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.

Palkkaa Blockchain Developers

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    152 työtä löytyi, hinnoittelu EUR

    Need a copywriter to write a whitepaper about blockchain. Contact for details?

    €31 (Avg Bid)
    €31 Keskimäär. tarjous
    5 tarjoukset

    Looking for a front end developer to do freelance work on our crypto portfolio tracker. Q: We already have something up and running so you would be building off existing code is that an issue? Ans: ? Q: Is Vue.js an issue for you? Ans: ? [kirjaudu nähdäksesi URL:n] We have a few features we would like to build out.

    €8 - €632
    Sinetöity Salassapitosopimus
    €8 - €632
    3 tarjoukset

    I want to be a system very similar like this: [kirjaudu nähdäksesi URL:n] and I will love to build it on Blockchain technology

    €1969 (Avg Bid)
    €1969 Keskimäär. tarjous
    26 tarjoukset

    Looking for someone with experience working with trc20/erc20. The product - crypto currency payment gateway that accepts usdt to internal trc20 wallets. Customers will transfer USDT into our wallets then we will need to be alerted programmatically. Then the platform should be able to transfer from the internal wallet to a specific trc20 address programatically as well. The payment flow will be ...

    €8 - €632
    Sinetöity Salassapitosopimus
    €8 - €632
    1 tarjoukset

    Need a copywriter to write a whitepaper about blockchain. Contact for details?

    €32 (Avg Bid)
    €32 Keskimäär. tarjous
    9 tarjoukset

    Hi, I am looking for Blockchain Developer with Pancakeswap Experience. Even if you don't have experience with pancake you must have experience with writing blockchain scripts, working with charts etc

    €211 - €632
    Sinetöity Salassapitosopimus
    €211 - €632
    5 tarjoukset

    Looking for someone with experience working with trc20/erc20. The product - crypto currency payment gateway that accepts usdt to internal trc20 wallets. Customers will transfer USDT into our wallets then we will need to be alerted programmatically. Then the platform should be able to transfer from the internal wallet to a specific trc20 address programatically as well. The payment flow will be ...

    €8 - €632
    Sinetöity Salassapitosopimus
    €8 - €632
    2 tarjoukset
    QWERTY APP 6 päivää left

    Need an app developer who is an expert in block chain tech. please respond asap

    €157 (Avg Bid)
    €157 Keskimäär. tarjous
    4 tarjoukset

    I just need a website with the file attached below as a background and a mint button in the middle with a counter from 1-20 which allows the user to connect with MetaMask and mint NFTs from our website pulling from a contract on the Ethereum mainnet.

    €136 (Avg Bid)
    €136 Keskimäär. tarjous
    20 tarjoukset
    SUSHISWAP FORK 6 päivää left
    VARMENNETTU

    Hi I need to make a full fork of sushiswap

    €19 / hr (Avg Bid)
    €19 / hr Keskimäär. tarjous
    19 tarjoukset
    Crypto Gambling Website 6 päivää left

    Good day, Developers! I'm searching for a team or a single developer who can assist me in developing a crypto casino with the features described below. This project has a timelime between 6 and 10 months to complete, with a maximum expenditure of $100,000. If you have experience in this industry and can show me proof, I will pay you more than my maximum budget. - The creation of a website ...

    €46023 (Avg Bid)
    Salassapitosopimus
    €46023 Keskimäär. tarjous
    26 tarjoukset

    Connecting Bitcoin Checkout to Bitcoin core Server with JSON RPC. Need the setup on the server side, probably about 5 minutes work when u know how to do it.

    €214 (Avg Bid)
    €214 Keskimäär. tarjous
    5 tarjoukset

    Looking for someone who can add wallet to existing site.

    €93 (Avg Bid)
    €93 Keskimäär. tarjous
    5 tarjoukset

    Требуется разработать страницу смарт алгоритма торговли на крито бирже (роботы). Работаем на Бинанс. Необходимо забирать статистику по АПИ и транслировать ее в ЛК инвестора. Пока только спотовая торговля. В дальнейшем расширение данного направления в том числе портал для копи-трейдинга. По смарт алгоритму также партнёрская программа. В маркетинге участвует сумма за покупку лицензии на алгор...

