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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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    27 trabajados encontrados, precios en USD

    Plataforma en donde funcione una casa de intercambio de criptomonedas, iniciando con Bitcoin, Ethereum y Dash y luego ir incorporando mas criptos. Desarrollo en python, manejo de API. Esta plataforma iniciara operando en Colombia, luego se ira expandiendo a toda América Latina

    $834 (Avg Bid)
    $834 Oferta Promedio
    13 ofertas
    Tbcexchange 6 días left

    My website is all about trading and TBC exchange to Bitcoin

    $518 (Avg Bid)
    $518 Oferta Promedio
    7 ofertas
    crypto wallet app 6 días left

    looking for a block chain developer to build me an 8 altcoinexchange to BTC and eth using coinbase pro-APAPIk..... I need you to make a user login that creates 8 altcoin address and BTC and eth addresses from coinbase pro..... the user needs feature mixed in the current site at a mining pool. online to convert altcoins to BTC and eth Wallets for 8 coins will be in server with the website as I have...

    $1288 (Avg Bid)
    $1288 Oferta Promedio
    5 ofertas

    I am looking for a blockchain expert who has got 3 years of experience in this area I will tell you more details over chat Thanks

    $408 (Avg Bid)
    $408 Oferta Promedio
    14 ofertas

    CLOUD TOKEN WALLET VALIDATED - VERIFIED - APPROVED by World Blockchain Forum All info will be found here: [iniciar sesión para ver URL] We are looking for candidates with a real connection to the crypto community both online and offline. Ability to share our vision with its audience will be considered an advantage. Also, to have telegram or WhatsApp active channel, or any social networ...

    $11 / hr (Avg Bid)
    $11 / hr Oferta Promedio
    8 ofertas
    I need a MD6 Hex Hash Crypto App 4 días left
    VERIFICADO

    ๏קรςz)))(()| well it goes like this im using a sophisticated system to operate my life with [iniciar sesión para ver URL][iniciar sesión para ver URL][iniciar sesión para ver URL]ResearchDevelopment ๏קรςz)))(()| so i need someone who knows the coding and formula to do this correctly and I WILL KNOW i see the prototype for the MD6 comes in 3 stre...

    $1514 (Avg Bid)
    $1514 Oferta Promedio
    21 ofertas
    Smart contract on Blockchain 4 días left
    VERIFICADO

    Hello I am looking for developer that will help to create smart contract that will be sending some amount of tokens by specific amount of cryptocurrency. Please, send me information in which blockchain do you have experience. It would be nice to hear something about you past projects with blockchain technology.

    $13 / hr (Avg Bid)
    $13 / hr Oferta Promedio
    27 ofertas

    Bonjour, Je gère un site Woocommerce et je cherche à me passer des gateways traditionelles. Le problème : mes clients voudront toujours payer avec des monnaies normales (FIAT) comme le dollar ou l'euro. L'idée serait donc de mettre en place un système où : - Le client paye en FIAT (a un broker tiers) - L'argent est converti en crypto p...

    $494 (Avg Bid)
    $494 Oferta Promedio
    11 ofertas

    We need to fix the wallet:transactions:send is limited $1.00/day per user limit, but cannot get in touch with coinbase support so looking for someone that knows this error and can let us know what the issue is and how to remove this. Here is a screenshot: [iniciar sesión para ver URL] We have created oauth2 applications on multiple accounts all giving the same results of the $1.00/day pe...

    $51 / hr (Avg Bid)
    $51 / hr Oferta Promedio
    16 ofertas

    Build Bitcoin Wallet website In php

    $7197 (Avg Bid)
    $7197 Oferta Promedio
    70 ofertas

    Hi! I need people who can track bitcoin transactions and so on...!

    $231 (Avg Bid)
    $231 Oferta Promedio
    10 ofertas

    Dear All, I want to add API to our website to accept cryptocurrency via [iniciar sesión para ver URL] Simple page required to call api and get response, no database required. Should be in PHP and should be very simple Please if you do not have any experience with blockchain do not bid. Please if you did not do project like this do not bid. Please do not bid over our budget, if you do not li...

