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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    180 건 검색 완료, 금액 기준 - USD

    I need smart contract developer to build my logic. Logic is simple. if you are good in smart contract, it will be few hours work. Please read the attached file before place a bid

    $10 - $30
    $10 - $30
    0 입찰

    I need a person who can verify cashapp and Coinbase for me. Only US.

    $10 - $30
    $10 - $30
    0 입찰

    Need developer for custom swap for bsc smart contract token

    $345 (Avg Bid)
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    I'm looking to develop a private and smart blockchain where I can upload my social media website, possibly on IPFS. Must be a competent and professional coder who can explain how to set up a network infrastructure of private nodes.

    $25 / hr (Avg Bid)
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    13 입찰

    We need a smart contract developer, who will write a relatively simple contract using Solidity.

    $43 / hr (Avg Bid)
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    37 입찰

    My background is in real estate and looking to see if a developer can walk me through the necessary steps of creating a block on the blockchain relating to personal information and real estate deeds.

    $13 / hr (Avg Bid)
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    4 입찰

    Creating a prototype for end to end property and lending solution

    $138 (Avg Bid)
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    Forc SafeMoon token from 27,000,000,000,000 to 12 decimal places. Name: Intekai Token Symbol: INTK Token sale block function for x time linked to the address with recognition of bonus tokens upon expiration. Function to burn tokens on initial wallets. Provide for the management of presale. Recognition of% by affiliation in the function, pass the address of the customer to that of the person who pr...

    $706 (Avg Bid)
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    Smart contract 6 일 left

    Smart contract + Rollups + solidity experience required

    $200 (Avg Bid)
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    20 입찰

    I need someone to modify the golang implementation of ethereum to propagate transactions from my origin only if it succeeds else it should discard. Eg: If I send 2eth to someone but my account only has 1eth the code should identify this and stop this transaction from ever reaching blockchain, this is to avoid the gas fees which I had to pay for failed transactions.

    $356 (Avg Bid)
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    2 입찰

    Block hain developer,. Blockchain engineer

    $26898 (Avg Bid)
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    1 입찰

    We need a Blockchain Developer for our future Mission.

    $288 (Avg Bid)
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    5 입찰

    We need an IPBOARD Escrow panel . One standalone Escrow panel which connects to ipboard ( for user acc managment ) Escrow Trades for Seller and Buyer. Automaticly Escrow functions and earning from the Fees . Write down below if you have experience with Ipboard and Bitcoin & Monero devlopement

    $529 (Avg Bid)
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    3 입찰

    I need a person or a team to make a smart contract and it should be like USDt but inside to add for example - to check how much TRX is available to know if the oleration can be done.

    $730 (Avg Bid)
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    Legal Expert 6 일 left

    We are representing a client in a litigation matter in which we need to establish whether or not someone who controlled digital assets for the exchange misappropriated funds that they held. We require someone, ideally with cryptocurrency exchange experience, to review material and provide an expert opinion.

    $37 / hr (Avg Bid)
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    7 입찰

    We need to make 3 responsive websites (2 cryptocurrency exchange + 1 landing page for Coin pay system) and a payment module. Read the details in the documents very well and give us a proposal. - Must give all details needed in development. (Functions and timeline) - Documents for functions and all source codes should be given to us.

    $19702 (Avg Bid)
    파워형
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    40 입찰

    I need a developer who knows Hindi or Punjabi. Budget: Not fixed, All depends on functions and updates I would like to build my own farm like Pancakeswap .finance I need solidity developer for the updates in solidity contracts In our project, most of the program is the same as pancakeswap so I need few changes in contracts Token [로그인하시면, URL을 확인하실 수 있습니다.] MasterChef [로그인하시면, URL을 확인하실 수 있습니...

    $550 (Avg Bid)
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    8 입찰

    Need an Indian cryptocurrency lawyer who can advise us on our legal concerns with regards to cryptocurrency and blockchain technology.

