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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    Portál [pro zobrazení URL se přihlaste] se věnuje popularizaci a možnostem praktického využití decentralizovaných technologií. Aktuálně hledáme lektora na vytvoření 8 lekcí angličtiny v online eLearningovém systému se zaměřením na decentralizované technologie.

    €198 (Avg Bid)
    €198 Průměr. nabídka
    1 nabídky

    Estou precisando criar meu projeto baseado exatamente na natureza do NFT Game Axie Infinity, para tanto, preciso montar minha NFT e sistema de BREED, assim como o TOKEN, da mesma forma que eles, usando o mesmo código, no entanto, quem terá o controle será minha empresa. Usaremos a plataforma Blockachain da Ethereum ERC-20 tal qual a Axie Infinity. Os códigos fontes es...

    €1253 - €2507
    €1253 - €2507
    0 nabídky
    Invest. Ethereum -- 2 6 dní left
    OVĚŘENÉ

    Dear, I'm thinking to start an investment in cryptocurrency. So i will need someone who can grant me ethereum this days. if you're interesting please contact me asap. Thank you

    €529 (Avg Bid)
    €529 Průměr. nabídka
    3 nabídky

    Putting Land Registries on the Blockchain Blockchain provides a potential solution for many of the challenges of land registration. This use case for blockchain extends beyond a pure database, leveraging the opportunity to create a permanent, unbreakable record of ownership for land or real estate. The simplest implementation of a blockchain-based land registry could enable the ownership documents...

    €1775 (Avg Bid)
    €1775 Průměr. nabídka
    4 nabídky

    Hello, We’re looking to build a perpetual swaps market on Solana and also yield farming like Raydium but with an extra feature to the fusion pool I can explain more in detail regarding matching collateral with other peers in the network to share rewards.

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

    I have a finished Solidity smart contract that taxes every transaction 4%. 2% burn, 2% reward. I need to have the contract modified so that the tax and burn functions stop when the total supply of the coin reaches 100 million. This is not a big project, it only requires adding one single function to the already existing code. Should be a quick project for the Solidity professionals.

    €25 - €209
    €25 - €209
    0 nabídky
    Invest. Ethereum 6 dní left
    OVĚŘENÉ

    Dear, I'm thinking to start an investment in cryptocurrency. So i will need someone who can bring me ethereum this days. if you're interesting please contact me asap. Thank you

    €996 (Avg Bid)
    €996 Průměr. nabídka
    2 nabídky

    WE APPRECIATE IF YOU READ BEST BEFORE YOU BID. OUR BUDGET IS FIXED. AND IF WE DEAL WITH A PROFESSIONAL THIS PROJECT SHOULD BE READY IN 30 MINUTES!!! ITS PURELY CONSULTANCY, ADVICE We are in the process of assessing the feasibility of building a crypto-token. This token shall have a few basic functions. We need consultancy and advice on what framework best suites our desired functionality. Thi...

    €148 (Avg Bid)
    Doporučené
    €148 Průměr. nabídka
    5 nabídky
    SMART CONTRACT 6 dní left

    Checking a smart contract for Yield Farming project!

    €140 (Avg Bid)
    €140 Průměr. nabídka
    1 nabídky

    Looking for someone with cryptography experience to create a lightweight GoLang library of functions to encrypt a data set and provide proof of contents of encrypted data.

    €418 (Avg Bid)
    €418 Průměr. nabídka
    1 nabídky

    I am looking for a blockchain developer who is experienced with Bitcoin and C++. It will be the ongoing job (more than 1 year) if it goes well. Need to make some changes in existing blockchain that was created by forking Bitcoin. Need to start ASAP. Will share the details to the shortlisted candidates.

    €1063 (Avg Bid)
    €1063 Průměr. nabídka
    10 nabídky
    Smart Contract -- 2 6 dní left
    OVĚŘENÉ

    I want someone who's experienced in writing smart contracts using solidity programming languages I already have the smart contract but i want to do some improvement on it DAPPS, smart contract, ERC721

    €8 (Avg Bid)
    €8 Průměr. nabídka
    2 nabídky
    Software for bitcoin flashing 6 dní left
    OVĚŘENÉ

    Mobile app project description BLOCKCHAIN BITCOIN FLASHING SOFTWARE REQUIREMENTS; I am looking for a developer who can develop BITCOIN Flashing software. With this software I will be able to do the following; 1. Should be able to work and upload with a bitcoin wallet having zero current balance. 2. Any uploaded bitcoins should be transferable up to five wallets (wallet to wallet). 3. The uploa...

    €699 (Avg Bid)
    €699 Průměr. nabídka
    7 nabídky
    NFT Marketplace Website 6 dní left
    OVĚŘENÉ

    looking expert only for NFT Marketplace Website. let discuss over chat

    €2830 (Avg Bid)
    €2830 Průměr. nabídka
    6 nabídky

    Hello, I forked BSC NFT marketplace from open source project, And I need a small fix eg. connecting my smart contract, routing and connecting errors. Launch the dapp to testnet. We need expert in blockchain. Please check the Dapp Waiting for your DM [pro zobrazení URL se přihlaste]

    €125 (Avg Bid)
    Neodkladné
    €125 Průměr. nabídka
    4 nabídky

    Need to work in tron MLM project where smart contract and static UI is already there. Need integration of both.