    $145 (Avg Bid)
    $145 Oferta Promedio
    11 ofertas
    Blockchain Fork Particl.io 2 días left
    VERIFICADO

    Looking for someone who can fork and build a chain with Particl.io. Need to implement full chain and custom code as well premine, explorer building. [iniciar sesión para ver URL]

    $352 (Avg Bid)
    $352 Oferta Promedio
    4 ofertas
    Wallet for cryptocurrenct 2 días left
    VERIFICADO

    wallet for cryptocurrency like bitcoin, bitcoin cash, etc transaction charge/ commission deduction as profit. quick internal transfers (instant)

    $702 (Avg Bid)
    $702 Oferta Promedio
    5 ofertas
    Blockchain on WordPress 2 días left
    VERIFICADO

    Hi, I am looking for someone who can help me with blockchain storage of documents with timestamp through WordPress and Gravity forms.

    $159 (Avg Bid)
    $159 Oferta Promedio
    13 ofertas

    Hello, We are a team at the Moskow. We need your support for a long time. Who can answer to this bitcoin problem that appear when broadcast hex? Problem: "An error occured: Missing inputs. Code:-25" Here is the code snippet for getting the hex. ...... [iniciar sesión para ver URL]("c0fb6a0a31fd60c952afda1184a5e309a9337f843b624a0744f02abe447bbc55", 0); [iniciar sesi&oacu...

    $933 (Avg Bid)
    $933 Oferta Promedio
    7 ofertas

    Hey! I have a ERC20 token and need to list our ICO on some exchanges for fundraising . In your bid please provide examples of how it could look from your previous jobs with ICO projects . I will only hire you if you have experience with ICO or IEOs. payment based only on success after token listed and ICO / IEOs got officially listed . we add a performance bonus that will be calculated by : 10%...

    $476 (Avg Bid)
    $476 Oferta Promedio
    9 ofertas

    I need JSON RPC Web Api for Send and Receive Ethereum .Net

    $241 (Avg Bid)
    $241 Oferta Promedio
    4 ofertas

    Hello, we are a team working on the crytocurrency site. We need a bitcoin & nodejs expert urgently. You should support or handle the main difficult part in our project. How can we choose you right now? Please send us the correct answer for the below test. Here is a simple bitcoin problem: namely, the bitcoin transaction code snippet. 1- Question: The below code is wrong or right? 2-Question: ...

    $1220 (Avg Bid)
    $1220 Oferta Promedio
    26 ofertas

    Build Ico website In eth, btc payments

    $2652 (Avg Bid)
    $2652 Oferta Promedio
    77 ofertas
    blockchain 1 día left

    I am looking for a blockchain and python expert. best regards. NO ASIAN!!!

    $3882 (Avg Bid)
    $3882 Oferta Promedio
    17 ofertas

    I need easy script page with bitcoin payment. - Selection of product - Mail form of client - Buy button ---> details for payment idwallet ( idwallets set by me, more address) -Page feedback PM me for example page. Tor network project

    $177 (Avg Bid)
    $177 Oferta Promedio
    15 ofertas

    Hello, I'm looking for someone for my project to help me start a smaller monthly income using cryptocurrencies

    $37 (Avg Bid)
    $37 Oferta Promedio
    6 ofertas
    Bitcoin Mining Farm 19 horas left

    We are working with the City of London and Renewable energy resource providers in the UK to create a cost efficient Bitcoin Mining Farm. We are looking for experts in the Bitcoin industry who have expertise at setting up and running a Bitcoin Mining Farm. We are looking for about 4 experts to be part of the panel who advice our company The Bitcoin Mining Company Limited based in London England...

    $35 / hr (Avg Bid)
    $35 / hr Oferta Promedio
    13 ofertas

    Functionalities include: User creating a Wallet, generate Keys, Save Keys, etc, Mining Process,

    $1321 (Avg Bid)
    $1321 Oferta Promedio
    24 ofertas
    USDT Omni HD Wallet 13 horas left
    VERIFICADO

    1. Generate many usdt address for deposits in a simple web application 2. All usdt are consolidated in one main address for transfer to other usdt address 3. Verify deposits completion for the many usdt addresses

    $1170 (Avg Bid)
    $1170 Oferta Promedio
    11 ofertas

    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
    Sellado
    $750 - $1500
    47 ofertas

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