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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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    35 jobs found, pricing in NZD

    The PoC is already developed for a healthcare organisation, the authority of data provided by the patient is to be set. Only who has worked on Hyperledger fabric shall bid.

    $12 - $30
    $12 - $30
    0 bids
    Mining machine 6 days left

    from Antminer A3 to ObeliskSC1 firmware version update , or A3 to Lyra or quirk or Scrypt , as successful to do if you can than please do as soon as possible

    $13353 (Avg Bid)
    $13353 Avg Bid
    2 bids
    Mining machine 6 days left

    from Antminer A3 to ObeliskSC1 firmware version update , or A3 to Lyra or quirk or Scrypt , as successful to do if you can than please do as soon as possible

    $7972 (Avg Bid)
    $7972 Avg Bid
    4 bids

    I need a fully secure Cryptocurrency exchange open for customers in India with a few currencies already listed on it and should be equipped with full KYC.

    $1011 (Avg Bid)
    $1011 Avg Bid
    13 bids

    Looking for a core wallet system for Ethereum, XRP, and ERC token system. The wallet will need to generate new address for users and it must be installed and tested correctly with no security flaws. It would be preferred if you know C++. and have solid security background.

    $629 (Avg Bid)
    $629 Avg Bid
    13 bids

    The requirements are been attached and bid only after reading the document ! The entire project is been already opensource where you need to run the opensource git and then customize few changes. *** Again Bid only those whom really can work on this ***

    $300 (Avg Bid)
    $300 Avg Bid
    8 bids

    Hi, I thus need only experts who have already with with mining pools ! The requirements are been attached and bid only after reading the document ! The entire project is been already opensource where you need to run the opensource git and then customize few changes. *** Again Bid only those whom really can work on this ***

    $26 / hr (Avg Bid)
    $26 / hr Avg Bid
    7 bids
    Cryptocurrency Arbitrage Bot 5 days left
    VERIFIED

    I need some Python developer experience with CCXT to help me finish automatic buy of my arbitrage cryptocurrency bot.

    $77 / hr (Avg Bid)
    $77 / hr Avg Bid
    18 bids

    I'm looking for DAG expert. will discuss more via FL.

    $1942 (Avg Bid)
    $1942 Avg Bid
    8 bids

    I need someone to help with gitian builder. It keeps failing with an miniupnpc checksum error. I need someone to fix my code so that i dont get this error and to fix any other errors that i might get after the miniupnpnc thing.

    $34 (Avg Bid)
    $34 Avg Bid
    1 bids

    I know about cryptocurrency, but I am making no profit from it So I am in need of someone to teach me more about cryptocurrency Investments and al I need to know so as to make profit from it

    $1127 (Avg Bid)
    $1127 Avg Bid
    16 bids

    We want to develop a paper wallet generator for use in Cryptoart ([login to view URL]). Specifically, we want to fork the code from [login to view URL], then slightly modify the results page to fit our needs. More information found here: [login to view URL]

    $1734 (Avg Bid)
    $1734 Avg Bid
    27 bids

    Hello ! We are looking some one or company who can build us mobile app for both platforms android/ios. We are looking for simple product thats represents safe and easy mobile application of ethereum wallet similar to imToken ( check if you can) Wallet should be able to transfer funds beetwen whole etherum network. People after sms verification can send and recevie ethereum and tokens. Admin can...

    $3789 (Avg Bid)
    $3789 Avg Bid
    54 bids

    I need someone experienced in crytocurrency to suggest the best cryptocurrency to invest and that is the most profitable at the moment and to then guide me through the process of buying and selling the bitcoin or altcoin, depending on what you suggest. Im not wanting to get into cryptocurrency at the moment and to go too much into it, but just to buy and sell sone cryptocurrency. The amount im...

    $229 (Avg Bid)
    $229 Avg Bid
    9 bids
    Fresh cryptocurrency leads 2 days left
    VERIFIED

    I am looking for a list of 1500 opt-in and fresh cryptocurrency leads from Australia, Singapore and New Zealand. Details wanted: First name Last name Mobile number/landline The list has to be fresh and opt in.

