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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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    33 trabajados encontrados, precios en USD
    Crear sistema HYIP 6 días left
    VERIFICADO

    Crear sistema HYIP con diseño focalizado en minería para recibir crypto pagos que deseen invertir en moneda como Bitcoin, Ethereum y Litecoin.

    $587 (Avg Bid)
    $587 Oferta Promedio
    12 ofertas

    I need someone who can set up a masternode via remote control on my linux desktop (best would be teamspeak) and handle masternode updates. I need your help when I want to set up a new masternode and when update is recurring.

    $19 / hr (Avg Bid)
    $19 / hr Oferta Promedio
    8 ofertas

    I need a freelancer who has good experience in Hyperledger and exchange. And the backend wallet API will be used in RSS feeds of hyperledger and supports the mobile wallet. Please apply with past project or github link related with this project.

    $52 / hr (Avg Bid)
    $52 / hr Oferta Promedio
    28 ofertas

    Looking for a blockchain developer to expand our team. This job can be done remotely. Looking for an individual with some software knowledge/experience. Responsibilities are bidding on jobs, following up, working on pricing and communicating with partners of the company. Bid with previous project or github link will be preferred.

    $38 / hr (Avg Bid)
    $38 / hr Oferta Promedio
    24 ofertas
    BLOCK EXPLORER HELP NEEDED 6 días left
    VERIFICADO

    Need blockchain developer to help with block explorer, chain is stuck.

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

    Create ERC 20 token & write Smart Contract for our Blockchain Project. Need Experienced developers. Please send your previous work if you are interested.

    $2372 (Avg Bid)
    $2372 Oferta Promedio
    27 ofertas
    cryptocurrency block explorer 5 días left
    VERIFICADO

    We need a cryptocurrency expert. We have a litecoin clone. We have QT Wallet and Android Wallet and source code of the coin in github. We need someone who can create a iquidus explorer for our coin.

    $484 (Avg Bid)
    $484 Oferta Promedio
    16 ofertas

    [iniciar sesión para ver URL] - Install production of rubykube - FULL design change based on ideas/mockups. - Install 4 existing wallet servers and add 1 custom coin

    $847 (Avg Bid)
    $847 Oferta Promedio
    14 ofertas
    Blockchain/Exchange platform 5 días left
    VERIFICADO

    I need a responsive website. I would like it designed and built. Blockchain - Exchange Platform - accept and send payments. I am looking for a team of professionals to assist with our company project, we are looking for our own new design of a exchange platform. Experience with blockchain and cryptocurrencies is a must. More information will be provided open approval for our project.

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

    We would like to have an exchange like Bittrex Huobi or Okex Everything should run and work.

    $2548 (Avg Bid)
    $2548 Oferta Promedio
    38 ofertas

    My website is [iniciar sesión para ver URL] and I need someone to help me make more faucets for the website. A knowledge in crypto is a huge plus and knowing how to make a faucet will get you hired instantly. Just need one person! If someone is experienced in monetizing websites ill take that too! My name is Otto & please no copy and pastes!

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

    Hello, we want to build a new new cryptocurrency which is paired to USDT. ( So it will be more stable. ) We also want that you list our coin or token on Crex, yobit and stex. when we get more volume then bigger one following. You should have expierence and should have some references. Would be good when you also have good contacts to "influecer" . The goal should be to be under the Top...

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

    Hello! I need a script crypto exchange, just looking for a ready solution. Before buying, I need to watch a demo! I do not need to develop from scratch, such a proposal please do not write to me!

    $7894 (Avg Bid)
    $7894 Oferta Promedio
    60 ofertas

    I need you to integrate a bitcoin api payment gateway on my website

    $48 (Avg Bid)
    $48 Oferta Promedio
    9 ofertas

    Develop a smart contract for our token. It must have the following features. (Add new coins when ever needed) (Flexible token supply) (Whitelist and blacklist wallet addresses) (Receiving the tokens back) Many stable coins smart contracts are open sourced.

    $590 (Avg Bid)
    $590 Oferta Promedio
    13 ofertas

    I want create windows and Linux wallet for my own crypto POW/POS, and beside the wallets the instructions and steps to do in PDF file. I will accept the lowest price.

    $324 (Avg Bid)
    $324 Oferta Promedio
    13 ofertas
    Develop a bitcoin wallet 3 días left
    VERIFICADO

    i need to develop a quick 2 page btc wallet application, with send and received feature. Please let me know if u can get this done. You could use [iniciar sesión para ver URL] API service or the BTC client web service

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

    hi i am looking forward to get a website which is subscription based but i want subscription payment gateway in bitcoin. So please contact me if you can make a subscription base website with bitcoin gateway.

