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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    Design and build me a blockchain game dashboard 6 วัน left
    ยืนยันแล้ว

    This project will provide a web-based dashboard UI, built on top of the Libplanet blockchain node. I'm looking for a team to knock this project out QUICKLY! I need this job started ASAP, if possible I really need the first milestone accomplished in 2 weeks. Will offer a bonus of an extra $2,500 if entire project can be completed before August 16th. Game reference: [เข้าสู่ระบบเพื่อดู URL...

    $9300 (Avg Bid)
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    3 คำเสนอราคา
    Проект блокчейн 6 วัน left
    ยืนยันแล้ว

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

    $750 - $1500
    ปิดผนึก
    $750 - $1500
    6 คำเสนอราคา

    Id like to create a basic nft marketplace based on the ethereum blockchain -

    $1185 (Avg Bid)
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    15 คำเสนอราคา

    Am look for a blockchain developer to create a multi-signature bitcoin wallet for web, android and ios, fast, lightweight and easy to use. will have both BTC, Ethereum/ERC-20, BEP2, Dogecoin, Stellar, Tether and more

    $517 (Avg Bid)
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    12 คำเสนอราคา
    Planet Pledge 6 วัน left

    Are you a blockchain developer? Do you want to help build a more sustainable planet with technology and be paid well at the same time? Planet Pledge is the project for you. We are looking for a skilled blockchain developer to help us build a thriving NFT ecosystem. More information can be shared once an NDA is signed.

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    3 คำเสนอราคา

    I am currently making an app on appypie. I'm creating a cryptocurrency faucet app, where people press a button once every 24 hours and receive a certain amount of free cryptocurrency. I need someone to with experience in app creation and cryptocurrency technology to create the faucet part of the app. I'm looking for someone to build a system in the app, where there is a wallet that I con...

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    4 คำเสนอราคา
    IBM Food Trust expert needed. 6 วัน left
    ยืนยันแล้ว

    Leverage IBM Food Trust blockchain API to cater for recording attributes related to vegetables and fruits. User access rights should be applied as per a scheme of super users then users that can add to the ledger. Reading from the ledger should be open to anyone. This is just an overview. Requirements will be further detailed as we discuss together. The perfect candidate is someone who has experie...

    $11 / hr (Avg Bid)
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    5 คำเสนอราคา

    I need two blockchain developer for my project now. If you are familiar blockchain and bitcoin, please bid here. Thanks

    $5000 - $10000
    $5000 - $10000
    0 คำเสนอราคา
    axie infinity players 6 วัน left
    ยืนยันแล้ว

    Hello we are looking for axie infinity players for a 60% - 40% deal.

    $2648 (Avg Bid)
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    24 คำเสนอราคา
    Custom Bep20 token creation and Website 6 วัน left
    ยืนยันแล้ว

    Create Custom Bep20 token that has smart contacts that take percentage fee from transaction and convert this fee from the Bep20 token format to USDT bep20 in developer wallet, percentage redistributed to holders, Anti Wale Bot, Burn and auto pair token with BNB in liquidity pool. Website needs to be created to interact with token holders via proof of stake, for example linking wallet to show they ...

    $6564 (Avg Bid)
    NDA
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    13 คำเสนอราคา

    We need a smart contract deployment for a ERC20 - a very standard setup as per this webpage. [เข้าสู่ระบบเพื่อดู URL] We may need a php front end to interact with the smart contract as well - but this can be discussed at a follow-up stage

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    41 คำเสนอราคา
    I'm looking for the best arbitrage Strategy 6 วัน left
    ยืนยันแล้ว

    like i mentioned in the Headline. I'm looking for the best Arbitrage Strategy to implement for trading between 2 decentralized Exchanges.

    $597 (Avg Bid)
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    19 คำเสนอราคา
    Build a crypto wallet 6 วัน left
    ยืนยันแล้ว

    I need someone to build a Crypto wallet for the user's portfolio. You should have experience of this work.

    $695 (Avg Bid)
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    10 คำเสนอราคา
    Add token icon & price in trust wallet 6 วัน left
    ยืนยันแล้ว

    Hello there, I have a Crypto token made on BSC, I need to add a token icon + token price in the trust wallet. Only experienced Thank you!

