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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    Desarrollo Blockchain 6 дні(-в) left

    e busca programador para desarrollo blockchain. Token BSC Web dinamica dapp Staking Swap Farm Conocimientos de auditoria, preventas, listados. Categoría: Programación y Tecnología Subcategoría: Programación Web

    $1277 (Avg Bid)
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    I would potentially like to work on a blockchain project with you. I require an NFT market place with its own token that (We can discuss further details on this). Should have complete UI, backend, buy, sell and auction functionalities. Metamask, Trust wallet integration. Have customizable user profiles, the ability to like NFTS. Should be scalable etc. (we can discuss more details on this, based on if we reach a consensus regarding your rates) We can use opensea or rarible as examples, but you get the basic idea.

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    Marketplace for a game 6 дні(-в) left
    ПІДТВЕРДЖЕНО

    Hello need marketplace with my game AND mint nft with the items on game .. please only expert developer have múltiple task

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    Blockchain game 6 дні(-в) left
    ПІДТВЕРДЖЕНО

    I am looking for a full-stack engineer that helps us to develop a Metaverse sandbox game like Sandbox

    $18 / hr (Avg Bid)
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    Arbitrage Flashloan 6 дні(-в) left

    I need a blockchain developer or coder to build me a smart contract that would use a flash loan to do arbitrage between crypto exchanges. I'm not sure if a flashloan can be done for arbitrage between centralized crypto exchanges. I'm looking to do a large scale arbtitrage flashloan. Let me know if you can help. Thank you.

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    Create crypto wallet 6 дні(-в) left

    New coin released based on LTC. Looking for a developer to build, - IOS and Android wallet - one way Swap We already have windows and lunix wallet

    $27 / hr (Avg Bid)
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    TOKEN FEATURES o Defi NFT Metaverse Project o Binance Smart Chain o Will not do token pre-sale on our own website. o Whitelist will be done for token o ICO will be done on pads, IDO will be done PancakeSwap v2 o NFT items will be minted on our own website. (metamask wallet connection) o Tokens sold in ICO-IDO will remain locked for 3 months. o Staking feature will be in phase 5 in the future. o Minted NFT items can be sold on the 3rd party NFT marketplace. Also NFT items can be bought and sold in the LasMeta marketplace. o Our token can be used to purchase in-game on platform. o The revenues of the players in the game are collected in a pool, obtained from the deductions arising from the transactions, and are shared according to everyone's share of the profit. o NFT holders will earn...

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    We have developed new website but need to connect wallets such as metamask, phantom and so on. Please check above URL and put "Blockchain expert" at the top of the bid.

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    trading bot 6 дні(-в) left

    I need experienced developer who has enough hands in pancake swap. The requirements will be shown through communication.

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    24 заявки

    Our team is interested in developing our first NFT project. The ideas are similar to existing nft projects and the scope of this work will be to build out the website with minting capabilities- utilized ERC-721 to deploy the tokens, link the artwork to the smart contract and anything in between. You should have previous NFT project development experience. Familiar with smart contracts, general blockchain, webdevelopment, IPFS. Looking forward to hearing back and working with you. Thanks

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    Heey im looking for a bot developer who can help us do a bot for deriv and which we shall be selling to our users. we have over 800 users who already want a bot with high winning rate above 90% no matter the strategy. and make a decent profit of approx 10% per trade. We want the bot to be sold as a package to our users from our website where they sign up get all training materials and get to buy the bot. The bot to be subscription based and can only be used for one account

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    I Need A Solana Developer 6 дні(-в) left

    Looking for a Solana developer who can create and code an Olympus DAO Fork on Solana.

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    Blockchain developer preferably from South India 6 дні(-в) left
    ПІДТВЕРДЖЕНО

    Hello! We are working on building a Social Media app on Blockchain technology. Posting the opening here to find someone from South India with whom we can understand the technology and work on implementing it to our app.

