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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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    34 работ(-а,-ы) найдено, цены указаны в USD
    Issue erc20 tokens for a shirt 6 дней(-я) left
    ПОДТВЕРЖДЕН

    We need someone who can advise us on issuing tokens with a shirt. We are thinking of doing limited edition on the shirts and would like to know if issuing tokens would be good to go along with this? Knowledge of programming or blockchain is a plus

    $185 (Avg Bid)
    $185 Ср. ставка
    10 ставки

    Good Morning, I wish for a system similar to that of MMM GLOBAL, MMM BRAZIL for mutual aid.... BTC, LTC, Mibank

    $5080 (Avg Bid)
    $5080 Ср. ставка
    17 ставки
    Trophy icon Name for a Cryptocurrency (Read Description) 6 дней(-я) left

    I am developing a cryptocurrency focused on user adoption, small business adoption and instant payments. The project will be focuse in Chile and Latin America, so the names should be easy to pronounce in SPANISH and ENGLISH. (Maybe you can check this with a text to speech program or something) The name should be related to fast payments or commerce and it must be non existant and original. EDI...

    $10 (Avg Bid)
    Гарантированный
    x11 coin Master node and Wallet 6 дней(-я) left
    ПОДТВЕРЖДЕН

    Dear Sir/Madam, We have Coin Name Pioneer Coin, [войдите, чтобы посмотреть URL] We need Blockchain developer who can do moderation, we have following requirement for our project, 1: Master Nodes Master node reward should split to three i: 45% to Miners ii: 45% to that wallet who fixed 1000 COINs. iii: 10% to self development wallet 2: Wallet our members complaining about...

    $4099 (Avg Bid)
    $4099 Ср. ставка
    33 ставки

    Hello. I need a smart web developer having long experience of Landing page & bitcoin & Email Subscription development. Here is job description. Responsive Landing Page that works with every device where we will show some text and ask user to input his email then when he click submit he has to be taken to btc payment where he pays 20$ with btc payment gateway (preference comes later) then w...

    $188 (Avg Bid)
    $188 Ср. ставка
    12 ставки
    Blockchain Miners 5 дней(-я) left

    Miners validate new transactions and record them on the global ledger ( blockchain ) for a new cyptocurrency. International company with many other projects available for the successful. Fluent English is required.

    $16 / hr (Avg Bid)
    $16 / hr Ср. ставка
    12 ставки

    for more details in message

    $30 (Avg Bid)
    Гарантированный Скрытый
    ICO plus Crypto Currency Exchange 5 дней(-я) left
    ПОДТВЕРЖДЕН

    I am going to buy crypto currency with credit card. and after purchased currency, need to transfer to other wallet. I will share more details to right candidate. You have to be experience with bitcoin exchanger.

    $38 / hr (Avg Bid)
    $38 / hr Ср. ставка
    44 ставки
    redpacket weixin 5 дней(-я) left

    need red packet services weixin

    $553 (Avg Bid)
    $553 Ср. ставка
    15 ставки

    Hi, So I've installed a Bitcoin game on my webserver called Bustabit. It requires 3 parts to work correctly. The bustabit-webserver, bustabit-gameserver, and bustabit-depositor. We have got the gameserver, and webserver working, but are having problems connecting the bustabit-depositor so that users can depsoit and withdrawl Bitcoin from the game. We need someone to help us configure the bust...

    $213 (Avg Bid)
    $213 Ср. ставка
    14 ставки
    forex trading website 5 дней(-я) left

    hello,i want to build a sentiment forex trading website but before i can start to say mlore...kindly send your offers to help IF ONLY....you have a past demo of your work or current exchange yu have build wich is forex so i can see

    $14515 (Avg Bid)
    $14515 Ср. ставка
    27 ставки

    Greetings! we are seeking an experienced blockchain developer. Now we are on progress to make realistic 3d game and we need to integrate blockchain for its infrastructure. Do not hesitate to apply. Hope to hear from you soon.

    $8394 (Avg Bid)
    $8394 Ср. ставка
    45 ставки

    I need highly talented developers for my blockchain project. further details will be disclosed after the NDA contract.

    $53461 (Avg Bid)
    $53461 Ср. ставка
    52 ставки

    A telegram bot, written in Php. Default payment wallet for investors to deposit it [войдите, чтобы посмотреть URL] api. I want it changed to myelin gear at gear.mycelium.com.