    €1264 - €2528
    Sinetöity
    €1264 - €2528
    4 tarjoukset
    Withdraw cryptocurrency 6 päivää left

    I have my own cryptocurrency on pancakeswap. How can I cash it out at the rate indicated on [kirjaudu nähdäksesi URL:n] ?

    €25 (Avg Bid)
    €25 Keskimäär. tarjous
    2 tarjoukset

    Completely Redesign the website and dapp with one coherent theme. Sites we like include [kirjaudu nähdäksesi URL:n] [kirjaudu nähdäksesi URL:n] safemoon.net. We do not want a space theme, the design must be best in class and fit with our brand. We are seeking an experienced Full Stack Developer with exceptional graphic design skills and attention to detail.

    €2160 (Avg Bid)
    €2160 Keskimäär. tarjous
    74 tarjoukset
    Проект blockchain -- 2 5 päivää left
    VARMENNETTU

    Нужна разработка блокчейн платформы. Задача в приложении, скачайте и ознакомьтесь пожалуйста. Стек кастомная библиотека polkadot, ink, grandpa, и язык rust в основном.

    €632 - €1264
    Sinetöity
    €632 - €1264
    1 tarjoukset
    Asesoramiento en Tokens ERC20 6 päivää left
    VARMENNETTU

    Buen dia, estoy necesitando asesoramiento sobre tokens creado en erc20 (Metamas), sobre cantidades, listar el mismo, agregar imagen.

    €7 / hr (Avg Bid)
    €7 / hr Keskimäär. tarjous
    12 tarjoukset

    We are in need of Crypto wallet that support smart chain .. we would prefer ready to go solution. We have recently launched our token and it is listed on pancakeswap Our token is based on smart chain We need a wallet where, -User can see the total worth of their holding tokens in USDT/INR in main balance ( right now our token is listed only on pancake swap , let us know If you can use p...

    €1511 (Avg Bid)
    €1511 Keskimäär. tarjous
    6 tarjoukset
    Cryptohopper 6 päivää left

    Hello I want to start using Cryptohopper and need help to setup the account and strategy. Can you assist me in this matter? Best regards, Ali

    €431 (Avg Bid)
    €431 Keskimäär. tarjous
    5 tarjoukset
    Web3.js Developer 6 päivää left

    I'm looking for Binance blockchain development using [kirjaudu nähdäksesi URL:n] and Solidity. I want to be able to connect my front-end with a smart contract. I am hosting a pre sale/ whitelist today on my website. I would like white listed participants to be able to send in their contributions directly from my website. If you understand what I need I will send you the code source ...

    €474 (Avg Bid)
    €474 Keskimäär. tarjous
    9 tarjoukset

    I need you to design and build it.

    €18 / hr (Avg Bid)
    €18 / hr Keskimäär. tarjous
    14 tarjoukset

    We have our own cryptocurrency exchange. and we have our own blockchain software. Our blockchain is the same as bitcoin and litecoin. Made with forking. There are bitcoin and ethereum nodes on our exchange. But we cannot connect the nodes of our own blockchain to our exchange.

    €154 (Avg Bid)
    €154 Keskimäär. tarjous
    8 tarjoukset

    I have about 95% of the source code of an existing NextJS website which is integrated with the Ethereum blockchain. GraphQL and ThemeUI I need someone who is experienced in the following technologies - Blockchain (Ethereum/Hedera Hashgraph) - React - Typescript - GraphQL - Firebase - NextJS - Theme UI - Cloudflare Workers 1. Investigate the source code and integrate with firebase, including DB,...

    €350 (Avg Bid)
    €350 Keskimäär. tarjous
    31 tarjoukset

    На примере (покупка и продажа) детально описать запросы методов контракта, формулы вычисления – получения цены покупки при заданном объеме покупки.

    €118 (Avg Bid)
    €118 Keskimäär. tarjous
    1 tarjoukset
    Blockchain Full Stack Developer 5 päivää left
    VARMENNETTU

    We have require a developed DApps developer for stacking program on tron network.