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

    Looking for a Blockchain Developer to help build a project based on blockchain and eth.

    €38 / hr (Avg Bid)
    €38 / hr Průměr. nabídka
    14 nabídky

    Looking for someone to create a clean, easy to use web3 interactive website with yield farming/staking as well as a decentralized exchange similar to uni/pancakeswap. We have yield farming contracts done already. Looking for quality work delivered quickly. Bid accordingly.

    €2558 (Avg Bid)
    €2558 Průměr. nabídka
    21 nabídky

    We need an EXPERIENCED ICO writer who can write an in-depth whitepaper for a P2P crypto exchange project. All HTML work completed and we have much related materials for you to use. Backend in [pro zobrazení URL se přihlaste] is [pro zobrazení URL se přihlaste] token has been created. Some requirements: [pro zobrazení URL se přihlaste] be 30-40 pages (5000-7000 words) [pr...

    €251 (Avg Bid)
    €251 Průměr. nabídka
    17 nabídky

    We are a starting business called PayrLink and looking for a frontend expert who has skills in both React.js and Blockchain ([pro zobrazení URL se přihlaste]). We are going to launch a new website using React.js and [pro zobrazení URL se přihlaste], which will interact with our Smart Contract. We already have design. (5 pages) You will join our team as a long-term job.

    €595 (Avg Bid)
    €595 Průměr. nabídka
    23 nabídky

    We are looking for an experienced web designer/blockchain developer. Our team is looking to create a digital crypto wallet for people to store, buy/sell, and exchange cryptocurrency. We can explain further over a zoom call. We look forward to working with you.

    €384 (Avg Bid)
    €384 Průměr. nabídka
    3 nabídky

    Bep-20 token (binance chain) that take a 10% of each transaction on pancakeswap and for every transaction wallet to wallet. (BUY, SELL, SEND). This is a simple project, hope the one who work with us, will be contracted for some more projects.

    €153 (Avg Bid)
    €153 Průměr. nabídka
    3 nabídky

    Need to build an defi site like pancakeswap. use Binance smart chain. include writing a smart contract. we need in 30-45 days. [pro zobrazení URL se přihlaste]

    €3690 (Avg Bid)
    DOM
    €3690 Průměr. nabídka
    6 nabídky

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

    €1450 (Avg Bid)
    €1450 Průměr. nabídka
    47 nabídky
    Crypto Coin Tool 7 hodiny left

    Require developer who can develop crypto coin, exchange, p2p platform. Crypto currency coin can be API with blockchain and related wallets It should be completed in given time

    €2608 (Avg Bid)
    Neodkladné
    €2608 Průměr. nabídka
    5 nabídky
    Ethereum mining pool -- 2 6 dní left
    OVĚŘENÉ

    Need someone to teach me to build an Ethereum mining pool on ubuntu.

    €25 - €209
    €25 - €209
    0 nabídky

    Hi, I just checked your profile and very interested in. Let's discuss more details about the project.

    €13 - €21 / hr
    €13 - €21 / hr
    0 nabídky

    We are looking for an established company for a smart contract audit written with solidity. A PDF report is mandatory as outcome, while presentation/video on company website is a big plus. If satisfied by the result more project will be proposed

    €497 (Avg Bid)
    €497 Průměr. nabídka
    7 nabídky

    We are listing NFTS on opensea and need ERC721 coding. If your interested let me know!

    €251 (Avg Bid)
    €251 Průměr. nabídka
    2 nabídky

    Hello, I'm looking for a team to help with coding my business into blockchain (fork of BSC or ETH). It's going to be linking a website to an NFT marketplace along with a governance token and mobile app together with interactive features that connect with the marketplace/blockchain. NFT Marketplace like RARIBLE, OpenSea, etc. I have a budget of $2500 USD right now. Let me know if we can w...

    €2426 (Avg Bid)
    €2426 Průměr. nabídka
    13 nabídky

    I need a Smart Contract on BSC. I have the specifications.

    €406 (Avg Bid)
    €406 Průměr. nabídka
    9 nabídky

    I'm a lead developer of a new blockchain development project and looking for a solidity/smart contract expert now. It's MVP and can be continued to full version in the future. - Must have strong experience with Smart Contract - Must have strong experience with forking token Applier have to show some examples of forking token he/she did before. Main purpose of this project is forking toke...

    €28 / hr (Avg Bid)
    €28 / hr Průměr. nabídka
    9 nabídky

    I want to create a custom Cosmos interoperable blockchain using the Cosmos SDK [pro zobrazení URL se přihlaste]

    €4178 (Avg Bid)
    €4178 Průměr. nabídka
    3 nabídky

    This website must have: - Game (game + relevant Admin Panel data + provably fair) - Deposit and withdraw (Bitcoin + Welcome Bonus) - Affiliates (Invite users for % of commission with affiliate code/link) - Level up (levels up the user and users receive rewards) - Chat (including moderators) - etc Message me for more information including document with the features + requirements, images ...