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    Cryptocurrency Specialist 6 дні(-в) left

    We are a worldwide company looking for an experienced cryptocurrency analyst. Our foundation will provide legal and medical assistance to the population and help mitigate Covid-19 consequences; In such a way that the people can return to Normal Life. Currently, we are looking for an experienced cryptocurrency analyst to start as a freelancer with ample opportunity to evolve into a Cryptocurrency Specialist role. Qualifications ●1-2 years of work experience with at least 1 year of cryptocurrency experience ●Good knowledge of the crypto sector ●Compulsory knowledge of English ●Desirable (but not required): knowledge of Spanish ●Experience working remotely ●Gather and provide feedback to the foundation team on how we could improve ●Experience working with a globally distributed team ●Projec...

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    Technical Product Manager: Blockchain Project 6 дні(-в) left
    ПІДТВЕРДЖЕНО

    In search of a senior product manager with blockchain experience who can design, develop and prepare a product development plan for a web 3.0 product in the NFT space.

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    I am interested in starting to mine cryptocurrency and I require someone to guide me through the setup. My machine is HP Elite 8300 SFF Quad Core i7-3770 3.4GHz 16GB 256GB SSD + 1000GB HDD DVD WiFi Windows 10 Professional Desktop PC Computer. It will be dedicated to mining only. I want to set up the machine on the 6th Dec. I want to mine Eth, Zcash, Litecoin, and BTC or similar coins. I'm not sure the limit of the machine so perhaps only 2-3 coins could be achievable. I would prefer a package/GUI that allows me to monitor. Example Awesome Miner, BetterHash etc.

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    Experienced Solidity DEV for Wonderland dAPP fork 6 дні(-в) left
    ПІДТВЕРДЖЕНО

    We are having some troubles with the Wonderland dAPP contracts in a fork we are doing. The contracts are no different than wonderland, just the name changes. You MUST have experience with Wonderland or at least Olympus DAO contracts

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    Hello there our company needs a Blockchain engineer and a Game developer in Turkey. it can be full time/part time. tell me if you are interested

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    Build Solana Token 6 дні(-в) left
    ПІДТВЕРДЖЕНО

    I am looking for someone to setup a Solana token for me.

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    create cryptocurrency and configuring it 6 дні(-в) left
    ПІДТВЕРДЖЕНО

    We are looking for a developer for long term relationship who can create the necessary repositories and their dependencies of this cryptocurrency and install them on our server. So that we can configure and develop them as our own cryptocurrency. here the cryptocurrency we want to work with is this : !!! Important requirements !!! - Extensive knowledge and practical experience in , , Development - Deep understanding of what a distributed ledger is and how it works. - Experience with P2P networks - Experience in UI/UX !!! please only Developer who meets this minumum requierments and can show references of their work !!!

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    Good day, i am an NFT Creator who has created and minted a NFT project of 2d characters. my goal is to have a 2-d platformer game where users can connect their NFT's and fight them against one another i want 4 game modes -single player (fight vs cpu,every 6 fights is a boss battle) -Battle Arena (free for all with a handful of users) -multiplayer no stakes (Fight PvP no gambling involved) -Multiplayer High stakes (Fight PvP user can bet) not sure if it makes more sense to create my own token for in game betting and in game rewards or just to use an already established token -- this is something ill need help deciding

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    Bulk 3000+ NFT upload on Opensea 6 дні(-в) left
    ПІДТВЕРДЖЕНО

    Looking for expert developer who can bulk upload NFTs, Content in csv and images will be provided in PInata cloud You must have experience with NFTS, opensea and Pinata

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    NFT MarketPlace Created 6 дні(-в) left
    ПІДТВЕРДЖЕНО

    I am looking for someone to see if they can make a NFT market place just for my own NFT's It has to handle connecting to metamask, accepting and displaying for sale nFTS placed by the users of the website that have bought the NFTS, it would have to display the NFT's metadata and handle the buying and selling of the NFTS and the xfer of them to the new buyer Looking for a designless implementation as I will integrate it into the body of my website its an addon in my website rather then a main feature

