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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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    26 trabajados encontrados, precios en EUR

    Hola necesito un bot telegram q me permita registrar usuarios y registrar direcciones de wallet soy trader y quiero contribuir a ganar a los demás

    €21 (Avg Bid)
    €21 Oferta Promedio
    1 ofertas

    I need cryptocurrency developers who have a linkedin, and a github. You must have been a contributor to crypto projects on github. We are a ETH based start up, but we are doing a lot within the crypto real. The chosen candidates will be part of our real team, so only apply if you are willing to be a part of fast growing startup.

    €16 (Avg Bid)
    €16 Oferta Promedio
    7 ofertas
    Clikfunnels Expert Needed 5 días left
    VERIFICADO

    The Bitcoin City Project is looking for someone who is well experienced in operating clickfunnels. Reply "Hey BCP" for more details.

    €33 / hr (Avg Bid)
    €33 / hr Oferta Promedio
    9 ofertas

    The Bitcoin City Project is looking for a well experienced website developer who can build a clean and crisp site. Reply "Hey BCP" for more details.

    €30 / hr (Avg Bid)
    €30 / hr Oferta Promedio
    88 ofertas

    Want someone to create a new coin from PIVX source code. Fully functional, automatic and ready to use Crypto currency forked from PIVX. With all PIVX features: anonymous transactions, nodes, staking etc. Finished product should include bash file for easy setup of a masternode VPS on Ubuntu 18.04, and QT GUI wallets for Linux, Windows, Mac. Finished blockchain should not have Proof-of-work mining c...

    €14339 (Avg Bid)
    €14339 Oferta Promedio
    14 ofertas

    Requirements for a team: 1) Senior Java Background. 2) Solid Security and Cyber Security Background. 3) Must know how to create full nodes for the coins and tokens listed and offer liquidity solutions. 4) This is only for experienced firms and long term work can be offered! Pay will be for this project and 4 months of full support and security must be included. This is an ongoing long term proje...

    €4855 (Avg Bid)
    €4855 Oferta Promedio
    34 ofertas
    pine script to python 5 días left
    VERIFICADO

    Convert trading view pine script into python to generate stock market signals on live data while the market is in session and should send buy sell signals to excel sheet. More details attached.

    €11 (Avg Bid)
    Destacado
    €11 Oferta Promedio
    2 ofertas

    I'm looking for an expert developer! Build me a cryptocurrency decentralized exchange based on TRON You must have to show your previously developed project in the description. If you won't mention the similar project which you have done...I am not gonna reply...

    €620 (Avg Bid)
    €620 Oferta Promedio
    16 ofertas

    Binance Chain wallet developer

    €3909 (Avg Bid)
    €3909 Oferta Promedio
    38 ofertas

    Hi we need a CryptoCurrency & Blockchain Developer for our company work there two phases of this project first we will do simple phase 1 then move to phase 2

    €142 (Avg Bid)
    €142 Oferta Promedio
    26 ofertas

    I have the bones in place for this but cannot get it to compile under windows. I would need an expert in QT5 and C++ to take a look at my github repo and make the necessary changes to get this to work and compile under Windows, macOS, and [iniciar sesión para ver URL] transfering and compiling will be tested before payment is sent. You MUST have experience in QT networking and cryptocurrenc...

    €187 (Avg Bid)
    €187 Oferta Promedio
    11 ofertas

    A crash gambling site like [iniciar sesión para ver URL] - Bitcoin Deposits/withdrawals - Provably fair game - admin panel Want to know a price!

    €441 (Avg Bid)
    €441 Oferta Promedio
    24 ofertas

    We need JavaScript functions for creating EOS address, send EOS, RECEIVE EOS, and query EOS balance

    €91 (Avg Bid)
    €91 Oferta Promedio
    1 ofertas

    I need someone to install a fully functional waves paltform, a dex ( decentraliez exchange of [iniciar sesión para ver URL] and their gitub is [iniciar sesión para ver URL]) and if it’s necessarily to fork the waves blockchain No change no implementations, the design will be edited by one of our members, so just that there will be a new blockchain that will work over the dex, ...