    €53414 (Avg Bid)
    €53414 Průměr. nabídka
    11 nabídky

    Signal Automation for both Web and iOS through web/app scraping. Buy and Sell Automation UI Creation

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

    A rating content webapp, users can share content and other users will rate the content. Its all done in virual worlds with planets named after rating categories... Users will travel through space visitng planets, these planets have virtual stores, lands and buildings for sale, rent and lease to users. Spaceships for navigation, payments and rewards are made by crypto coins...

    €6545 (Avg Bid)
    DOM
    €6545 Průměr. nabídka
    9 nabídky
    Blockchain developer 5 dní left
    OVĚŘENÉ

    Hi, I'm looking for a blockchain developer who can help us to create our own tokens

    €42 / hr (Avg Bid)
    €42 / hr Průměr. nabídka
    6 nabídky
    Asset Tokenization MarketPlace 5 dní left
    OVĚŘENÉ

    We're looking for developer with experience with different blockchains. We are building a marketplace for assets. We are looking into building on Etheruem, WAX, FLOW, Tezos, etc. We are weighing the pros/cons of each blockchain. Our optimal goal for our marketplace is strong UI/UX as current marketplaces are clunky. Secondly, we're looking into other blockchains or "lazy minting&quo...

    €286 (Avg Bid)
    €286 Průměr. nabídka
    4 nabídky

    Basically I need you to develop a simple blockchain app or website using Ethereum smart contract. The main idea of this app is to develop transparent and authentication system that is fully focused on supply chain . We don't need a high end app or so, just a simple app for final year project with indepth explanation about the source code of the app and how it works after you have successfully...

    €17 - €139
    €17 - €139
    0 nabídky

    I'm a lead developer of a new blockchain development project and looking for a solidity/smart contract expert now. It's MVP and can be continued to full version in the future. - Must have strong experience with Smart Contract - Must have strong experience with forking token Applier have to show some examples of forking token he/she did before. Main purpose of this project is forking toke...

    €34 / hr (Avg Bid)
    €34 / hr Průměr. nabídka
    12 nabídky

    need a block chain developer for new project

    €222 (Avg Bid)
    €222 Průměr. nabídka
    10 nabídky

    I have a Solidity smart contract that taxes every transaction 4%. 2% burn, 2% reward. I need to have the contract modified so that the tax and burn functions stop when the total supply of the coin reaches 100 million. Should be a quick project for the Solidity professionals.

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

    I'm looking for someone to create 1:1 BSC project like this one: [pro zobrazení URL se přihlaste] [pro zobrazení URL se přihlaste]

    €595 (Avg Bid)
    €595 Průměr. nabídka
    12 nabídky

    Hello Need the following completed. Most of this should be easy for the right developer as it involves cloning and forking on Ethereum. Ultimately need a master coin to be listed on exchange and then able to offer customised tokens (Binance/Ethereum) to clients to acquire, brand them, use as payment solution (for merchandise, tickets, concessions) and also invest in. Need also a NFT marketplace t...

    €3521 (Avg Bid)
    €3521 Průměr. nabídka
    7 nabídky

    I have a Solidity smart contract that taxes every transaction 4%. 2% burn, 2% reward. I need to have the contract modified so that the tax and burn functions stop when the total supply of the coin reaches 100 million. Should be a quick project for the Solidity professionals.

    €42 (Avg Bid)
    €42 Průměr. nabídka
    1 nabídky
    ico blockchain 5 dní left
    OVĚŘENÉ

    Ayuda para crear criptomoneda o token e ico Solo gente que habla castellano Gracias saludos

    €175 (Avg Bid)
    €175 Průměr. nabídka
    9 nabídky
    blockchain bsc defi token 5 dní left
    OVĚŘENÉ

    looking for a dev to write a contract on bsc chain ... he has to got experience with the tokenomics also and be able to launch the coin!

    €373 (Avg Bid)
    €373 Průměr. nabídka
    8 nabídky

    Hello I need a code for my smart contract erc20 which allows trading and sending of tokens only for 10 selected wallets. After 18 months trading and sending should be fully available. I want to use justswap

    €362 (Avg Bid)
    €362 Průměr. nabídka
    3 nabídky

    i want to have my own crypto currency

    €1198 (Avg Bid)
    €1198 Průměr. nabídka
    3 nabídky

    I'm looking for someone to build a Dapp using Binance Smart Chain. It's essentially an NFT marketplace with a few extra features. You need to do the solidity contracts and basic UI but it doesn't have to look good, I'll make a separate job for styling once the functionality is complete enough. More details are available in the document below: [pro zobrazení URL se př...

    €46 / hr (Avg Bid)
    €46 / hr Průměr. nabídka
    5 nabídky

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