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    We need our first lot of 120 NFTs uploaded into Opensea on the IPFS Create a website similar to weird whales NFT is needed for minting and sending to opensea - If you have no feedback you wont be selected

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    Hi We are working on Asset tokenization platform which generate ERC 20 Tokens against the assets and we put it for sale on our website and Token holders earn Monthly Rent/profits against the assets, We want a developer to add Rent/Profit Calculations with detailed reports, Whitelisting of Tokens so current token holders can get the rents, Please be noted rents are calculated on per second basis so the rent/profits payments are calculated for the token holding period only. Also currently our Cart supporting Coibase but somehow its not adding the transactions in the backend for coinbase payments (should be a small glitch) as payments are processing, currently user can enter only one wallet address for recieving token and rents however we want to allow user to add different wallet addresses f...

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    We are looking for a block chain developer that can help us debug Olympus DAO fork on AVAX. We are only looking for somebody with previous experience in Olympus DAO forks The project is launched, we are having issues with the minting and bonding contracts. Deadline is urgent.

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    Meta World builder- phase 1 of our meta verse 6 дні(-в) left
    ПІДТВЕРДЖЕНО

    Launching an NFT (we have the launch part covered) as a digital pass to our metaverse, will need to build an initial "homeworld" planet for our passholders to hang out in after the NFT drops. We are working our way towards game play/land ownership, but inside Phase 1 we just need basic "community space" infrastructure built out with some reasonable functionality/interactivity. Picturing a small futuristic like town/city square built with an assortment of indoor spaces, lounges, art auction houses, storefronts, etc... Part of an overarching series of planets inside our verse. Opportunity to forge a long term working relationship on this and future projects/planet drops. Start your proposal with the word meta Need someone for a long term project. Must have experience b...

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    Similar to: Listing: Proven professional to provide a "complete" fully inclusive high-quality custom turnkey ICO token contract. (including website, roadmap, audit, whitepaper, social media, exchange listings etc) Bidders to provide concise details of what they have allowed for in their bid.

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    metaverse nft game 6 дні(-в) left

    Hi - are you able to create a metaverse world from scratch? I need the virtual world to have areas to to view videos, egaming, NFTs gallery areas, receive token rewards, play2Earn, voting areas and sell other real estate parcels.

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    ICO blockchain expert 6 дні(-в) left

    Developing smart contract tokens distribution for Initial Token Offerings (pre-sales) 1. Token Distribution Systems (like merkle-distribution and bulk sender). 2. Bridge Token of Ethereum and Solana. 3. Solidity Blockchain.

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    If serious can apply I need to blockchain developer knows:- NFT, game and etc Send proposal as well as resume otherwise your rejected. Thanks

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    Investment Advisor 6 дні(-в) left

    - Experience in (CEX/ DEX) exchange platforms or crypto investment funds highly preferred - Propose feasible and profitable investment strategies (short-term investing is preferred) - Offer a wide range of services from blockchain consulting service to investment advisory - Identify the crypto market trend and formulate trading opportunities

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    Senior Blockchain developers only 6 дні(-в) left
    ПІДТВЕРДЖЕНО

    Hello freelancers. Greetings. I want to build a bridge between Polygon and Binance Smart Chain. I already have 2 tokens created(one is on bsc and the other one is on polygon). And then the smart contracts for bridge is done. So I want you to add 2 tokens to bridge and verify the bridge works. Please bid with explanation how you are going to approach my requirements. Thanks in advance.

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    Create a cryptocurrency token 6 дні(-в) left
    ПІДТВЕРДЖЕНО

    Looking for someone with a lot of experience to create a cryptocurrency token for me from A-Z

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    Hard Fork from LiteCoin 6 дні(-в) left

    Hello , I need programmer to make hard fork from litecoin to new coin , If some one can do it let me know , the price maybe change if you give me more powerful change on main code . thanks .

