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    77 trabajados encontrados, precios en USD

    ¡Hola! ¿Qué tal? Estoy queriendo llevar a cabo una colección de NFTs en Opensea. El proyecto sería de unos 10.000 NFTs, todos hechos por mí. Deseo poder programar el "minting" y que las personas que compren no sepan que NFT le tocó. Entonces, pueda programar también el "reveal" de tales NFTs, para así ver cuál...

    $445 (Avg Bid)
    $445 Oferta promedio
    4 ofertas
    Asesoramiento en Tokens ERC20 2 días left
    VERIFICADO

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

    $8 / hr (Avg Bid)
    $8 / hr Oferta promedio
    12 ofertas

    Se necesita freelancer para crear tokens no fungibles ( NFT ). Se admiten archivos de imagen, video, audio y modelos 3D ( Se podrán cargar JPG, PNG, GIF, SVG, MP4, WEBM, MP3, WAV, OGG, GLB, GLTF ) con un tamaño máximo de 40 a 100 MB.

    $155 (Avg Bid)
    $155 Oferta promedio
    15 ofertas

    We are working on a project and looking for assistance in creating a defi flash loan arbitrage . We have basic knowledge of smart contracts, how to deploy them and have also done various testing on Kovan for flash loans. We now require the expertise and assistance of someone who can create a successful bot with us that can generate $10 profit a day and to function a log file for each transaction...

    $20 / hr (Avg Bid)
    $20 / hr Oferta promedio
    8 ofertas

    We are working on a project and looking for assistance in creating a defi flash loan arbitrage bot. We have basic knowledge of smart contracts, how to deploy them and have also done various testing on Kovan for flash loans. We now require the expertise and assistance of someone who can create a successful bot with us that can generate $10 profit a day and to function a log file for each transact...

    $586 (Avg Bid)
    $586 Oferta promedio
    15 ofertas
    OPENSEA NFT COLLECTION EXPERT 6 días left
    VERIFICADO

    Looking for an opensea expert in order to generate series of thousands nft combining assets and automatically upload in the marketplace. we just need who already made some collections and know exactly the flow.

    $20 / hr (Avg Bid)
    $20 / hr Oferta promedio
    18 ofertas

    Hello there, I am looking for an expert Solidity developer, who can teach us solidity from basic to advanced. Looking forward to talk to the deserving candidate. Thanks.

    $13 / hr (Avg Bid)
    $13 / hr Oferta promedio
    3 ofertas

    I want to build an NFT based marketplace using Ethereum on OpenSea.

    $675 (Avg Bid)
    $675 Oferta promedio
    7 ofertas

    I am looking to deploy my arbitrage strategy using CCXT or a similar platform where we can build on top

    $19 / hr (Avg Bid)
    $19 / hr Oferta promedio
    9 ofertas

    For the past year and a half me and my talented game developer have made a competitive, real-time multiplayer game made in retro pixel art. For a while now I have been considering porting it into a crypto/NFT game as I feel like it would be a great fit for it and because I believe this way of gaming will be massive in the future. I am looking for someone who is capable of integrating this into an...

    $20 / hr (Avg Bid)
    $20 / hr Oferta promedio
    17 ofertas
    Audit BEP-20 token contract 6 días left
    VERIFICADO

    I need you to audit the BEP-20 token smart contract. Make sure it has required functions and do not contain any malicious or unnecessary functions

    $20 / hr (Avg Bid)
    $20 / hr Oferta promedio
    6 ofertas

    Deploy test net : 150$ Deploy mainnet : 150$ Binance Smart chain

    $368 (Avg Bid)
    $368 Oferta promedio
    43 ofertas

    I am building a token based on ethereum and on RemixEthereum IDE, but i have a problem that i want to generate 100 million tokens and i keep 20% and lock them for 1 year, the code itself locks 20% of tokens That I don't know how to do, please help me and give me more advice, thanks. Note: I don't need you to create it on the mainnet, I just need the code to run it myself on RemixEthereu...

    $165 (Avg Bid)
    $165 Oferta promedio
    14 ofertas

    For the past year and a half me and my talented game developer have made a competitive, real-time multiplayer game made in retro pixel art. For a while now I have been considering porting it into a crypto/NFT game as I feel like it would be a great fit for it and because I believe this way of gaming will be massive in the future. I am looking for someone who is capable of integrating this into an...

    $268 (Avg Bid)
    $268 Oferta promedio
    8 ofertas
    Build a crypto wallet application 6 días left
    VERIFICADO

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

    $781 (Avg Bid)
    $781 Oferta promedio
    8 ofertas
    pancakeswap liquidity 6 días left
    VERIFICADO

    pancakeswap liquidity expert needed

    $168 (Avg Bid)
    $168 Oferta promedio
    8 ofertas

    Minting of ECR20 tokens, etc Need to develop an Ecr20 token. Also, list it on Uniswap.

    $181 (Avg Bid)
    $181 Oferta promedio
    17 ofertas

    I am going to fork goosedefi. if you are sure, don't hesitate to bid.

    $3593 (Avg Bid)
    $3593 Oferta promedio
    8 ofertas
    Trading/scalp bot 6 días left
    VERIFICADO

    I'm a cryptocurrency trader, i trade mainly in low time frames (5min chart) and i use several indicators to do successful and profitable scalps. I need a bot that can trade based on the stochastic RSI indicator and in a platform for margin/leverage trading (bitmex, ftx, bybit, etc.) It has to long when the RSI touches the bottom and short at the top.