    $128 (Avg Bid)
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    2 คำเสนอราคา
    NFT marketplace intergration - Eth 6 วัน left
    ยืนยันแล้ว

    I am looking for someone who has experience developing the Ethereum blockchain. Your primary responsibility will be to actively assist my corporation’s web developers integrate the Ethereum blockchain onto our own NFT marketplace. The blockchain developer needs to implement the ETH blockchain in the marketplace. Users need to be able to Mint NFTs on the ETH blockchain which will be manual...

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    47 คำเสนอราคา
    Defi marketing, blockchain app marketing 6 วัน left
    ยืนยันแล้ว

    Hello, we have a big tech team of very experienced blockchain engineers that worked on lots of cutting-edge Defi startups on Binance Smart Chain, Polygon, and Ethereum. We need a strong marketing guy or a team of marketers with whom we can create a whole bunch of DeFi/Crypto projects. Requirements: - scale telegram groups with real members, no bots, no random people - access to legit networks o...

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    5 คำเสนอราคา

    I am looking for someone to build a custom graph ql query to get this data on binance smart chain tokens based on an inputed token address. I need this ASAP within hours if possible. The query should be made using this builder: [เข้าสู่ระบบเพื่อดู URL] Information I need: Token Name Token Symbol Token Price 24 hour change in price via PancakeSwap v1 + v2 24 hour trade Volume on PancakeSwap v1 + ...

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    3 คำเสนอราคา
    build me an NFT website 6 วัน left
    ยืนยันแล้ว

    build me an NFT website, on the Ethereum chain, something similar to rarible.com. note that the frontend design is here, just need the functionality input.

    $13 / hr (Avg Bid)
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    8 คำเสนอราคา

    Similar to Dungeon Hunter Champions…it should have some boss encounters and simple dungeon crawls, and of course a 5v5 map like Summoner’s Rift from LOL.

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    7 คำเสนอราคา
    Fork Tornado cash 6 วัน left
    ยืนยันแล้ว

    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 - [เข้าสู่ระบบเพื่อดู URL] [เข้าสู่ระบบเพื่อดู URL] is the workin...

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    25 คำเสนอราคา

    I have 1 trezor connected to 3 ronin wallets. These 3 wallets needs to pay the 4th wallet every day at 6 PM. But trezor is required for verification for each transaction -- I don’t want to use trezor every 6 pm to make sure transaction goes through. Is there a way to do this, like to disable trezor for a while because all 3 ronin wallets everything must go through trezor. This is it [เข้าสู...

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    10 คำเสนอราคา
    I am looking for a node.js and solidity developer 6 วัน left
    ยืนยันแล้ว

    Hello I am looking for a person who is able to code me a front running bot applicable on uniswap and pancakeswap, ideally code using node.js and solidity, I would also like a learning period at which you could explain how the script works and the different requests that the script puts in place and also a guarantee with which I can contact you at any time if there is a problem with the code.

    $1151 (Avg Bid)
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    62 คำเสนอราคา
    Python Developer with Pancakeswap Experience,, 5 วัน left
    ยืนยันแล้ว

    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

    $250 - $750
    ปิดผนึก NDA
    $250 - $750
    3 คำเสนอราคา
    smart contract 6 วัน left

    hello, i want create a Smart contract for airdrop, presales, 100% like : [เข้าสู่ระบบเพื่อดู URL] can you do it?

    $4800 (Avg Bid)
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    5 คำเสนอราคา
    Needed Blockchain Developer Needed(Web) 6 วัน left
    ยืนยันแล้ว

    We are looking for an innovative Crypto/Blockchain Web Developer to collaborate with us on a challenging project! The ideal candidate should have the following qualifications: - 2+ years of experience in commercial software development - Experience with Rust, Golang, Node.js or C++ - Blockchain programming and smart contract development experience on one or more major platforms i.e. Ethereum, Hy...

