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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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    21 jobs found, pricing in USD

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

    $146 (Avg Bid)
    $146 Avg Bid
    7 bids

    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...

    $1283 (Avg Bid)
    $1283 Avg Bid
    9 bids

    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!

    $518 (Avg Bid)
    $518 Avg Bid
    8 bids

    The task is to produce a working .exe build using [login to view URL] 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

    $87 (Avg Bid)
    $87 Avg Bid
    5 bids

    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.

    $50 / hr (Avg Bid)
    $50 / hr Avg Bid
    21 bids

    Good day,  im looking for a coder who can build a exchange website with different cryptocurrencies for me. the websites main function is only buy and sell direct to us, it shouldnt have a trading system or something like that.  User register/login - deposit fiat or cryptocurrency - user can have balance on the site - if user want to buy cryptocurrency, should send fiat to site bank, an...

    $2766 (Avg Bid)
    Featured
    $2766 Avg Bid
    41 bids

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

    $1852 (Avg Bid)
    $1852 Avg Bid
    9 bids
    security of contract 4 days left
    VERIFIED

    [login to view URL] 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

    $12 (Avg Bid)
    $12 Avg Bid
    3 bids

    Building community for a cryptocurrency exchange. Building karma on reddit, followers on twitter and telegram, points on bitcointalk etc.

    $317 (Avg Bid)
    $317 Avg Bid
    7 bids

    I need a new website. I already have a design, I just need you to build it.I need someone that understands cryptocurrency, blockchain, specifically bitboss tokenized protocol that runs on Bitcoin sv.

    $1154 (Avg Bid)
    $1154 Avg Bid
    22 bids

    I am going to build a website to integrate with etherum blockchain. You must have rich experience with etherum, erc20token. This project must be finished in 10 days. Please bid if you are definitely confident in this field and add *blockchain expert in your proposal at first. Thanks.

    $1587 (Avg Bid)
    $1587 Avg Bid
    20 bids

    I'm looking for a program to perform multi-sign BTC and/or ECR20 token transactions offline and online It must support signing via hardware such as Trezor and Nano Ledger and AWS CloudHSM Java language preferred

    $181 (Avg Bid)
    $181 Avg Bid
    3 bids
    ETH, BTC deposit system 3 days left
    VERIFIED

    Hi, I want to talk to someone expert who has done the deposit system for ETH, BTC coins, I want to know the whole process from A TO Z that one developer can implement the deposit system in web application. Please only bid if you have developer the deposit system earlier, don't waste my and your time for the money.

    $9 / hr (Avg Bid)
    $9 / hr Avg Bid
    11 bids

    I want to use the secp256k1 C extension, but I don’t know the application of this algorithm. What I want to do is to encapsulate this extension as a function or class. When I call btc(sha256) I can get the address and private key of btc. (*I need to call on cuda) Na koniec otrzymam plik * .c lub * .cu [login to view URL]

    $237 (Avg Bid)
    $237 Avg Bid
    2 bids

    İ need CCI and MA combine Expert Adviser for forex..

    $117 (Avg Bid)
    $117 Avg Bid
    25 bids
    Crypto price checker 1 day left
    VERIFIED

    I need software that will be able to connect to 3 Cypro exchanges via API ( Bitmex, Deribit, Quedex) and compare BTC/USD and BTC/EUR prices between each exchange real [login to view URL] will be able to log prices in LOG tab in UI and also in text file.

    $495 (Avg Bid)
    $495 Avg Bid
    28 bids

    Need someone has the wikipedia creation experience. We are a cryptocurrency exchange, we need to build the wikipedia. We can provide you some based material.

    $266 (Avg Bid)
    $266 Avg Bid
    28 bids

    This project involves working closely with our Swiss Attorney. He will direct and the individual hired must be a Swiss Citizen with a background in accounting/finance. Requirements: - Swiss Citizen - Speaks English and French or German - Prepared to travel - Familiar with Crypto-currencies - Able to coordinate with Swiss Attorney to setup Swiss AG Company, will need to sign all legal an...

    $3624 (Avg Bid)
    Local
    $3624 Avg Bid
    4 bids
    Trading bot 10 hours left

    I need your Arbitrage trading bot mesage me with a demo

    $4125 (Avg Bid)
    $4125 Avg Bid
    12 bids
    Setup a bitcoin node with api 8 hours left
    VERIFIED

    Hello, We are looking for someone with experience working with bitcore, bitcoind etc. We want you to setup a read-only bitcoin node that we can use to fetch data from the blockchain. It should be deployed to aws/digitalocean. It should expose an api, feel free to use either node or ruby for the api. You dont need to add any authentication etc, the barebones bitcore comes with a built-in api that...

    $297 (Avg Bid)
    $297 Avg Bid
    23 bids

    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.

    $750 - $1500
    Sealed
    $750 - $1500
    55 bids

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