    $398 (Avg Bid)
    $398 Oferta Promedio
    13 ofertas

    Hi, Digital Warriors, We're seeking a script crypto exchange. Im just looking for a ready solution. Before buying i need to watch a demo. I do not need to develop from scratch, such a proposal please do not write to me. Please don't contact me for upfront payments. My method of payment is by creating milestones and release it once the task was completed.

    $806 (Avg Bid)
    $806 Oferta Promedio
    23 ofertas
    QT WALLET DEVELOPER 3 días left
    VERIFICADO

    Hello, We created with photoshop (.psd) our new design for our futur wallet QT, and we looking for an developer for implement our design. Thank you.

    $147 (Avg Bid)
    $147 Oferta Promedio
    10 ofertas

    ERC20 token listing with low budget.

    $804 (Avg Bid)
    $804 Oferta Promedio
    17 ofertas

    i need a cryptocurrency exchange for bitcoin, xrp, bch, eth, ltc, etc... please send me prices i want something like [iniciar sesión para ver URL] i already have dedicated server

    $4282 (Avg Bid)
    $4282 Oferta Promedio
    67 ofertas

    We are looking for someone with a lot of experience with blockchain and wallets. We are looking for someone that can update the entire wallets UI and add additional features such as a graph, seed key. Ideally looking for around the 500-600$

    $599 (Avg Bid)
    $599 Oferta Promedio
    21 ofertas

    I need trading cryptocurrency market fully functional, similar to big exchangers. - Wallet - deposits and withdrawal of crypto only. Knowledge of digital currencies and how cryptocurrency market work. Please do provide links to similar project you have done.

    $1311 (Avg Bid)
    $1311 Oferta Promedio
    48 ofertas

    I am looking for Co founders blockchain programmer and ICO specialist to start new project

    $19 (Avg Bid)
    $19 Oferta Promedio
    7 ofertas

    Hello! I need a script crypto exchange, just looking for a ready solution. Before buying, I need to watch a demo! I do not need to develop from scratch, such a proposal please do not write to me!

    $1512 (Avg Bid)
    $1512 Oferta Promedio
    36 ofertas
    Bitcoin jackpot site 1 día left
    VERIFICADO

    Looking for partner (paid small amount while working and then site revanue) I want a bitcoin jackpot site (script) Players register and deposit btc. They then ret credit on the site to use in the jackpot. Jackpot is timed so Player can join in and try win the pot. Site profit is 10% of each played game. Dont reply of you havent read it all. Dont reply og you dont Know what bustabit crash gam...

    $91 (Avg Bid)
    $91 Oferta Promedio
    4 ofertas

    Greetings, digital warriors, We're seeking a capable developer with experience writing smart contracts. We will be embarking on our ICO sometime in January, and need a smart contract to be written for us. We will take care of the ICO landing page (front/back-end), and we will have a payment gateway ready (Coinpayments). All we need from you, is a rock-solid smart contract that will enable...

    $2863 (Avg Bid)
    $2863 Oferta Promedio
    56 ofertas
    Create new genesis block 1 día left
    VERIFICADO

    I need to generate new genesis block insted of current one for POW/POS cryptocurrency, with new vAlertPubKey and scriptPubKey all instruction and steps should be include. award will be according to best price

    $170 (Avg Bid)
    $170 Oferta Promedio
    7 ofertas
    crypto exchange 1 día left

    Hello! I need a script crypto exchange, just looking for a ready solution. Before buying, I need to watch a demo! I do not need to develop from scratch, such a proposal please do not write to me!

    $1406 (Avg Bid)
    $1406 Oferta Promedio
    44 ofertas

    I'm trying to modify pool codes in a mining pool using SHA 256 and redeem the hashes in another coins . Basically my device only process SHA 256 but wondering if we could program the pool to convert the algorithm ? please contact me if you have experience in this filed. my method of payment is by creating milestones and release it once the task was completed . had lots of good reviews so far...

    $461 (Avg Bid)
    $461 Oferta Promedio
    15 ofertas
    Create a new Crypto Currency 10 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.

    $3418 - $5697
    Destacado Sellado Acuerdo de Confidencialidad
    $3418 - $5697
    66 ofertas
    Crypto expert required.. 5 días left
    VERIFICADO

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

    $7 - $72
    Sellado
    $7 - $72
    32 ofertas

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