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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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    202 trabajados encontrados, precios en USD

    JATE SOLUTIONS es un proyecto de responsabilidad social que busca facilitar y promover el reciclaje a través de máquinas recolectoras. Las máquinas CGH recicladoras funcionaran como una máquina expendedora a la inversa, es decir, tú depositas tu basura y nosotros te compensamos con PUNTOS CGH Buscamos autónomos programadores para el desarrollo del proye...

    $30 / hr (Avg Bid)
    $30 / hr Oferta promedio
    5 ofertas

    Crear una blockchain similar a binance donde se pueda comprar, vender en dólares , otras criptomonedas, igual que puedan entrar varios usuarios a la vez y guardar en sus billeteras.

    $510 (Avg Bid)
    $510 Oferta promedio
    10 ofertas

    Quiero crear mi propia red NFT ERC-20 para comprar, vender y revender productos bajo un sistema propio NFT.

    $348 (Avg Bid)
    $348 Oferta promedio
    17 ofertas

    Luego de 8 años de conoces e identificar un sin fin de problemáticas en el campo de las manufacturas complejas de joyería, deseamos desarrollar una version 1.0 de un sistema de supervisión para las diferentes etapas de un proceso de manufactura. La idea es que por un lado exista una capa de cara al usuario en el cual pueda entrar a ver el proceso de manufactura del prod...

    $202 (Avg Bid)
    $202 Oferta promedio
    8 ofertas
    Proyecto NFT 20 horas left

    Voy a hacer un proyecto Nft, quiero construir una economia y necesito programadores.

    $25 / hr (Avg Bid)
    $25 / hr Oferta promedio
    9 ofertas

    Solicitamos una persona que pueda crear nuestra propia criptomoneda, no debe ser un token, tenemos una aplicación de pagos la cual lanzaremos próximamente al mercado venezolano y por razones de tiempo y poco personal requerimos una persona que sepa programar y tenga conocimiento de la blockchain para que pueda realizar nuestra criptomoneda.

    $2877 (Avg Bid)
    $2877 Oferta promedio
    9 ofertas

    I need to create the NFT721 token contract and also need to current ERC20 contract. The main project is written by using React + NodeJs. Need to start working immediately. Hourly rate is 10/h.

    $11 / hr (Avg Bid)
    $11 / hr Oferta promedio
    10 ofertas
    Collecting Blockchain developers 6 días left

    We are looking for a professional blockchain developer who has a deep experience in the smart contracts, Solidty, [iniciar sesión para ver URL], NFTs, Whois service, MetaMask, and ENS to build a new smart contract wallet such as metamask. Selected developer will keep long-term relationship with us, but professional blockchain developer with high-quality & speed.

    $2227 (Avg Bid)
    $2227 Oferta promedio
    9 ofertas

    Making the contract and explaining each line of the said contract. also NFT Mint on the website.

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

    Hi! David. How are you? I am Slava and we agreed to meet at 20th and install bot. I am sorry for unexpected disconnecting with you. I hope to meet you here or please take a look attached file. Regards!

    $38 / hr (Avg Bid)
    $38 / hr Oferta promedio
    2 ofertas
    Create a NFT portfolio app 6 días left

    Hi, I am looking for someone who can build the NFT portfolio web app, Almost similar to [iniciar sesión para ver URL] You need to enter your ETH address holding NFT's and you need to fetch the data from the OpenSea NFT marketplace. I will supply the design as well. If you have previously worked on the blockchain, Only then bid on this project. Otherwise don't bother. I don'...

    $767 (Avg Bid)
    $767 Oferta promedio
    5 ofertas
    Trading Bot 6 días left

    I am looking to develop a new pancakeswap trading bot with the following features: 1, for buying newly listed tokens Detecting liquidity above a variable amount which is pending. 2, bot must have antibot detection features which are currently run by many dex exchanges to block off/blacklist bots (bot must be able to bypass antibot features) 3, bot should CONNECT WITH PANCAKESWAP SERVER AND che...

    $727 (Avg Bid)
    $727 Oferta promedio
    10 ofertas

    I am looking for someone who is familiar with blockchain and react native expo. want to build Dapp with react native. contact me , please.

    $473 (Avg Bid)
    $473 Oferta promedio
    13 ofertas

    Bitcoin binary trading options is a platform where individual trade coin, gold and all types of currencies for good profit in return

    $464 (Avg Bid)
    $464 Oferta promedio
    7 ofertas
    Integrate Blockchain in Website 6 días left

    Hello, I have an existing website in WordPress. Periodically, I add records in a table in the website. I want to add feature in the table so that all new entries are integrated in the blockchain, and any edits to the existing records are also recorded in the blockchain. Thanks.