    $202 (Avg Bid)
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    20 คำเสนอราคา
    Escrow on blockchain 6 วัน left
    ยืนยันแล้ว

    I want to add 100% safe ESCROW site on my dex. Have already deployed dex on server. Please contact me if you can do it. HAVE TO KNOW ABOUT BLOCKCHAIN.

    $661 (Avg Bid)
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    26 คำเสนอราคา
    NEED DEVELOPERS FOR OUR COMPANY 6 วัน left
    ยืนยันแล้ว

    Hello friends, My name is Rajkumar. I am about to start a company. My company is technology dependent. I need developers for creating apps and websites. This is because the work of the developers plays an important role in this company. But my financial situation is not good enough. So I decided to hire developers as partners. I am ready to give them a shar.e of the profits. With the help of deve...

    $4 / hr (Avg Bid)
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    5 คำเสนอราคา
    Experience listing on Uniswap 6 วัน left
    ยืนยันแล้ว

    Looking for a developer with experience listing an existing ERC20 token on Uniswap Please articulate your experience listing token on Uniswap clearly

    $195 (Avg Bid)
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    12 คำเสนอราคา

    You can do the following in python, JavaScript, or natively in Solidity, whatever you are most comfortable with. You can use a testnet such as Kovan Network or set up your own local blockchain via Ganache. Your task to create two smart contracts that can performs the functions below: 1. Set up a contract called PriceFeed that can read in price data for ETH (ETH/USDT, ETH/USDC, ETH/DAI ect) on chai...

    $120 (Avg Bid)
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    4 คำเสนอราคา

    Do not bid then ask my budget the whole idea of a bid is you are offering to do the job for the amount you bid. The code for uniswap and pancake swap is available online for free. I want to customize a little and create the same crypto swaps. The only addition I want is a trading graph assed to show the current price of the coin. This job can be done in a few hours. Please bid and I'll cont...

    $444 (Avg Bid)
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    11 คำเสนอราคา

    I have a requirement for my client to develop a crypto investment balance sheet and ROI dashboard. User with valid credential can login and see the balance of all the coins. Deliverables Code Dashboard (webpage )

    $241 (Avg Bid)
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    8 คำเสนอราคา

    hi everyone First thing. I want to build Blockchain network on cloud servers for research purposes. i have a test experiment to entertain 150 records (between 6-8 fields) supposedly it's health records. basically I want to build 3 nodes of Blockchain network may be in cloud services like Azure or AWS or Google cloud... I need a web page to insert data and another web page for query th...

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    18 คำเสนอราคา
    Thegraph Developer 5 วัน left
    ยืนยันแล้ว

    Wanted person with knowledge in thegraph

    $140 (Avg Bid)
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    10 คำเสนอราคา
    Community Manager for Crypto related project!! 5 วัน left
    ยืนยันแล้ว

    We are looking for (an) experienced community manager(s)!! Track record and references required. We need at least the minimum below achieved: Content on: Linkedin Reddit Maybe: FB and IG Growth: Telegram group Mailing List (email ID) Suggestions more than welcome. Looking forward to receive your applications with salary expectations. Job is full time.

    $1088 (Avg Bid)
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    25 คำเสนอราคา

    I'm attaching the requirements PDF for your easy reference. Basically... I need an ERC20 token & ERC721 smart contract along with a simple landing page (just to test the transactions etc...) My requirements are pretty standard, nothing very innovative here. . Please have a look at the attached PDF... and then let me know: A- Your fees? B- Your suggested deadline? . Let's not was...

    $680 (Avg Bid)
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    15 คำเสนอราคา

    I need two blockchain developer for my project. If you aren't master with Blockchain, don't bid here. And I want start right now.

    $21 / hr (Avg Bid)
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    9 คำเสนอราคา
    4 Pages Website 5 วัน left

    I need 4 Pages Technical or Blockchain based website Where people watch and tracking Coins. I will send you list of coins.

    $2222 (Avg Bid)
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    48 คำเสนอราคา
    Blockchain solution 5 วัน left

    Require some with working knowledge of blockchain. Should be team player and honest to work with. Solution needs to be designed on block chain.

    $393 (Avg Bid)
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    7 คำเสนอราคา

    I need a blockchain game developer to develop a game slightly like Zedrun on blockchain. I will provide full details on chat.

