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Bitcoin is a crypto currency, with the creation and the transfer of the bitcoins being based on a protocol that does not depend on the central authority. The coins can be transferred through computers or through smartphones and related devices, without the necessity of having a financial institution as an intermediate. This concept was established by Satoshi Nakamoto in 2008 and it was geared towards the world of electronic cash systems. If you understand more about this topic on a professional level, then you have a better chance to enjoy the advantages of being a freelancer at Freelancer.com.

Bitcoin has its own technical part that needs to be addressed by professionals. If you are one of them, then you should be on a platform that ensures the consistency of job posting by clients. When working as a bitcoin freelancer at Freelancer.com, you will have access to many of the jobs posted by clients from all over the world and bid on those that are within your professional level. There is too much to enjoy while working at the leading freelancer platform online, including getting paid at rates that your services deserve, giving you the encouragement you need to keep on working on more Bitcoin projects.

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    10 份搜到的工作,货币单位为 HKD

    i want a simple script (one php file no design ) that : connect api »» sell ALL the BTC to USDT (with the actual best price) »» withdraw all the USDT to the given address

    $196 (Avg Bid)
    $196 平均报价
    7 个竞标

    We are searching for good quality coded P2P crypto trading script,as possible with self hosted wallets. Send offers with demo link, please dont offer the scripts like from codecanyon,no one from there is good and stable.

    $2754 (Avg Bid)
    $2754 平均报价
    16 个竞标

    Create the whole world to generate a new Blockchain-based cryptocurrency. Proof-of-stake model, also create the pool and nodes model. Initial product will be based on binance.

    $14322 (Avg Bid)
    $14322 平均报价
    65 个竞标

    I'm urgently looking for a fully customizable cryptocurrency wallet and funds manager written in python 3, that can safely and efficiently move funds between addresses and to and from all large CEX's and DEX's. I need this application to be customizable so that I can implement it as part of cryptocurrency trading bots that I am developing. The funds manager application should be compatible with BTC, USDT and XMR, and also allow for payments to and from legacy, bech32 and segwit btc addresses. I need to be able to send instructions to the funds manager through a command prompt as well by calling it in python applications. This project is fairly time-sensitive and I would like to have a working result within a few days if possible.

    $4175 (Avg Bid)
    $4175 平均报价
    13 个竞标
    Cryptocurrency Wallet 2 天 left
    已验证

    We are building a cryptocurrency wallet using Dart Flutter that enables users receive Bitcoin,ETH and BNB.

    $1201 (Avg Bid)
    $1201 平均报价
    17 个竞标
    Blockchain development -- 2 2 天 left
    已验证

    I need my own blockchain like Etherium. Read details in documents

    $39850 (Avg Bid)
    $39850 平均报价
    22 个竞标

    Some possible ways to hire blockchain and crypto exchange developers. The ways are Hire a dedicated team, Engineers on Hourly and Monthly basis based on your Project Development Requirements. CRYPTOCURRENCY DEVELOPMENT CRYPTOCURRENCY EXCHANGE SCRIPT CRYPTOCURRENCY EXCHANGE SOFTWARE DEVELOPMENT WHITE LABEL CRYPTO EXCHANGE SOFTWARE CRYPTOCURRENCY WALLET DEVELOPMENT DECENTRALIZED EXCHANGE SOFTWARE P2P CRYPTOCURRENCY EXCHANGE SOFTWARE HYBRID CRYPTOCURRENCY EXCHANGE SOFTWARE CRYPTOCURRENCY MLM SOFTWARE CRYPTOCURRENCY HYIP SOFTWARE CRYPTOCURRENCY DEVELOPMENT STABLECOIN DEVELOPMENT ALTCOIN CREATION SERVICES

    $71 / hr (Avg Bid)
    $71 / hr 平均报价
    4 个竞标
    Smart Contrat 1 天 left
    已验证

    Hello, is it possible to make such smart contracts as this one

    $1750 (Avg Bid)
    $1750 平均报价
    30 个竞标

    I am finding Laravel and Bitoin payment expert. Not ethereum and solana

    $5352 (Avg Bid)
    $5352 平均报价
    25 个竞标

    High level description: We have: 10,000 NFTs with metdata We need (high level): -Someone with experience of launching an NFT on ETH and Opensea, and a good understanding of Web 3.0 and Smart Contract Development. You will have to guide me on some aspects too, on the best way to mint etc. -A NFT Wesbite -A login for NFT holders (maybe metamask) Functions for NFT Holders: - Accept an Agreement after login and enter their name and address (only need to do this once, unless the NFT holder changes), date timestamp must also be stored for acceptance of agreement. - Ability to Submit a Proposal - Ability vote on proprosal - Ability to view table/rankings for proposals - Admin should be able to view and accept proposals amongst other functions Good english speaker required and you will need to ...

    $12525 (Avg Bid)
    $12525 平均报价
    44 个竞标

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