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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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    37 trabajados encontrados, precios en USD

    Hola, deseo conectar la Api de localcitcoin a mi página web, que esta hecha en wordpress, deseo que sólo yo pueda publicar avisos de compra y venta a mis clientes, me gustaría que el diseño de la Api quedara con los colores que ya cuenta mi sitio web.

    $490 (Avg Bid)
    $490 Oferta Promedio
    13 ofertas
    Cryptocurrency Arbitrage Bot 6 días left
    VERIFICADO

    I need some Python developer experience with CCXT to help me finish automatic buy of my arbitrage cryptocurrency bot.

    $53 / hr (Avg Bid)
    $53 / hr Oferta Promedio
    4 ofertas

    I'm looking for DAG expert. will discuss more via FL.

    $1291 (Avg Bid)
    $1291 Oferta Promedio
    6 ofertas

    I need someone to help with gitian builder. It keeps failing with an miniupnpc checksum error. I need someone to fix my code so that i dont get this error and to fix any other errors that i might get after the miniupnpnc thing.

    $23 (Avg Bid)
    $23 Oferta Promedio
    1 ofertas

    I know about cryptocurrency, but I am making no profit from it So I am in need of someone to teach me more about cryptocurrency Investments and al I need to know so as to make profit from it

    $746 (Avg Bid)
    $746 Oferta Promedio
    13 ofertas
    Develop a paper wallet generator 5 días left
    VERIFICADO

    We want to develop a paper wallet generator for use in Cryptoart ([iniciar sesión para ver URL]). Specifically, we want to fork the code from [iniciar sesión para ver URL], then slightly modify the results page to fit our needs. More information found here: [iniciar sesión para ver URL]

    $1159 (Avg Bid)
    $1159 Oferta Promedio
    26 ofertas

    Hello ! We are looking some one or company who can build us mobile app for both platforms android/ios. We are looking for simple product thats represents safe and easy mobile application of ethereum wallet similar to imToken ( check if you can) Wallet should be able to transfer funds beetwen whole etherum network. People after sms verification can send and recevie ethereum and tokens. Admin can...

    $2595 (Avg Bid)
    $2595 Oferta Promedio
    52 ofertas

    I need someone experienced in crytocurrency to suggest the best cryptocurrency to invest and that is the most profitable at the moment and to then guide me through the process of buying and selling the bitcoin or altcoin, depending on what you suggest. Im not wanting to get into cryptocurrency at the moment and to go too much into it, but just to buy and sell sone cryptocurrency. The amount im...

    $157 (Avg Bid)
    $157 Oferta Promedio
    9 ofertas
    Fresh cryptocurrency leads 4 días left
    VERIFICADO

    I am looking for a list of 1500 opt-in and fresh cryptocurrency leads from Australia, Singapore and New Zealand. Details wanted: First name Last name Mobile number/landline The list has to be fresh and opt in.

    $57 (Avg Bid)
    $57 Oferta Promedio
    6 ofertas

    I am more into crypto and developed an ecomerce store and had a coin developed from a dev before. I want to integrate that coin with my ecommerce store, I know basic knowlege but want to learn more technically in detail. Looking forward for a good teach in crypto. Thank you

    $616 (Avg Bid)
    $616 Oferta Promedio
    5 ofertas

    Multi coin mining portal development Looking developer from Chennai only

    $443 (Avg Bid)
    $443 Oferta Promedio
    9 ofertas
    Masternode ranking website 3 días left
    VERIFICADO

    I am looking for someone to create masternode ranking website similar to: [iniciar sesión para ver URL] [iniciar sesión para ver URL] [iniciar sesión para ver URL]

    $187 (Avg Bid)
    $187 Oferta Promedio
    13 ofertas
    Betting Site 3 días left
    VERIFICADO

    One of my client required betting site like [iniciar sesión para ver URL] with crypto currency all money transaction by bitcoin or alt coin

    $2368 (Avg Bid)
    $2368 Oferta Promedio
    14 ofertas
    i need changes for my ICO website 2 días left
    VERIFICADO

    website is built in lavarel, ubuntu make it mobile and iPAD responsive + deploy tokens (truffle) on mainnet.

    $180 (Avg Bid)
    $180 Oferta Promedio
    12 ofertas

    I need Bitcoin wallet with good features

    $806 (Avg Bid)
    $806 Oferta Promedio
    22 ofertas

    I need some help with my business.

    $22 / hr (Avg Bid)
    $22 / hr Oferta Promedio
    14 ofertas

    I need some help with internet marketing.

    $8 / hr (Avg Bid)
    $8 / hr Oferta Promedio
    10 ofertas
    Website Automation Project 2 días left
    VERIFICADO

    Looking for an expert on Website automation, who could ensure fast scripting coding.

    $170 (Avg Bid)
    $170 Oferta Promedio
    14 ofertas

    I need you to develop some software to store bitcoin

    $18 / hr (Avg Bid)
    $18 / hr Oferta Promedio
    17 ofertas

    I need you to develop desktop crypto currency wallet

    $53 / hr (Avg Bid)
    $53 / hr Oferta Promedio
    31 ofertas
    Bitcoin insight api install 1 día left
    VERIFICADO

    Hello, I am in need of this; [iniciar sesión para ver URL] Installed on my server, it MUST be in in production mode, which you can find installation help on here: [iniciar sesión para ver URL] It must, else the site wont work. It will be tested, and if correctly installed, the site will be able to withdraw bitcoins using the api.