    $850 (Avg Bid)
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    5 คำเสนอราคา

    Need to take forward a demo version of NFT marketplace to production quality. Demo is built with [เข้าสู่ระบบเพื่อดู URL], solidity on MATIC chain. Need a fresh implementation of GraphQL and storybook for component management. Indegrate deployment pipeline with the GH project using CircleCI. Current functionality includes a Home page, Mint NFT on testnet (Creator page), Buy page, Sale page, conne...

    $358 (Avg Bid)
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    3 คำเสนอราคา
    Blockchain app developer 5 วัน left
    ยืนยันแล้ว

    I need a blockchain developer preferred on Ethureum. The app would have two interfaces: First interface an admin person stores some details about a particular user on the ledger. (say name, DOB and another text details)... protected by a password. Second interface is used by anyone to search the ledger and retrieve details about someone. They could search using individual ID or some sort of iden...

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    22 คำเสนอราคา
    I need a web developer who can clone moonscan.net 4 วัน left
    ยืนยันแล้ว

    I need a new website. I need you to design and build a landing page.

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    6 คำเสนอราคา
    Make me a distributable crypto mining application 4 วัน left
    ยืนยันแล้ว

    Hello, We are a website that offers a service where users can earn an ingame currency of a popular game called ROBLOX by completing surveys and downloading apps on our website. We want to add another earning option on our website that lets our users download a miner app, which lets them mine cryptocurrencies on their PCs by using their graphics card. For each amount of money the user mines for u...

    $3590 (Avg Bid)
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    14 คำเสนอราคา
    Front running smart contract on pancakeswap 4 วัน left
    ยืนยันแล้ว

    Need a front running smart contract to detect transactions on the liquidity pools, and attack other people orders by increasing the gas fee, then sell the order in the same block or the next block. The contract needs to be 100% free of losses, we will discuss more details if anyone interest in this job.

    $50 / hr (Avg Bid)
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    1 คำเสนอราคา
    Python Developer with Pancakeswap Experience, 4 วัน left
    ยืนยันแล้ว

    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

    $250 - $750
    ปิดผนึก NDA
    $250 - $750
    4 คำเสนอราคา
    Looking for a Korean citizen to validate information -- 3 4 วัน left
    ยืนยันแล้ว

    **ONLY KOREAN CITIZENS APPLY** As stated above, we are looking for a Korean ONLY citizens who will help us validate/confirm certain information/questions about cryptocurrency projects and write the answer in already pre-made document. Working on this project doesn't involve in exchanging cryptocurrencies nor paying outside of the Freelancer platform. The task is very simple and easy to do.

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    3 คำเสนอราคา
    Mobile Coding 4 วัน left

    Greetings.. I am seeking a seasoned blockchain coder for a simple solidity project. I have all of the guides and even videos needed. I would like to have this small project completed in roughly a few hours.

    $557 (Avg Bid)
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    13 คำเสนอราคา

    Hi, freelancers. I am in need of experienced blockchain developer who need to conver smart contract from BSC to Polygon (solidity). If you are able to do, please apply. Thanks.

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    purpose is to transfer funds from - multiple addresses to another address and - a single address to multiple addresses explanation: if I have any erc20 or trc20 token on my multiple addresses and I want to transfer that token from my multiple addresses to a single address. And the second thing is if I have any token on my single address and I want to transfer (distribute) to multiple addresse...

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    8 คำเสนอราคา
    Look for Affiliates marketing manager for Crypto project 4 วัน left
    ยืนยันแล้ว

    We are planning to do token sale for our crypto [เข้าสู่ระบบเพื่อดู URL] need manager to manage our affiliate campaign. Requirements: [เข้าสู่ระบบเพื่อดู URL] very familiar with crypto affiliate networks [เข้าสู่ระบบเพื่อดู URL] our affialite offer on various powerful network websites [เข้าสู่ระบบเพื่อดู URL] active affilates to promote our project [เข้าสู่ระบบเพื่อดู URL] experience on affilia...

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    บทความชุมชน Blockchain ชั้นนำ