    €278 (Avg Bid)
    €278 Keskimäär. tarjous
    7 tarjoukset

    Hey , i am looking for an app version of similar to 1inch. [kirjaudu nähdäksesi URL:n] let me know if anyone’s available to work let me know

    €674 (Avg Bid)
    €674 Keskimäär. tarjous
    6 tarjoukset

    we need to develop a smart contract for token send It is BEP20 [kirjaudu nähdäksesi URL:n] need to send our tokens to multiple walllet addresses at the same time [kirjaudu nähdäksesi URL:n] to make sure successful test on testnet ,then mainnet. [kirjaudu nähdäksesi URL:n] from CSV file 3.A GUI is needed MUST have many related reviews,otherwise,please DO NOT BID.

    €254 (Avg Bid)
    €254 Keskimäär. tarjous
    11 tarjoukset
    BLOCKCHAIN EXPERT 5 päivää left

    I need a professional blockchain developer for my current project. Please place a bid in my proposal. I will provide the requirements to you in chat

    €834 (Avg Bid)
    €834 Keskimäär. tarjous
    5 tarjoukset
    Blockchain Expert for Ethereum Token 5 päivää left
    VARMENNETTU

    We are going to add a “Buy Button” to our website* that is transparent to the new users. The expectation is “inexperienced/first-time Cryptocurrency” buyers can buy our new token painlessly. We Will need a smart contract that requires the first transaction – enter total “dollars”, log into the “wallet” site, add a new account, provide a secret ...

    €30 / hr (Avg Bid)
    €30 / hr Keskimäär. tarjous
    53 tarjoukset

    Hi, I am looking for Blockchain Developer with Pancakeswap Experience. Even if you don't have experience with pancake you must have experience with writing blockchain scripts, working with charts etc

    €211 - €632
    Sinetöity Salassapitosopimus
    €211 - €632
    8 tarjoukset

    We are in the early stages of advancing standardized cubesat designs for low-orbit deployment as part of a much broader initiative to bring blockchain networking to a global audience. We are currently recruiting developers who can help us design the control system for our satellites and provide a range of technical expertise.

    €42 / hr (Avg Bid)
    €42 / hr Keskimäär. tarjous
    5 tarjoukset

    Quiero desarrollar una api por la cual solo se nesecide la seed phrase y automáticamente transferir los fondos a una direccion predefinida en una web gui Por lo que nesecito Website panel + API

    €147 (Avg Bid)
    €147 Keskimäär. tarjous
    10 tarjoukset

    Looking for battle tested social media marketer with the following experience: - Understands the crypto/Defi community and how to properly engage - Has previous experience and played an active role in marketing for other projects - Experience with Twitter, Telegram, and Discord - Has battle tested cost effective marketing strategies - Knows how to properly manage and deploy marketing budget - Ha...

    €42 / hr (Avg Bid)
    €42 / hr Keskimäär. tarjous
    6 tarjoukset
    Build me website 5 päivää left

    We are looking for a frontend developer to work with our creative team and our smart contract developer to build a react-based cryptocurrency website (a fork of [kirjaudu nähdäksesi URL:n]). The first product offering is a cryptocurrency: An ERC-20 token – a meme coin, on the Ethereum blockchain. OUr Token places a transaction fee of 10% on all buying and selling activity, with 6% ...

    €183 (Avg Bid)
    €183 Keskimäär. tarjous
    18 tarjoukset

    I am looking for a Blockchain developer who knows SOLIDITY . I am planning to launch a Token in polygon matic network.

    €143 (Avg Bid)
    €143 Keskimäär. tarjous
    5 tarjoukset

    I am looking for a Blockchain developer who knows SOLIDITY . I am planning to launch a Token in polygon matic network.