    $104 (Avg Bid)
    $104 Ср. ставка
    6 ставки
    Bustabit/Ethercrash Replica 4 дней(-я) left
    ПОДТВЕРЖДЕН

    I have a private bustabit source similar to [войдите, чтобы посмотреть URL] Looking for a developer to turn it into a website that runs on dogecoin and not bitcoin. Would be great if we can talk over discord/skype

    $810 (Avg Bid)
    $810 Ср. ставка
    25 ставки
    Simple custom Bustabit Betting Script 4 дней(-я) left
    ПОДТВЕРЖДЕН

    I need a custom Bustabit betting script created with a very simple strategy.

    $128 (Avg Bid)
    $128 Ср. ставка
    15 ставки
    Cryptocurrency Exchange Offer 3 дней(-я) left
    ПОДТВЕРЖДЕН

    I'm looking a team to work on the cryptocurrency decentralize exchange which is already developed. Its almost listed on coinmarketcap! We need to collect some fund for exchange then we can run smoothly! If you have an interest in running own business private me.

    $2775 (Avg Bid)
    $2775 Ср. ставка
    26 ставки
    Blockchain High Frequency Algorithm Trading Bot 3 дней(-я) left
    ПОДТВЕРЖДЕН

    Seeking a professional Mathematik Blockchain programmer that can create a HFT Algorithm Bot to trade in CryptoCurrency markets on all exchanges. The BOT I wish to have established is to minipulate CryptoCurrency Held in different exchanges. Ex: putting buy or sell orders in within milliseconds and re taking them for a profit before avaerage traders get the chance. This procedure can be performed o...

    $39 / hr (Avg Bid)
    $39 / hr Ср. ставка
    30 ставки
    RubyKube Expert 3 дней(-я) left

    I have a private blockchain, forked from Ethereum, with our own tokens, smart contracts, wallets etc. Now I would like to launch our own exchange, including our own tokens, as well as traditional cryptoassets (btc, eth, ltc, etc) with different currency pairs. I'm looking for an expert in RubyKube to help us build and deploy a crypto exchange based on RubyKube / Peatio on AWS.

    $22 / hr (Avg Bid)
    $22 / hr Ср. ставка
    20 ставки

    Need a blockchain and ICO content writer that is qualified in some famous forums and social networking site As I have mentioned, proof of work before is a must, people with experienced profile and other social links needed Inbox me when you BID, I will remove those who bid but never inbox.

    $354 (Avg Bid)
    $354 Ср. ставка
    5 ставки
    build high frequency automated crypto trading bidding bot 2 дней(-я) left
    ПОДТВЕРЖДЕН

    i m receiving signals by email and i need to build a bot that is extremely fast and bids over highest wall on the orderbook through api on bitfinex crypto exchange bot. pls only bid if you are experienced on the matter.. ex i receive signal, largest wall has 20000 coins selling for 1,01$, it will bid a fixed amount at 1,02$ to get filled, if he changes to 1,03 then bot should put 1,04$ etc.

    $813 (Avg Bid)
    $813 Ср. ставка
    19 ставки
    Integração Bitcoin 2 дней(-я) left

    Tenho um portal de produtos digitais, preciso integrar pagamento via bitcoin nele, ele ja possui pagamentos via Paypal e outros. Maiores informações serão passadas especificamente ma reunião.

    $419 (Avg Bid)
    $419 Ср. ставка
    8 ставки
    Crypto Article Rewriter needed from news site 2 дней(-я) left
    ПОДТВЕРЖДЕН

    Hello. I need some crypto related freelancer who can just rewrite around 300 words news and I need daily 10 article. All will be unique and spam free. I will be able to pay $1 for each article so each day $10. After 1 month payment will be increased as we are also new here. The applicant who are interested please feel free to apply. Regards

    $84 (Avg Bid)
    $84 Ср. ставка
    23 ставки
    Multinivel (MLM, Matrix Forzada,) 1 день left
    ПОДТВЕРЖДЕН

    Buenos días, Necesito un Programador para un proyecto de Multinivel (MLM, Matrix Forzada,) Para más detalles por favor póngase en contacto conmigo 1- Un proyecto de Donaciones, donde incluiremos Herramientas de Marketing, como servicios para los usuarios 2- Configurar métodos de pagos para la activación automática de cuentas después de completar el...