    $192 (Avg Bid)
    $192 Oferta promedio
    16 ofertas

    I need blockchain and NFT smart contract 1. Sharing the requirement document herewith, 2: Analize the scope of work and timeline clearly 3: Schedule an on call discussion to finalise the terms and clarifying the project details . It is a big project and we will work on module wise.

    $1052 (Avg Bid)
    $1052 Oferta promedio
    5 ofertas
    NFT GAMER 6 días left

    I want my game to be able to perform these operations. SELECT WHAT YOU WANT TO DEDICATE TO 1) Farmer 2) manufacturer OFFICIAL MARKET "Here are the prices fixed by the system" Sale of water: 6 point Seed sale: 13 points to farmers Fruit sale: 15 Points to factories FARMER: If you are a farmer you will have to buy only the seed and water. PUBLIC MARKET Sale of water by facto...

    $1772 (Avg Bid)
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    11 ofertas

    Create and Deploy a solidity contract

    $135 (Avg Bid)
    $135 Oferta promedio
    6 ofertas

    Looking for a Blockchain developer with Full Stack Developer experience and Python for small project

    $25 / hr (Avg Bid)
    $25 / hr Oferta promedio
    27 ofertas

    NFT Minting and Backend 1. Mint Tokens 2. ERC721 Smart Contracts (Includes Royalty) 3. Add NFT Metadata on IPFS 4. Metamask Integration 5. Blockchain Integration 6. Reveal Function 7. Counting Available and Sold NFT

    min $50 / hr
    Destacado Urgente Acuerdo de Confidencialidad
    min $50 / hr
    0 ofertas

    Basically I need DAPP to be embedded on our current website. The dapp will just be to track the rewards of our current holders. I also need to have a swap and fiat to crypto along with. All these can be done using Moralis, they have some tutorials on their YouTube which would be fairly easy to follow for a seasoned solidity dev. I will have this dapp embedded/iframed on our current social network ...

    $2153 (Avg Bid)
    $2153 Oferta promedio
    13 ofertas

    i want to simulate two energy smart meters gateways to trade energy between them using blockchain smart contract.

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

    je recherche un développeur pour un site web de mint sur solana pour une collection Nft

    $5216 (Avg Bid)
    $5216 Oferta promedio
    2 ofertas

    I need a BEP20 contract for our NFT game. A brief of necessary functions: 1. Ready for pinskale presale 2. Airdrops 3. Buybacks (not hardcoded) 4. Tokens mint function 5. ERC721 (to make people buy some things getting NFT) 6. ListingBlacklist 7. ManualBlacklist 8. WhiteList 9. StopBlacklist 10. EnableTrading (with several additional functions) 11. Cooldown (between tx) 12. AntiDump (hardcoded) ...

    $630 (Avg Bid)
    $630 Oferta promedio
    1 ofertas

    Hello We you be able to do this [iniciar sesión para ver URL] Base the on support and resistance

    $226 (Avg Bid)
    $226 Oferta promedio
    3 ofertas

    Hi , I'm looking for a freelancer to develop & build a Web App or PWA for my Financial Trading Game which has already been designed on Google Docs. Essentially, it's a hydrid which mixes elements of traditional games of chance (like roulette/bingo etc) with the fundamental principles of financial trading. The project is ready to go immediately and you should be available for at least...

    $8062 (Avg Bid)
    $8062 Oferta promedio
    8 ofertas

    if you know crypto currency i need to make a website with tracker for all token bsc and ethereum

    $748 (Avg Bid)
    $748 Oferta promedio
    21 ofertas
    Crypto Currency Creation 6 días left

    HI, We need someone familiar with creating a new crypto currency. show me your past work in your proposal please

    $396 (Avg Bid)
    $396 Oferta promedio
    19 ofertas

    Create website that displays information on Tokens on the XRP ledger such as richlist of token holders and other token information. Can use Client Library: [iniciar sesión para ver URL] [iniciar sesión para ver URL] or XRPL API to extract the data. Similar to [iniciar sesión para ver URL] [iniciar sesión para ver URL]

    $126 (Avg Bid)
    $126 Oferta promedio
    5 ofertas

    I'm looking for a blockchain programmer for a decentralized cryptocurrency exchange . We have achieved a lot, but we are looking for a blockchain programmer to develop it further

    $551 (Avg Bid)
    $551 Oferta promedio
    16 ofertas

    I have some problem in my project. so I am looking forward developer who solve this problem.

    $430 (Avg Bid)
    $430 Oferta promedio
    5 ofertas

    About us: we are active in the institutional real estate tokenization sector and will offer digital, liquid economic real estate equity, debt and derivative products with primary issuance and secondary trading options. We are looking for a Senior Product Developer (expert level) who: - is responsible for the implementation of our product vision and strategy - will independently write down the pro...