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    Hello, I have a project (frontend in reactjs ready, contracts ready) that needs extra Web3 interactions on top of the ones we already have. Engineers have estimated this to take no more than 1 week. (But they're not available to do this job for me due to their current workload. Only apply if you have worked with web3 or dapps before. Thank you;

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    We are looking for an experienced Ethereum/Polygon/Solana Developer to assist us with launching our token and related smart contracts. The details about the smart contracts/projects needed are below. Ideally, we are looking for someone that would be interested in joining our team as a full-time senior blockchain developer after the initial freelance work. Freelance Work Mint new token with a fix...

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    - Description: We are looking for an experienced Ethereum/Polygon/Solana Developer to assist us with launching our token and related smart contracts. The details about the smart contracts/projects needed are below. Ideally, we are looking for someone that would be interested in joining our team as a full-time senior blockchain developer after the initial freelance work. - Freelance Work 1. Min...

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    social network 6 일 left

    I need capable programmers ! - able to create a social network... by blockchain

    $1071 (Avg Bid)
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    Create Crypto Currency 6 일 left
    확인

    need to create and publish a crypto currency just like Matic, Doge,polkadot etc.

    $11766 (Avg Bid)
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    He estado en el mundo de cryptomonedas actualmente estoy tratando de reconfigurar mi skyminer, me encuentro actualmente en madrid y necesitaría ayuda para la instalación[로그인하시면, URL을 확인하실 수 있습니다.]

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    We're looking for a developer with experience using GoChain. We are interested in issuing a token on the GoChain for a project that we're developing. The contract would need to be audited for security prior to implementing. GoChain, a standalone blockchain, is a next generation smart contract platform. It's built upon an improved Ethereum codebase that solves the scaling proble...

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    Hi Experts, I am looking to develop a energy blockchain dapp using some of the open source Energy blockchain tools for example from www.energyweb.org. The application will capture energy meter data like inputs, outputs, export, storage etc. More details will be provided. Only apply if you have worked on blockchain tech before. thanks

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    I would like to create a front-running bot based on the ethereum Blockchain with different contracts address that I could enter (Metamask, uniswap pool essentially). Its back-end would be in ASP.NET Core or node.js. The BOT would essentially: - Scan the Ethereum blockchain and find transactions based on certain criteria (pending on the block aka mempool). - Front-run (specific trade volumes, s...

    $1238 (Avg Bid)
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    We need someone who has experience with blockchain, crypto, NFT. Requirements: ˚App deployment experience ˚Minting NFTs ˚Wallet integration ˚Royalty earnings for original owner ˚Ability to add ideas and make the project better Expertise: Haskell Cryptocurrency ICO Bitcoin DApps Smart Contracts Blockchain Development Cardano [로그인하시면, URL을 확인하실 수 있습니다.] JavaScript We are seeking a NFT programmer ...

    $34 / hr (Avg Bid)
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    You have to design a (almost) complete cryptocurrency exchange. You have to design both frontend and backend. But you need to implement only binance smart chain for deposits and withdrawals. More clearly speaking, when the user tries to deposit or withdraw, he should not be asked to "Select the network". The only network allowed (and actually implemented) would be binance smart chain...

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    We have completed UI. We have atomic swap smart contracts (HTLC) for ERC20toERC20 and ETHtoERC20. Just need web3 instances and integrations for metamask to facilitate atomic swap. EX: Buyer initiates from UI >> HTLC initiated >> Seller is notified and accepts/signs via metamask >> atomic swap for eth/erc20 x custom erc20 executes. These tasks must each be troubleshot, c...

    $226 (Avg Bid)
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    We are looking for a Pancakeswap fork to be completed for us with some charts included on the layout. We would like a more modernized design for it though such as the Uniswap design but Pancakeswap functionality to interact with the binance smartchain. Please only apply if you have experience doing this and can provide us with 3 references. All applicants must show us their previous projects lik...

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    Looking at getting a Defi made of the goose fork. We where looking at having smart contracts in there, IFOs and a token burn too. Maybe other things too be added down the line as well. If you where to win the project and doing a satisfactory Job on the project there would be opportunities going forward with us. Kind regards Seamless Swap team.

    $52 / hr (Avg Bid)
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    Kripto para kullanarak 2. el alım satım yapılabilecek bir platform ve o platformun kendi kripto parası

    $174 (Avg Bid)
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    Добрый день! Нужно подключить MetaMusk к сайту. Где пользователь автоматически сможет подвязывать свой кошелёк и отправлять токены для стейкинга. Также нужно подключить данные от Смарт-контракта, когда пользователь захочет забрать свои токены обратно, чтобы это было в автоматическом режиме.