    €262 (Avg Bid)
    €262 Oferta Promedio
    11 ofertas

    I have already posted this project previously also so those who have already worked in the past please don't ping me The person has to be good in the above mentioned platforms Also before starting the project the person has to perform sample demo trades for 2 days atleast and based on the win - loss ratio I will determine the best fit I am only looking for people who are consistent enough ...

    €952 (Avg Bid)
    €952 Oferta Promedio
    2 ofertas
    Fake BTC transaction generator 2 días left
    VERIFICADO

    We are looking for some developer to develop a bitcoin client, with the feature to send fake transactions to the chain. All we need is for the transaction to be shown in the [iniciar sesión para ver URL], obviously we don't expect them to ever get confirmed! Required: - Amount field - Bitcoin address field.

    €460 (Avg Bid)
    €460 Oferta Promedio
    5 ofertas

    I am an employee with Nova Ligna bvba but have my own business also D-zone... We are building snooker web site. Currently web site is almost done. We are looking a senior developer that know well how to process Ideal, bancontact, etc payments using Bitcoin, [iniciar sesión para ver URL],paypal, stripe, etc. I need simple test.

    €260 (Avg Bid)
    €260 Oferta Promedio
    21 ofertas

    Small project ( 2 to 3 pages ) about the idea of using Blockchain in the Egyptian banking sector , pros and cons and barriers .

    €30 (Avg Bid)
    €30 Oferta Promedio
    19 ofertas

    I've a working script that can trade between cryptocoin exchanges. Developed with nuxt envoriment with nodejs-express working as a backend script. Script is working and doing its job well. I need some revisions for its recently added ordersize feature thats not working as expected. I also need some other features like inventory control. Looking for a developer that has an experience on both n...

    €478 (Avg Bid)
    €478 Oferta Promedio
    26 ofertas

    5 friends (Alice, Bob, Carol, Dave, and Emma) are participating in an egg-hunt game where they are looking for hidden plastic eggs. Each egg is worth a certain number of points, and the goal of the game is to accumulate one million points (or more). We would like a commitment scheme where each of the players can proof he/she has 1 million points from the eggs they found, while revealing zero knol...

    €169 (Avg Bid)
    €169 Oferta Promedio
    5 ofertas
    Fork Github Repo for New Crypto 1 día left
    VERIFICADO

    fork the Pivx githug repo [iniciar sesión para ver URL] set up testnet, make sure everything works properly hash new genesis block and start the blockchain on mainnet compile wallets with new logo and sync to new chain you just created

    €1105 (Avg Bid)
    €1105 Oferta Promedio
    20 ofertas

    Hi there, I have a project has work completed 90%, But i need some updates on the project. It is in 3D and as Cryptocurrency like Bitcoin, I want to request for updating the Background text, (Digital Currency Blockchain Peer to Peer XXXXXXX PTC) and also change the color to Bitcoin, Please let me know if you can work it well. I'm willing to pay 40 USD for it.

    €51 (Avg Bid)
    €51 Oferta Promedio
    8 ofertas
    mining BTC production 2019 : 2025 19 horas left
    VERIFICADO

    Hello, I want a simple mining calculator of BTC coin production built on known difficulty of BTC eruption rates from year 2019 to 2025 with variable hash rate input. Thank you

    €23 (Avg Bid)
    €23 Oferta Promedio
    4 ofertas

    I am looking for help to create Java unit test for a project using Ethereum to send ETH. I use private chain in a closed environment but I have no idea how to get a transaction list of an address, while it’s easy to get it from Etherscan using testnet or mainnet.

    €450 (Avg Bid)
    €450 Oferta Promedio
    23 ofertas
    Bitcoin tarzı coin sitesi 4 días left
    VERIFICADO

    My website which allows you to create your own currency like Bitcoin purchase and sell with wallet system can contact any of the existing admin panel customer panel etc. NOTE: I'm not looking for a freelancer. Bitcoin alım satım benzeri kendi para biriminizi oluşturup cüzdan sistemli alım satım yapmanızı saglayan web sitem mevcut admin paneli müşteri paneli vb hazır durumda isteye...

    €125 (Avg Bid)
    €125 Oferta Promedio
    2 ofertas

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