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    currency to virtual currency trade engine

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    Looking for an experienced developer for an under 1 month project. You will work with a single point of contact for this project, tech-savvy but not a developer. This contract's scope is to create a complete fork of Wonderland DAO including all token creation, staging site, and live site (to be activated by point of contact). Must be experienced with Typescript, Solidity, and general web development. Please note we are creating a Blockchain Application, not a website/blog/etc. To be a best fit for this project you need: Ability to communicate clearly Dedication to meet project deadlines in a timely manner Attention to details

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    Build me a CMS by forking LBRY Protocol 6 дні(-в) left
    ПІДТВЕРДЖЕНО

    Hello, I want some expert who can build a Decentralized App (DApp) on LBRY (). Let me know if you anyone has experience and can do this? I will send more details for interested parties.

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    Building a NFT Game 6 дні(-в) left

    We want to build a NFT staking game. If you are familiar with Avax Wolf Game, please help us.

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    Create 10 Art NFT’s 6 дні(-в) left

    Artist looking for developer to create NFT PLATFORM or 10 NFT’s to bring to public.

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    Solidity web3js coders needed -- 2 6 дні(-в) left
    ПІДТВЕРДЖЕНО

    We are looking for an expert of solidity and web3js to wok on an on-going project to solve bugs of walletconnect only bid if you know what walletconenct is and how to implement People with good portfolio will get this job

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    Crypto Wallet App 6 дні(-в) left

    I am needing some to create a crypto app with a nft marketplace I will also need you to integrate my coin into the app please only apply if you have had previous experience with similar work and can respect my budget. You should make it similar to the desktop app attached below. this is design.

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    I am needing some to create a crypto app with a nft marketplace I will also need you to integrate my coin into the app please only apply if you have had previous experience with similar work and can respect my budget

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    Hello I am looking for senior metamask and integration expert. I will provide current website link and source. Please check out and click "Metamask" to move next page. I will need you integration after check. I will share detail with right candidates. David

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    I am looking for senior metamask and integration expert. I will provide current website link and source. Please check out and click "Metamask" to move next page. I will need you integration after check. I will share detail with right candidates. thanks

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    I am looking for senior metamask and integration expert. I will provide current website link and source. Please check out and click "Metamask" to move next page. I will need you integration after check. I will share detail with right candidates. thanks

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    Develop crypto token 5 дні(-в) left
    ПІДТВЕРДЖЕНО

    Looking for a blockchain expert/developer to discuss and develop a new project. The initial interview is a must for this project. P.S Looking to explore options other than ETH (or BEP20 token) due to high gas fees. The project will require ongoing development/support.

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    The budget is $1000, if you think you'll need extra help then part of the budget will be used for that help and you'll get the rest. This will be on WordPress and you'll be provided a wordpress dev and that devs work is not included in this budget. We want to integrate: Torus - tool to have users signup and login with their social accounts and creates and connects a Terra address to those accounts. Also allows login with Face/Touch ID. The Torus team confirmed this should only take one day to setup. Transak - allows user to buy crypto with fiat and will deposit onto the Terra address. The Transak team confirmed this should only take one day to setup. We are integrating popular blockchain tools to our wordpress site. Another site already intergrates Torus and Transak ...

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    Python/Blockchain Sniping Bot Changes 5 дні(-в) left
    ПІДТВЕРДЖЕНО

    ***** Looking for blockchain knowledge ***** I have the code working perfectly, it searches the BSC for new tokens and automatically buy right after liquidity is added, but I need to change some things. This are the tasks you are being hired to do: 1) I want it to snipe a specific token instead of searching new tokens. Definition of "snipe": Catch the "add liquidity" event for a specific token address and launch a buy order as soon as possible. 2) I want you to advise me how to improve the speed of transactions, I'm pretty sure we can use a node or something to improve speed, I need advise + development of whatever you suggest is the best. 3) Add a log file with all the tokens bought and the amount spent on each transaction. *If you feel this is a job that yo...

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    Need solana expert 5 дні(-в) left

    We have a project on bsc. We are going to move on the solana. We have 4 web desinger. We are looking for developer who can develop the smart contract on solana. Bid if you are experience in the solana. Thanks.

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