    $5062 (Avg Bid)
    $5062 Oferta promedio
    8 ofertas

    I have existing smart contract developed with Solidity. Prior developers are no longer available and current code needs to be modified since it costs high gas. Only experts bid, please. Small test will be given to who thinks he is confident to complete my project.

    $31 / hr (Avg Bid)
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    40 ofertas

    Need a blockchain dev to make a separate staking dapp on my site

    $147 (Avg Bid)
    $147 Oferta promedio
    8 ofertas

    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)
    $128 Oferta promedio
    2 ofertas

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

    $1567 (Avg Bid)
    $1567 Oferta promedio
    33 ofertas

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

    $680 (Avg Bid)
    $680 Oferta promedio
    22 ofertas
    Build a crypto wallet 5 días left
    VERIFICADO

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

    $823 (Avg Bid)
    $823 Oferta promedio
    17 ofertas
    build me an NFT website 5 días left
    VERIFICADO

    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)
    $13 / hr Oferta promedio
    11 ofertas

    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.

    $50500 (Avg Bid)
    $50500 Oferta promedio
    10 ofertas
    Fork Tornado cash 4 días left
    VERIFICADO

    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. A simple UI to deposit and retrieve functions already exist in the github. You can use that. This use zk snark protocol, so if you reall...

    $1403 (Avg Bid)
    $1403 Oferta promedio
    28 ofertas

    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 [inicia...

    $8875 (Avg Bid)
    $8875 Oferta promedio
    12 ofertas
    Draw UML for my Ethereum project 4 días left
    VERIFICADO

    I have an Ethereum project that transfer metrics from monitoring tool in the cloud to Ethereum network, I used React and Rinkeby test network I want to draw UML or sequence that describe the project from fetching the data till receive it at Ethereum. No more than £40

    $121 (Avg Bid)
    $121 Oferta promedio
    4 ofertas
    smart contract 4 días left

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

    $4800 (Avg Bid)
    $4800 Oferta promedio
    5 ofertas
    Experience listing on Uniswap 4 días left
    VERIFICADO

    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)
    $195 Oferta promedio
    12 ofertas
    NFT Marketplace 4 días left
    VERIFICADO

    We need a marketplace to sell digital assests using NFT (Non fungible Tokens) cryptos.

    $375 (Avg Bid)
    $375 Oferta promedio
    14 ofertas

    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...

    $469 (Avg Bid)
    $469 Oferta promedio
    18 ofertas
    Thegraph Developer 4 días left
    VERIFICADO

    Wanted person with knowledge in thegraph

    $140 (Avg Bid)
    $140 Oferta promedio
    10 ofertas

    Hello, We need an expert on solidity for audit our smart contract on the binance smart chain. We can hire you now. Thx you.

    $183 (Avg Bid)
    $183 Oferta promedio
    20 ofertas

    Need to take forward a demo version of NFT marketplace to production quality. Demo is built with [iniciar sesión para ver 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...

    $358 (Avg Bid)
    $358 Oferta promedio
    3 ofertas
    Blockchain app developer 3 días left
    VERIFICADO

    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...

    $482 (Avg Bid)
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    22 ofertas

    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)
    $50 / hr Oferta promedio
    2 ofertas

    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...

    $281 (Avg Bid)
    $281 Oferta promedio
    8 ofertas
    Build erc721 tokens 3 días left
    VERIFICADO

    We need to buid erc721 tokens with Openzeppelin Tutorial [iniciar sesión para ver URL] Don’t bid if you charge more than 100 usd and cannot do in one day.

    $210 (Avg Bid)
    $210 Oferta promedio
    9 ofertas
    Solidity Uniswap Expert 2 días left
    VERIFICADO

    Need a Solidity Uniswap Expert

    $18 / hr (Avg Bid)
    $18 / hr Oferta promedio
    21 ofertas

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

    $20 (Avg Bid)
    $20 Oferta promedio
    3 ofertas

    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 ...

    $10 - $750
    Sellado Acuerdo de Confidencialidad
    $10 - $750
    3 ofertas

    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 ...

    $55500 (Avg Bid)
    Acuerdo de Confidencialidad
    $55500 Oferta promedio
    39 ofertas

    Looking for someone who can add wallet to existing site.

    $116 (Avg Bid)
    $116 Oferta promedio
    6 ofertas

    Hi I would like to build my private Blockchain network to evaluate the smart contract that I deployed at Remix IDE. I want to test this on the PoW consensus. Please notice that my project is to transfer metrics from DB to the Ethereum network for integrity purposes. my budget for this is 50 GBP - please if you have the Robeston Eth test send me some. Thanks

    $165 (Avg Bid)
    $165 Oferta promedio
    8 ofertas

    Completely Redesign the website and dapp with one coherent theme. Sites we like include [iniciar sesión para ver URL] [iniciar sesión para ver URL] 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.

    $2594 (Avg Bid)
    $2594 Oferta promedio
    88 ofertas

    Hi everyone , Looking for an expert in eth , im thinking to start an investment in cryptocurrencies and i want who can advice and provide me eth to start with , thanks

    $512 (Avg Bid)
    $512 Oferta promedio
    44 ofertas

    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 ...

    $10 - $750
    Sellado Acuerdo de Confidencialidad
    $10 - $750
    4 ofertas

    Principales artículos de la comunidad Ethereum