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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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    20 jobs found, pricing in CAD

    I have the developed casino site by laravel. but I can't integrate the payment on my site. I want to integrate the crypto payment method. need the expert in this field. I will provide the details like source code on chat. Thanks

    $285 (Avg Bid)
    $285 Avg Bid
    22 bids

    I have My sol file customize it with some feature. Foe detail chat with me

    $10 - $26
    $10 - $26
    0 bids

    we need a really good senior blockchain developer in our team who has a good knowledge of defi and should advice us & our developers too & you have help us in making our application.

    $191 (Avg Bid)
    $191 Avg Bid
    2 bids

    I'm Brazilian and I need to develop a bitcoin receipt system that withholds fees. Currently I already have the system for receiving [login to view URL] itself, however I need to collect fees from my customers and I would like every payment to go through me, discount the fee and then send it to the customer's wallet. Example: Let's assume that my fee is 0.5%, when a user makes a pa...

    $765 (Avg Bid)
    $765 Avg Bid
    16 bids

    What to build a DeFi service platform having a reference live mainnet and test net project

    $2172 (Avg Bid)
    $2172 Avg Bid
    5 bids

    I am currently using a 2019/2020 version of the GC script. Initially it was working fine but after some days it started showing error getting address for the Beta Bitcoin option. I need a permanent fix to this. This is urgent and only those that have worked with this and fixed it should bid. PLEASE DO NOT SEND ME COPY AND PASTE RESPONSES.

    $295 (Avg Bid)
    $295 Avg Bid
    5 bids

    create a coin wallet and accept bitcoin in my e-commerse shop

    $1091 (Avg Bid)
    $1091 Avg Bid
    35 bids

    I want a fully functional forex trading website user dashboard similar to this LOGIN DETAILS: [login to view URL] test4884(at)[login to view URL] 123456

    $13 (Avg Bid)
    Guaranteed
    $13
    8 entries

    I am looking forward to building an OTC market platform where buyers and sellers of cryptocurrencies can come together and do trades over the counter, whereas seller's escrow is within the platform until the buyer confirms that they already paid.

    $2222 (Avg Bid)
    $2222 Avg Bid
    16 bids
    bit coin mining 4 days left
    VERIFIED

    bit coin mining

    $300 (Avg Bid)
    $300 Avg Bid
    2 bids
    Crypto KING 4 days left
    VERIFIED

    We are looking for THE best candidate! We are looking for skilled individuals with experience with cryptocurrency. Bitcoin and Mining is a must anything related to Buying, Selling, Trading and Mining of Bitcoins, Altcoins, Crypto Currencies . We look forward to meeting you!

    $1243 (Avg Bid)
    $1243 Avg Bid
    9 bids

    I am looking a developer to build a bitcoin selling site. My business buys and sells bitcoin. The website will consist of a Home page, Buy page, Sell page, Registration, Sign-in, FAQ, Contact us and members section. In the back office there will be a Activation Registration page and an Order Book to track buy and sell orders. The idea candidate needs to have- -Ability to create custom si...

    $3806 (Avg Bid)
    $3806 Avg Bid
    46 bids

    Taking the [login to view URL] or [login to view URL] smart-contract code and make adjustments The smart contract needs to be 95% decentralize and 5% centralized in order to make changes if needed The smart contract is 100% real and it's not Funzi scam and needs to make sure there is a back door for pulling the money to build the trust of the community. The goal of the contract is to be s...

    $32 / hr (Avg Bid)
    $32 / hr Avg Bid
    17 bids

    I need an expert to introduce me to a profitable trading platform. 1.) Automate trades 2.) Or copy trades You are to provide a trading bot and assist in setting up the trades. I need proofs that your trading system is profitable

    $341 (Avg Bid)
    $341 Avg Bid
    2 bids

    Looking for a Blockchain developer for telegram chat

    $110 (Avg Bid)
    $110 Avg Bid
    3 bids
    crypto exchange 2 days left
    VERIFIED

    hi I'm looking for a high-performance crypto-currency exchange Built-in high-performance matching-engine Built-in multiple wallet support (e.g. deposit, hot, warm, and cold) Build-in Management API - server-to-server API with high privileges Websocket API and high-frequency trading support Supports multiple digital currencies (BTC, LTC, BCH, DASH, ETH, XRP, TRX, BNB, OMG, VEN, ZRX, MKR, ADA, ...

    $3088 (Avg Bid)
    $3088 Avg Bid
    20 bids

    I need someone to build me bitcoin mining website I need to earn when someone signup and a script will run automatically in the background of laptop or desktop,, And people will be doing mining,,,through ram of a device anyone that can help

    $1614 (Avg Bid)
    $1614 Avg Bid
    9 bids
    btc transaction test 7 hours left
    VERIFIED

    we do different types of technical work, we are looking for someone who can create a fake bitcoin transaction , with 2 confirmations, and stay's in blockchain for about 4-5 day's before it goes away .

    $210 (Avg Bid)
    $210 Avg Bid
    3 bids

    *Proxy Mining pool * Hello everybody I would like you to build create develop install and design crypto mining pool for the following cryptos BTC , BCH , BSV ,ETH ,ETC ,LTC , ,XMR . ZEC , Dash , RVN , DGB , DOGE ,BTG, KMD , ZEN , DCR, BCD If you are familiar with Miningrigrentals dot com same technology about redi...

    $322 (Avg Bid)
    $322 Avg Bid
    3 bids
    aeinst digital fiat currency 22 days left
    VERIFIED

    Build a transmitted converted digital fiat currency exchange transaction website (cloud computing platform) iniating user data cryptographic credentials employing multiple payment forms of digital assets and other unlimited embodiments of different spending rights of different cryptographic credentials wherein parties involved may use same currency for consensus based blockchain and transaction c...

    $13 - $39
    Sealed NDA
    $13 - $39
    2 bids

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