    $94 (Avg Bid)
    $94 Oferta Promedio
    4 ofertas

    Tool to export all Bitcoin transactions from blocks for a time period. Should save all details to excel/CSV.

    $440 (Avg Bid)
    $440 Oferta Promedio
    13 ofertas
    CryptoCurrency marketing 1 día left
    VERIFICADO

    Our goal is to promote VoteCoin, which is an existing crypto-currency (altcoin) offering features to create polls and voting in blockchain. For more see [iniciar sesión para ver URL] Your job will be: - update VoteCoin Facebook and Twitter feeds on daily basis - promote VoteCoin on discussion boards, discord chatrooms, and other social media - communication with existing followers to promo...

    $187 (Avg Bid)
    $187 Oferta Promedio
    7 ofertas

    Hola freelancers Estoy buscando alguien experto para crear una aplicación para hacer trading con bitcoin en la plataforma binance la aplicación tiene que estar basado en unas configuraciones específicas y fórmulas para hacer las compras y las ventas

    $489 (Avg Bid)
    $489 Oferta Promedio
    9 ofertas

    i need an expert in blockchain who can deploy my tokens to mainnet.

    $132 (Avg Bid)
    $132 Oferta Promedio
    22 ofertas

    We are in need of an individual with solid internet research skills to collect information on various crypto-currencies. Knowledge of Google's productivity suite is a plus.

    $23 (Avg Bid)
    $23 Oferta Promedio
    28 ofertas
    Create a new Crypto Currency 45 días left
    VERIFICADO

    Create a new Crypto Currency by Improving open source existing codes and ensure its reliability to connect to external environments, and implement sepcific specs and deliverables and high level security.

    $3387 - $5646
    Destacado Sellado Acuerdo de Confidencialidad
    $3387 - $5646
    57 ofertas

    Need lead generation who want to do trading (buy/sell bitcoins) It is important that full information were set in these leads (Email, Full name, phone number) Locations: Norway Denmark Sweden Germany Czhech Republic Netherlands UK Singapore South Africa(Cape Town, Johannesburg) Will lead to long term if leads are having good quality. Please apply only if you are experienced and know what are b...

    $3414 (Avg Bid)
    $3414 Oferta Promedio
    11 ofertas

    I need you to develop a software for bitcoin transaction

    $55 / hr (Avg Bid)
    $55 / hr Oferta Promedio
    24 ofertas

    Looking for a team to build back-end modules for an cryptocurrency wallet application. This is part of bigger overarching project and repeat business will happen on completion of each module. Using QT5.11. Please contact us for further information.

    $23 / hr (Avg Bid)
    $23 / hr Oferta Promedio
    17 ofertas

    Hello, if you can create a trading website like [iniciar sesión para ver URL] contact me to make the deal

    $2287 (Avg Bid)
    $2287 Oferta Promedio
    35 ofertas

    I want to setup a low difficulty pow coins mining pool with auto exchange option to bitcoin, eth, etc, ltc, doge on Windows and merged mining option also. I also want paypal and paytm withdrawal option.

    $417 (Avg Bid)
    $417 Oferta Promedio
    3 ofertas

    I would like a website build which is a clone of localbitcoins.com. I want the technology stack to be ruby on rails.

    $1213 (Avg Bid)
    $1213 Oferta Promedio
    12 ofertas

    REQUIREMENTS SUMMARY Concept: Cryptocurrency Escrow based Trading solution Like Huobi Cryptocurrencies (3): BTC, ETH, USDS(Erc20) Fiat Currencies (5): USD, GBP, EUR, VND, JPY Trading Pairs with Escrow feature (15): BTC Paired with 5 Fiats ETH Paired with 5 Fiats USDS Paired with 5 Fiats Wallets: Hot Online wallet / integrated Cold wallet Deposit / Withdraw Options: QR Code scanning Walle...

    $2766 (Avg Bid)
    $2766 Oferta Promedio
    23 ofertas

    This will be a rest api app for use with cryptocurrency trade exchane Bitmex, it have to work on a server, here is the sample app (working and active): [iniciar sesión para ver URL] Need to create a new one from scratch, %95 smiliar to this one, no need to algoritm for auto trades, the main thing is, sending the orders to all saved members accounts at same time over api keys, you can wri...

    $21 (Avg Bid)
    $21 Oferta Promedio
    3 ofertas
    Crypto Casino site 2 horas left
    VERIFICADO

    Hello i'm looking for a developer, who can make a website exact like [iniciar sesión para ver URL] - Games Dice, Chart/crash, Roulette and many more - Automatic deposit after 1 confirmation. - Automatic withdrawal at low amounts, manuel withdrawal at higher amounts. - deposit/withdraw Bitcoin, Eth, Dash, XRP, XRM and so on. - 2fa authentication - full control panel for admins - Liv...

    $10391 (Avg Bid)
    $10391 Oferta Promedio
    14 ofertas

    I need a Crypto expert for my current projects. If you have knowledge please bid. Details will be shared in message with the freelancers.

    $99 (Avg Bid)
    $99 Oferta Promedio
    27 ofertas

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