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    Hello Please I’m an expert trader in crypto currency exchange but right now I’m getting busy due to my new work and I can’t really have all that time to trade anymore so I’m looking for an experienced trader who will jointly trade with me…

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    Hello my friend! I was curious to know if you could help my partners and I with the integration of a specific coin (NOT A TOKEN) on its own blockchain- into a wallet app we have developed for android and IOS, we would also like to know if you could add some aesthetic features to the wallet app that would compliment the application and make it more user friendly! Please let me know if you are avail...

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    6 입찰

    Seeking a Trading View bot which can automatically adjust best indicator settings like MA,RSI,ATR for a specific timeframe and provide the best stop loss and indicator settings for max profits with less drawdowns.

    $193 (Avg Bid)
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    Need someone to develop a pancakeswap, with functionalities including exchange, farm and pool. We will also need to issue our own token.

    $488 (Avg Bid)
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    5 입찰
    Pancakeswap fork 5 일 left
    확인

    I need a Pancakeswap fork Main features needed: Exchange, Liquidity, Farm, Pools

    $2522 (Avg Bid)
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    20 입찰

    Günümüz teknolojisine ayak uydurmak amacıyla düşündüğüm bi projedir .Projenin genel amacı şu BSC tabanlı bir kripto para ve 2. el eşya alım satımı için bi uygulama çıkartıp krtipto paraların kullanımını arttırmak.

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    Forc SafeMoon token from 12,000,000,000 to 12 decimal places. Expect token sale block for x time. Commission payment on first purchase of 12% (5% investments - 3% liquidity pool - 3% to be divided among the 1% Charity holders) that can be deactivated. Commission payment on transfer of 10% (5% investments - 3% liquidity pool - 2% to be divided among the holders) For those who agree to keep the toke...

    $592 (Avg Bid)
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    Crypto system 5 일 left
    확인

    Need a Crypto system that will work well and is diverse

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    12 입찰

    Working with a fast growing IT Services Company and we are looking for a blockchain developer to help us with few projects

    $5390 (Avg Bid)
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    8 입찰

    Hello, i am looking for a expert regards ETH network erc20 contracts. I already know how to create a Token, but I need someone to change the Contract a little bit. i also want to know how to make the contract unique, adding commands codes like set buy limit then release( after deploy) it and a few more stuff like block bots from buying the coins. I need someone to teach me everything need to ...

    $35 / hr (Avg Bid)
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    10 입찰

    I want a simple program that can pull transactions of an address on ERC20. GET transaction of given ID or IDs. as a json object. Thanks

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    3 입찰

    I want a simple program that can pull transactions of an address on ERC20. Thanks

    $10 - $30
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    0 입찰

    Hello everyone I’ve crypto currency in my wallet but I can’t trade due to my new job, I don’t have all the chance to trade so I want someone who will make a joint trading with me so I can be receiving my own percentage, please if you’re let’s join our coins together and you will trade on behalf of both of us

    $20 / hr (Avg Bid)
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    I need to create a fork of pancakeswap, and create my own token swap project on the FANTOM NETWORK (NOT BSC) PLEASE DONT CONTACT ME IF YOU CANT DO BSC , PLEASE DONT WASTE OUR TIME It should have following features: - Exchange / Liquidity - Farming pairs - Staking pools - Lottery - Token Price Explorer Please contact me only if you can do all request I had indicated and make a site ready to be us...

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    We need someone expert in mining pool, ethereum, blockchain to help us integrate some new functions in our mining pool and add new coins. we have an miner pool, currently working with etherum, we use the alphaxcore 2.0 script from github to run it. we would like to add some functions to the pool and add new coins for our users to be able to miner with us. All those coins will be integrated in ou...

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    What i need: Fork of pancakeswap with new layout (Exchange, Farms and pool part). Token create with max supply: 30,000,000 Tokens. (BSC chain). Guide how to add new farms. Guide how to add new pools. Help to get all requirements to get the token list on binance. Token AUDIT required.

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