The front end is a fully coded version in HTML, CS...

    €1899 (Avg Bid)
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    33 προσφορές

    Hi I want a website like [κάνε είσοδο για να δεις το URL] which be able mint nft s on ADA networks and build nft s Just experts that know blockchain and crypto payments Thanks

    €1404 (Avg Bid)
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    25 προσφορές

    I am looking for an experienced and professional dev with a track record in blockchain and erc20 projects such as exchanges. Must have skills in: - solidity - ERC20 - Ethereum - Exchanges - ReactJS - Web3 ** This job will need changes to Smart contract, Web3JS and web3 ** I require the following changes to the application: Group Orders together for same price - when user makes order...

    €989 (Avg Bid)
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    35 προσφορές
    Cardano project. 6 μέρες left

    Hello. We need to convert solidity smart contracts to plutus on cardano. So we need to someone who has great experience in solidity and plutus. please only bid if you have experience in solidity and uniswap and plutus.

    €136 / hr (Avg Bid)
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    2 προσφορές

    Hello, We want to have a simple WEB 3 website to organize artists drops of longform generative art. Clients should be able to connect their metamask wallet and mint erc 721 token from the masterpiece. Like this [κάνε είσοδο για να δεις το URL] Please we don t need an nft marketpl...

    €15 / hr (Avg Bid)
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    23 προσφορές

    I need an Android app. I would like it designed and built.

    €588 (Avg Bid)
    €588 Μέση Προσφορά
    13 προσφορές
    Exonoption trade 5 μέρες left

    I'm a manager at Exonoption trade and I need qualified workers,experienced workers

    €119 (Avg Bid)
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    1 προσφορές
    Web NFT development 5 μέρες left

    I would like to find senior Blockchain developer who can reduce my risks. I developed new NFT game but not completed yet. I can not do anything more. So I am just finding new engineer who is familar with Solidity & NFT & Solana. I will send my project and I world like to develop my site in 3 weeks. Best regard.

    €1656 (Avg Bid)
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    6 προσφορές

    We are searching for developer, who is an expert on Ethereum blockchain and Binance Smart Chain. We need a smart contract with the following specifics: 1. Burn enabled (also by sending to zero address) 2. Option to set “manager” address 3. Option to stop token (can only be run by “manager” address) 4. Option to block / unblock funds on a chosen Ethereum address that holds ...

    €2211 (Avg Bid)
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    28 προσφορές

    Hey I need a blockchain Developer which lives in Austria, have very intresting projects, please Contact me

    €1137 (Avg Bid)
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    13 προσφορές
    Dapp Developer 5 μέρες left

    I need a dapp developer for building me a site for more details please contact me

    €2204 (Avg Bid)
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    28 προσφορές

    I need a generative algorithm created for my NFT collection. The program should generate unique looking NFTs while considering rarities and some IF conditions. I also require a full-stack website. The backend needs to have Minting-On-Demand for the NFTs via custom Smart Contract. I also require front-end to be done, but I will providing the UI design, you only need to code it using Javascript, HT...

    €1885 (Avg Bid)
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    42 προσφορές
    NFT ERC721 customized Smart Contract & Website 5 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Hey Developer, We are looking to get a smart contract designed for our upcoming art based NFT project. details are in the attached document All we want from you is a best possible quote from your side, commitment, dedication and best delivery time.

    €1423 (Avg Bid)
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    35 προσφορές

    i want to build uniswap v3 orderbook for all pairs which will be done using latest swap quotes and its data will be updated to rest and websocket api this api when called will return latest unsiwap v3 swap quotes

    €644 (Avg Bid)
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    6 προσφορές
    NFT MARKET 5 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Hello I need to buy an already made nft market, and I am very low on budget. PLease the time has elapsed so don't propose to build from scratch just bid and message me with a demo link. I dont have time to go through bids.

    €576 (Avg Bid)
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    8 προσφορές

    Hello We require 4-5 Blockchain developers with 2 years plus exp for a full time job. The project is generally related with NFT tokens and near to some eCommerce project. The full details of the project will be given after you are selected and you sign NDA and IP with [κάνε είσοδο για να δεις &...

    €1314 (Avg Bid)
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    10 προσφορές

    We need a blockchain developer who knows how to create smart contracts for the nft game economy. eth/bsc We need you to have notions of token mathematics, erc-20, cross-chain, ico/ido, contract staking, security, etc.

    €759 (Avg Bid)
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    26 προσφορές
    Solidity Developer Smart Contracts 5 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    I am looking for a Solidity Developer for Smart Contracts in Binance Smart Chain for Blockchain to create a new token with some features.

    €203 (Avg Bid)
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    31 προσφορές
    Fork a layered farm contract 5 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    I am looking for people to fork a smart contract, which is polypup on polygon. It should include front-end The budget is 500$, and am low on cash.

    €535 (Avg Bid)
    €535 Μέση Προσφορά
    15 προσφορές
    p2p crypto trading Escrow website 5 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    - same exact interface and same functions as [κάνε είσοδο για να δεις το URL] only the P2P trading Escrow part. - website holds Escrow funds until seller Approved he got Paid. - buyer and seller can trade crypto with same options as in c2cbinancecom/en. - website deducts fees fro...

    €2044 (Avg Bid)
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    18 προσφορές

    Κορυφαία Blockchain Άρθρα Κοινότητας