    $73 (Avg Bid)
    $73 Avg Bid
    7 bids

    I am more into crypto and developed an ecomerce store and had a coin developed from a dev before. I want to integrate that coin with my ecommerce store, I know basic knowlege but want to learn more technically in detail. Looking forward for a good teach in crypto. Thank you

    $897 (Avg Bid)
    $897 Avg Bid
    5 bids

    Multi coin mining portal development Looking developer from Chennai only

    $646 (Avg Bid)
    $646 Avg Bid
    9 bids
    Masternode ranking website 2 days left
    VERIFIED

    I am looking for someone to create masternode ranking website similar to: [login to view URL] [login to view URL] [login to view URL]

    $272 (Avg Bid)
    $272 Avg Bid
    13 bids
    Betting Site 1 day left
    VERIFIED

    One of my client required betting site like [login to view URL] with crypto currency all money transaction by bitcoin or alt coin

    $3511 (Avg Bid)
    $3511 Avg Bid
    15 bids

    website is built in lavarel, ubuntu make it mobile and iPAD responsive + deploy tokens (truffle) on mainnet.

    $261 (Avg Bid)
    $261 Avg Bid
    15 bids

    I need Bitcoin wallet with good features

    $1222 (Avg Bid)
    $1222 Avg Bid
    23 bids

    I need some help with my business.

    $30 / hr (Avg Bid)
    $30 / hr Avg Bid
    13 bids

    I need some help with internet marketing.

    $12 / hr (Avg Bid)
    $12 / hr Avg Bid
    10 bids
    Website Automation Project 19 hours left
    VERIFIED

    Looking for an expert on Website automation, who could ensure fast scripting coding.

    $248 (Avg Bid)
    $248 Avg Bid
    14 bids

    I need you to develop some software to store bitcoin

    $26 / hr (Avg Bid)
    $26 / hr Avg Bid
    17 bids

    I need you to develop desktop crypto currency wallet

    $77 / hr (Avg Bid)
    $77 / hr Avg Bid
    33 bids
    Bitcoin insight api install 5 hours left
    VERIFIED

    Hello, I am in need of this; [login to view URL] Installed on my server, it MUST be in in production mode, which you can find installation help on here: [login to view URL] It must, else the site wont work. It will be tested, and if correctly installed, the site will be able to withdraw bitcoins using the api.

    $118 (Avg Bid)
    $118 Avg Bid
    5 bids

    Tool to export all Bitcoin transactions from blocks for a time period. Should save all details to excel/CSV.

    $642 (Avg Bid)
    $642 Avg Bid
    13 bids
    CryptoCurrency marketing 4 hours left
    VERIFIED

    Our goal is to promote VoteCoin, which is an existing crypto-currency (altcoin) offering features to create polls and voting in blockchain. For more see [login to view URL] Your job will be: - update VoteCoin Facebook and Twitter feeds on daily basis - promote VoteCoin on discussion boards, discord chatrooms, and other social media - communication with existing followers to promote VoteCoin furth...

    $284 (Avg Bid)
    $284 Avg Bid
    8 bids

    i need an expert in blockchain who can deploy my tokens to mainnet.

    $193 (Avg Bid)
    $193 Avg Bid
    25 bids
    Create a new Crypto Currency 43 days left
    VERIFIED

    Create a new Crypto Currency by Improving open source existing codes and ensure its reliability to connect to external environments, and implement sepcific specs and deliverables and high level security.

    $4953 - $8254
    Featured Sealed NDA
    $4953 - $8254
    58 bids

    I need a Crypto expert for my current projects. If you have knowledge please bid. Details will be shared in message with the freelancers.

    $144 (Avg Bid)
    $144 Avg Bid
    27 bids

    Quisiera Vender mi proyecto ya Finalizado de una App que ayuda a vender o comprar BTC ya Operativo envia Notificaciones en base de los parametros que se le coloquen, Solo necesito saber si hay alguna persona interesada para Venderlo o Asociarnos.. Es importante señalar que este Sistema ya esta en uso Por un grupo de Trader lo cuales comprar suscripcion por el uso

    $638 (Avg Bid)
    $638 Avg Bid
    4 bids

    Hola, deseo conectar la Api de localcitcoin a mi página web, que esta hecha en wordpress, deseo que sólo yo pueda publicar avisos de compra y venta a mis clientes, me gustaría que el diseño de la Api quedara con los colores que ya cuenta mi sitio web.

    $714 (Avg Bid)
    $714 Avg Bid
    13 bids

    Hola freelancers Estoy buscando alguien experto para crear una aplicación para hacer trading con bitcoin en la plataforma binance la aplicación tiene que estar basado en unas configuraciones específicas y fórmulas para hacer las compras y las ventas

    $712 (Avg Bid)
    $712 Avg Bid
    9 bids

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