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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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    23 Gefundene Jobs, Preise in EUR

    install bitexchange bitdex for me must have previous experience of this install this, DO NOT BID IF YOU HAVE NOT INSTALLED THIS BEFORE must be done in 3 days includes deploying contract etc. DO NOT BID IF YOU HAVE NOT INSTALLED THIS DE CENTRALISED EXCHANGE BEFORE! install docs attached budget around $100

    €646 (Avg Bid)
    €646 Gebot i.D.
    3 Angebote
    bitcoin exchange 6 Tage left

    set up a full crypto exchanges

    €2008 (Avg Bid)
    €2008 Gebot i.D.
    21 Angebote

    Im Srivardhan Reddy from india. I heard a lot about the technology called blockchain and i need a blockchain specialist to teach me.

    €7 / hr (Avg Bid)
    €7 / hr Gebot i.D.
    3 Angebote

    We're an innovative blockchain company looking for a Lead Developer with Project/Product Management experience to lead our development team, and interact between the Business/Marketing Division and the dev team. We have an existing beta version of our product. We need starting a further development. A product is a Google Chrome Extension, so you must have extensive experience in JS/NodeJS de...

    €37 / hr (Avg Bid)
    €37 / hr Gebot i.D.
    19 Angebote

    PLEASE WRITE DOWN HOW MUCH LINUX EXPERIENCE YOU HAVE USING BITCOIN AND CRYPTOCURRENCIES! Automated and copy pasted bids will be ignored! Hey there! You are bidding to create 10 Blog Posts 500-700 words each with the below-described specifics and requirements! Your job will be to create unique and original web-content/blogs/articles on one of my website. The text has to be completely original a...

    €129 (Avg Bid)
    €129 Gebot i.D.
    34 Angebote
    I am looking for Bitcion expert. 5 Tage left
    VERIFIZIERT

    I have bitcoin website and need bitcoin expert.

    €163 (Avg Bid)
    €163 Gebot i.D.
    15 Angebote

    There is a set of testers of the new cryptocurrency cashbаck service We are recruiting people who should try out our new service, Cryptokeshbek. All beta test participants will receive $ 500 in Bitcоins for the test. If you have accounts on Blockchain, Binance, EXMO, Huobi, Coinbase. We invite you to cooperate. Our main tasks are to check the stability of the service, and if possible identify bu...

    €454 (Avg Bid)
    €454 Gebot i.D.
    5 Angebote

    Looking for a experienced Laravel and Cryptocurrency guru. To help us edit a Laravel eCommerce site. - Need to have experience with bitcoin,litcoin,monero,bcash payment gateways & JSON RPC

    €1074 (Avg Bid)
    €1074 Gebot i.D.
    40 Angebote

    I need a Bitcoin/Litecoin Lucky Numbers script implemented into my eCommerce market.

    €485 (Avg Bid)
    €485 Gebot i.D.
    14 Angebote

    quiero crear un algoritmo de criptomoneda

    €1139 (Avg Bid)
    €1139 Gebot i.D.
    20 Angebote

    we required BTC seller for project who have experience in this and can easily manage everything.

    €45 / hr (Avg Bid)
    €45 / hr Gebot i.D.
    3 Angebote

    Hi; Need Bitcoin invest and double your coin site : Account Deposit Withdraw Earning History Referrals Edit Account Home About Us Faq Paid Out Support Log OutAccount Regards

    €528 (Avg Bid)
    €528 Gebot i.D.
    30 Angebote

    A set of new beta testers comes to a new cryptocurrency exchange, everyone can participate in the absolute, even without experience. All beta participants will receive $ 500 in their balance for trading bitcoins. For each error we find, we pay 500 dollars.

    €238 (Avg Bid)
    €238 Gebot i.D.
    7 Angebote
    Crypto Exchanges data feed 3 Tage left
    VERIFIZIERT

    Im an active crypto trader and im in the need of a tool in order to enchance my trading. Basically i need to take data from two different exchanges (orderbook, orders, balance, position) using API. Both exchanges have API documentation. The most important thing about this Project is the speed, i need near 0 latency and no delay between the exchanges and the server. I need someone who can give me a...

    €38 / hr (Avg Bid)
    €38 / hr Gebot i.D.
    33 Angebote

    We need to test the operation of the ERC20 (CRYPTOCASHBACK) CSSBACK token. We invite specialists on working with smart contracts on the ethereum and blockchain networks. 1. It is necessary to conduct an audit. 2. Check the network stability. (make several transactions with our tokens within the ERC20 network. 3. Identify network vulnerabilities, if any. For more information send your applications ...

    €503 (Avg Bid)
    €503 Gebot i.D.
    12 Angebote

    I need someone who can install complete [Zur Anzeige der URL Anmelden] on my AWS server. You must have to have past experience about installing exchange. Exchange Liquidity Referral Multi language HOT/Cold Wallet erc20

    €217 (Avg Bid)
    €217 Gebot i.D.
    12 Angebote

    Looking for long term developer team for the new project. 1. Liquidity 2. 5 crypto Market - BTC,ETH,LTC,USDS, XRP 3. 20 ERC20 coins to be listed 4. New dark and light UI design (binance basic) 5. Admin Panel must have the listing function and adding market pair function. 6. Referral function needs to add and there should be manage function like 30%,50%80% as per admin mind. My budget is 200$ now...

    €1119 (Avg Bid)
    €1119 Gebot i.D.
    21 Angebote

    Before we move on please show me a demo of your work - centralized exchange platforms! We are looking perfect cryptocurrency exchange which you developed before so we can buy and launch by tomorrow!

    €781 (Avg Bid)
    €781 Gebot i.D.
    13 Angebote

    The task is to produce a working .exe build using [Zur Anzeige der URL Anmelden] this is a altcoin forked from litecoin 0.15 source code, this .exe must be executable from any windows system We will also need the step you followed to build the wallet

    €104 (Avg Bid)
    €104 Gebot i.D.
    8 Angebote
    Cryptocurrency Trading Simulator 1 Tag left
    VERIFIZIERT

    We are building a cryptocurrency analytics site and would like to integrate a crypto trading simulator as additional functionality within the site. This will need to be integrated into the current site architecture as well as our CRM system, and will also be tied to weekly and monthly tournaments where the winners receive real crypto prizes. Current site built with React and Gatsby.

    €45 / hr (Avg Bid)
    €45 / hr Gebot i.D.
    28 Angebote

    need to create concurrency trading website with payment gateway with btc wallet.

    €1791 (Avg Bid)
    €1791 Gebot i.D.
    8 Angebote
    security of contract Ende left
    VERIFIZIERT

    [Zur Anzeige der URL Anmelden] Hi, I want to have a security report form "Oyente". it should be done in 2-3 hours it is very simple because the contract in very simple. all u do is to follow the steps in the shared link. Max budget is 10 USD

    €11 (Avg Bid)
    €11 Gebot i.D.
    5 Angebote

    I am looking for engineer who can work with our team to develop the Bitcoin website... Must be good at Blockchain and website and DB.... Also, have got a good knowledge of AWS.

    €681 - €1361
    Versiegelt
    €681 - €1361
    58 Angebote

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