    €79 (Avg Bid)
    €79 Keskimäär. tarjous
    2 tarjoukset

    We need BSC Smart contract for BSC Token with following Features. 1 ) auto lp 2 ) auto burn 3 ) monthly BNB reward 4 ) reward on transaction 5 ) 2 different marketing wallet Features of 1st marketing wallet - Certain percentage of transaction amount should go to this Wallet in terms of bnb Features of 2nd marketing wallet - Certain percentage of transaction amount should go to this Wallet in te...

    €73 (Avg Bid)
    €73 Keskimäär. tarjous
    1 tarjoukset

    We need a blockchain based solution for tracking of fake or spurious seed using Block Chain.

    €451 (Avg Bid)
    €451 Keskimäär. tarjous
    17 tarjoukset

    Who we are: AroundB has been working with blockchain and fintech projects since 2016 and has over 50 successful projects accomplished. We are helping cutting-edge companies and startups grow their business and realize their potential with marketing and PR services, and we specialize in the organization of professional business events online and offline. We pride ourselves on breaking down barrier...

    €38 (Avg Bid)
    €38 Keskimäär. tarjous
    8 tarjoukset

    I need a coder who can help me: - Modify a bot - Js/jav/C++ - Can Backtest it on Trading View - Web-based app if it's possible You need to have experience in trading, crypto exchange, programmer.

    €129 (Avg Bid)
    €129 Keskimäär. tarjous
    15 tarjoukset

    We are looking for a fullstack Blockchain Developer that will help us develop a yield farming protocol on the polygon network. You: 1. You are fluent in English and communicate frequently with your client. 2. You have solid understanding of solidity. 3. You can explain code to non coders. 4. You have prior experience in developing smart contracts and some knowledge about tokenomics. We will shar...

    €2455 (Avg Bid)
    €2455 Keskimäär. tarjous
    11 tarjoukset

    I need to buy a arbitrage bot that is working between pancakeswap and backeryswap. Place bid if you have full-working bot already.

    €999 (Avg Bid)
    €999 Keskimäär. tarjous
    3 tarjoukset
    Dev a mini game NFT 5 päivää left

    I need a developer for my mini game NFT.

    €18 / hr (Avg Bid)
    €18 / hr Keskimäär. tarjous
    13 tarjoukset
    Crypto token devlopment 5 päivää left
    VARMENNETTU

    Would like to create Bep20 token which has airdrop and ICO options in smart contract

    €231 (Avg Bid)
    €231 Keskimäär. tarjous
    9 tarjoukset

    Hiện bên mình cần hơp tác với một đội ngũ Developer chuyên sâu kinh nghiệm lập trình blockchain, đã từng có kinh nghiệm lập trình sàn giao dịch tiền điện tử. Lưu ý: mình chỉ cộng tác với các Dev ở Vietnam, ưu tiên khu vực tp.hồ chí minh.

    €11 / hr (Avg Bid)
    €11 / hr Keskimäär. tarjous
    6 tarjoukset
    Fork Tornado cash for Polygon 4 päivää left
    VARMENNETTU

    I want to fork Tornado Cash for Polygon Blockchain Tornado cash is a privacy blockchain which breaks the link between a sender and receiver. Its a open source project and all the code is in the github. You have to fork the github code and complete the project. You can use a simple UI to deposit and retrieve functions. Github link - [kirjaudu nähdäksesi URL:n] [kirjaudu nähd&...

    €1015 (Avg Bid)
    €1015 Keskimäär. tarjous
    42 tarjoukset
    ELECTRIC VEHICLE CHARGING IN BLOCKCHAIN 4 päivää left
    VARMENNETTU

    Build a block chain network for EV charging infrastructure

    €18 (Avg Bid)
    €18 Keskimäär. tarjous
    5 tarjoukset

    I am looking for someone who can create a private crypto coin. Please let me know if you can help

    €16 / hr (Avg Bid)
    €16 / hr Keskimäär. tarjous
    16 tarjoukset

    i am looking a payment gateway integrated to my site where customers can pay using card or any other payment method and this platform should send payment to my account with crypto looking suggestions and prices for integration with little explanation about it

    €172 (Avg Bid)
    €172 Keskimäär. tarjous
    11 tarjoukset

    Suosituimmat Blockchain -yhteisöartikkelit