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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.

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    28 δουλειές που βρέθηκαν, με τιμές EUR
    Clikfunnels Expert Needed 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    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 Μέση Προσφορά
    7 προσφορές
    Develop a complete business website 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    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.

    €29 / hr (Avg Bid)
    €29 / hr Μέση Προσφορά
    75 προσφορές
    Clone or Fork Pivx Coin (POS/MN Only, no POW) 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    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...

    €21040 (Avg Bid)
    €21040 Μέση Προσφορά
    9 προσφορές
    Build a Crypto Currency Exchange Platform Using Java 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    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...

    €4887 (Avg Bid)
    €4887 Μέση Προσφορά
    31 προσφορές
    pine script to python 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    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)
    Προεξέχον
    €11 Μέση Προσφορά
    2 προσφορές
    Build me a cryptocurrency decentralized exchange based on TRON 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    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...

    €647 (Avg Bid)
    €647 Μέση Προσφορά
    13 προσφορές
    €3895 Μέση Προσφορά
    38 προσφορές

    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

    €144 (Avg Bid)
    €144 Μέση Προσφορά
    25 προσφορές
    Add File transferring to crypto wallet 4 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    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 [κάνε είσοδο για να δεις το URL] transfering...

    €183 (Avg Bid)
    €183 Μέση Προσφορά
    12 προσφορές
    Bitcoin Gambling Site 4 μέρες left

    A crash gambling site like [κάνε είσοδο για να δεις το URL] - Bitcoin Deposits/withdrawals - Provably fair game - admin panel Want to know a price!

    €455 (Avg Bid)
    €455 Μέση Προσφορά
    23 προσφορές

    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 Μέση Προσφορά
    1 προσφορές

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

    €90 (Avg Bid)
    €90 Μέση Προσφορά
    1 προσφορές
    install a fully functional waves paltform blockchain 3 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    I need someone to install a fully functional waves paltform, a dex ( decentraliez exchange of [κάνε είσοδο για να δεις το URL] and their gitub is [κάνε είσοδο για να δεις τ&o...

    €261 (Avg Bid)
    €261 Μέση Προσφορά
    11 προσφορές

    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 ...

    €948 (Avg Bid)
    €948 Μέση Προσφορά
    2 προσφορές
    Fake BTC transaction generator 3 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    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 [κάνε είσοδο για να δεις το URL], obviously we don't expect them to ever get confirmed! Required: - Am...

    €458 (Avg Bid)
    €458 Μέση Προσφορά
    5 προσφορές

    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, [κάνε είσοδο για να δεις τ&omicro...

    €265 (Avg Bid)
    €265 Μέση Προσφορά
    20 προσφορές

    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 Μέση Προσφορά
    19 προσφορές
    revise my nodejs script related with cryptocoin 2 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    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...

    €476 (Avg Bid)
    €476 Μέση Προσφορά
    26 προσφορές

    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 Μέση Προσφορά
    5 προσφορές
    Fork Github Repo for New Crypto 1 μέρα left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    fork the Pivx githug repo [κάνε είσοδο για να δεις το 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

    €1089 (Avg Bid)
    €1089 Μέση Προσφορά
    19 προσφορές

    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 Μέση Προσφορά
    8 προσφορές
    mining BTC production 2019 : 2025 1 μέρα left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    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 Μέση Προσφορά
    4 προσφορές
    Help to create Java Unit Test for blockchain project 18 ώρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    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.

    €448 (Avg Bid)
    €448 Μέση Προσφορά
    23 προσφορές
    Online Payment Services website - credit cards and Bitcoin 11 ώρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Dear freelancer, We need to build an antire payment gateway website for cryptocurrencies where all users and merchants could get paid, deposit, exchange their coins to FIAT money on their wallet and request payouts to their bank accounts or to their bitcoin address. Payments method is only by credit card or bitcoin. However, nothing is going to be provided by us. You have to do it all, includ...

    €8534 (Avg Bid)
    €8534 Μέση Προσφορά
    46 προσφορές
    Arbitrage trading 10 ώρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    I'm looking for a man who is 100% worthy of arbitrage trading. I'm not looking for a beginner, but an experienced person. + reference

    €774 (Avg Bid)
    €774 Μέση Προσφορά
    5 προσφορές

    We need help with automatically creating wallet, sending and receiving & querying balance of Bitcoin Cash using nodejs

    €732 (Avg Bid)
    €732 Μέση Προσφορά
    8 προσφορές

    Hello I need a ready online dapp coin game.. like ETH game. I can give you full info in PM

    €2313 (Avg Bid)
    €2313 Μέση Προσφορά
    18 προσφορές
    Bitcoin tarzı coin sitesi 5 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    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 Μέση Προσφορά
    2 προσφορές

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