    $42 / hr (Avg Bid)
    $42 / hr Oferta promedio
    6 ofertas

    I want to create autocompound farming platform that will be available in different networks like: BSC, AVALANCHE or Polygon and the rewards will be distributed in the network native tokens. For example I have “token” of my project. On this platform I should be able to farm for example my “token”/BNB LP and to to get rewards in BNB too

    $3000 - $5000
    $3000 - $5000
    0 ofertas
    ecr20 token 6 días left

    I want a developer on github to create an Atrium token project and create tokens as standard and in principle, and the purpose of this token is to facilitate international payments in the field of oil and gas in the world ... I want the project created Be professional to be accepted and approved at the time of review and qualification of the project and be very professional Those who have this abi...

    $652 (Avg Bid)
    $652 Oferta promedio
    7 ofertas

    Нужен сайт, который проведет сборы ICO для проекта [iniciar sesión para ver URL]

    $2591 (Avg Bid)
    $2591 Oferta promedio
    7 ofertas
    Minting NFTs 6 días left

    I am looking for a New Zealand client to mint NFTs. Please contact me for your further details and I am always ready for your satisfactions. Thank you.

    $3000 - $5000
    $3000 - $5000
    0 ofertas

    Scopes : - generate NFT art variation and properties - create smart contracts on ethereum with openzeppin, ipfs...etc - unit test and integration

    $205 (Avg Bid)
    $205 Oferta promedio
    3 ofertas

    Hello, I vijay keswani from india, We have ecommerce project, market for INDIA, and USA, we have products like mens & womens Apperal,Home & Living, Accessories, etc, we want to launch token for our company and any one can use these token on our website as a payment and holders can recive token if any transaction done on our ecommerce ecosystem, we want create cryptocurrency with BSC20 OR E...

    $383 (Avg Bid)
    $383 Oferta promedio
    4 ofertas
    Hpscryptouniverse 5 días left

    We want a professional who can create a project staking program for our crypto startup.

    $414 (Avg Bid)
    $414 Oferta promedio
    1 ofertas

    looking for a blockchain developer to create unique blockchain not on ethereum so it has to be from scratch my have previous work samples to look at or a demo of past work this will be a major deciding factor must speak english and be able to travel to perform demonstration to corporate group this blockchain will be private but have all the capabilities of the public ones but for a close net group...

    $9029 (Avg Bid)
    $9029 Oferta promedio
    8 ofertas

    Require the creation and design of a website which will allow the facilitation of NFT minting by customers. The website will continue to act as a static information page after the minting has finalized. The NFTs will be in .png format and will need to be created through the overlay of multiple different assets (artwork to be provided to the freelancer) Requirements -Metamask wallet connectivity...

    $325 (Avg Bid)
    $325 Oferta promedio
    7 ofertas
    Blockchain Game 5 días left

    I want to build a series of game choices in an app and they must be connected to the blockchain, You must be proficient in building ethereum based apps

    $1260 (Avg Bid)
    $1260 Oferta promedio
    10 ofertas

    Hello, I'm looking for a solidity developer with a good experience in Defi to work with me and my team on two fields : - Analyse structure of a few given smart contracts (ETH AND BSC) and then explain their structure in an easy way to the team. - Develop ERC20 / BEP20 Tokens with different options and complexity (tax on buys, anti-whale mecanism, proxy contract, etc.) I have good knowledg...

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

    hello everyone I need expert binance smart chain Developer and well experience in any Blockchain technology

    $561 (Avg Bid)
    $561 Oferta promedio
    8 ofertas

    We are searching for a blockchain developer to work on an e-learning platform . The developers have to be able to build the following: 1- Smart contracts for the users, Payment, Governance, Staking, Featuring, Unlock certificates and Compensate training centres, Bid staking, Rewarding the users, lottery system 2- Tokenmoic system including the algorithm and the related smart contracts: The algo...

    $40 / hr (Avg Bid)
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    13 ofertas
    blockchain and crypto expert 5 días left

    blockchain and crypto expert wanted

    $205 (Avg Bid)
    $205 Oferta promedio
    10 ofertas

    I need uber like app that with using blockchain as gate way. Contact me if you can do it

    $1328 (Avg Bid)
    $1328 Oferta promedio
    16 ofertas

    Hello, I will soon buy a business related to crypto-currency. The business receives the money in ETH on an ERC-20 wallet, so the owner will give me the private keys to receive the money. The concern being: I can't change the private keys, so the last owner can log into the wallet and take the money. I can't change the wallet to receive the money either, because it is written in the sma...

    $36 / hr (Avg Bid)
    $36 / hr Oferta promedio
    16 ofertas

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