    $715 (Avg Bid)
    $715 Ср. ставка
    14 ставки

    Cryptocurrency project in need of a swap mechanism for a 1:1 swap from the old chain to the new one. coin ready. Need someone who is knowledgeable and can support project long term. Must have knowledge of the use of Github available open source in wallet swap mechanism in new wallet.

    $603 (Avg Bid)
    $603 Ср. ставка
    37 ставки

    I have an existing Coinbase Pro script that I would like to integrate with the TradingView API. I would like my Coinbase Pro script to only execute when during certain times of volatility and general buy/hold/sell conditions are present. The execution would be simple. The Coinbase API would check the TradingView API for certain market conditions and only execute the trade under certain conditio...

    $271 (Avg Bid)
    $271 Ср. ставка
    13 ставки

    I need a bash/shell script to cross compile the Windows Binaries for Krugercoin 0.9.3 on a standard Vultr or DigitalOcean Ubuntu 14.04 x64 server. The source code is found at; - [войдите, чтобы посмотреть URL] The Bitcoin Talk Forum; - [войдите, чтобы посмотреть URL] Additional resources; Building headless Bitcoin and Bitcoin-qt on Windows - [войдите, чтобы посмотреть URL] EasyWinBuilder...

    $130 (Avg Bid)
    $130 Ср. ставка
    3 ставки
    fork dash coin and (rename) 19 часов(-а) left
    ПОДТВЕРЖДЕН

    I am looking blockchain developer! I'm new in this sector but, I want to make my own coin (POS) need someone who can frok dash coin and complete the project. Comment below what we need to make same as a dash pos system! step by step that way I can increase fund! you can make price each section and submit I'll review carefully!!

    $1625 (Avg Bid)
    $1625 Ср. ставка
    40 ставки

    Dear Freelancers. I have created my cryptocurrency based on Dash And I want to upgrade it as follows - Upgrade from PoW to PoW/PoS - Implement SegWit, Replay Protection, Unique Address Format, Zero Knowledge Proof, Lightning Network feature. Please bid if you are experienced altcoin developer. If you can do this job and understand my requirement 100% please start your proposal with Five dots. Plea...

    $393 (Avg Bid)
    $393 Ср. ставка
    8 ставки

    Je recherche dans le cadre de mon entreprise un avocat capable de me fournir des solutions juridiques pour créer des ICO tout en optimisant la structure. Je suis diplomé en droit mais je recherche quelqu'un avec de l’expérience minimum 5 ans. Nous pouvons discuter des détails plus tard. Pas de réponse automatique

    $51 / hr (Avg Bid)
    $51 / hr Ср. ставка
    6 ставки
    Watch add get Bitcoin app 12 часов(-а) left

    I want that people can just open the app and advertisement will be showed. The user get paied in Bitcoins to the wallet he wants. If the user invite friends, he will earn a percantage of the earnings of his friend.

    $6 / hr (Avg Bid)
    $6 / hr Ср. ставка
    15 ставки
    I want to upgrade my cryptocurrency Algorithm and features 7 часов(-а) left
    ПОДТВЕРЖДЕН

    Dear Freelancers. I have created my cryptocurrency based on Dash And I want to upgrade it as follows - Upgrade from PoW to PoW/PoS - Implement SegWit, Replay Protection, Unique Address Format, Zero Knowledge Proof, Lightning Network feature. Please bid if you are experienced altcoin developer. If you can do this job and understand my requirement 100% please start your proposal with Five dots. Plea...

    $752 (Avg Bid)
    $752 Ср. ставка
    19 ставки
    Crypto Currency Exchange website 7 часов(-а) left

    I am going to buy crypto currency with credit card. and after purchased currency, need to transfer to other wallet. I will share more details to right candidate. You have to be experience with bitcoin wallet.

    $945 (Avg Bid)
    $945 Ср. ставка
    55 ставки
    Build A CryptoCurrency Exchange 18 дней(-я) left
    ПОДТВЕРЖДЕН

    we want to build a cryptocurrency exchange not token exchange not ICO website crypto exchange BTC BCH ETH LTC XRP NEO USDT also, we want to add two fiats for trading all coins should be able to trade with each other as a pair and for fiat as well *** you can download requirements document and read that in depth and word by word *** if you want to have a chance to choose as this project freelanc...

    $6000 - $8000
    Избранный Скрытый
    $6000 - $8000
    105 ставки