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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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    looking for Co founders programmer and ICO specialist 6 дней(-я) left
    ПОДТВЕРЖДЕН

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

    $19 (Avg Bid)
    $19 Ср. ставка
    4 ставки
    Need Help In cryptocurrency 6 дней(-я) left

    I need help in Creating PIVX Masternode coin with all steps like integrating blockchain , block explorer , QT wallets ( Win - 32-64, Linux, Mac ) , Publishing source code in github , Creating masternode guide , I will first check if the coin chain is smooth or not I mean no bugs in the coin or proof of stake. Many Thanks

    $291 (Avg Bid)
    $291 Ср. ставка
    5 ставки
    crypto exchange -- 2 6 дней(-я) 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!

    $1285 (Avg Bid)
    $1285 Ср. ставка
    34 ставки
    Bitcoin jackpot site 6 дней(-я) left
    ПОДТВЕРЖДЕН

    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...

    $70 (Avg Bid)
    $70 Ср. ставка
    3 ставки
    Smart Contract needed for ICO / Token distribution 6 дней(-я) left
    ПОДТВЕРЖДЕН

    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...

    $2764 (Avg Bid)
    $2764 Ср. ставка
    47 ставки
    Create new genesis block 5 дней(-я) left

    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

    $183 (Avg Bid)
    $183 Ср. ставка
    7 ставки
    crypto exchange 5 дней(-я) 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!

    $1404 (Avg Bid)
    $1404 Ср. ставка
    43 ставки
    Cryptocurrency mining pool modification 4 дней(-я) left
    ПОДТВЕРЖДЕН

    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 Ср. ставка
    15 ставки
    Bitcoin Shop & Wallet 4 дней(-я) left
    ПОДТВЕРЖДЕН

    We need website or web application for sell bitcoins & Cryptocurrency online by credit card like this page [войдите, чтобы посмотреть URL] The client register in our website and he must get wallet for send and receive the bitcoin

    $1026 (Avg Bid)
    $1026 Ср. ставка
    36 ставки
    ERC20 token exchange listing with 1 - 2 eth budget. 4 дней(-я) left
    ПОДТВЕРЖДЕН

    ERC20 token listing with 1 - 2 eth budget.

    $527 (Avg Bid)
    $527 Ср. ставка
    24 ставки
    crypto decentralized exchange 4 дней(-я) left

    hello! we are looking for people who can get us a decentralized crypto exchange you can looking at this website [войдите, чтобы посмотреть URL]

    $2330 (Avg Bid)
    $2330 Ср. ставка
    13 ставки
    Smart Contract and Dapp 4 дней(-я) left
    ПОДТВЕРЖДЕН

    1. Smart contract for TRC20 [войдите, чтобы посмотреть URL] development [войдите, чтобы посмотреть URL] of Dapp and TRC20 coin Should be strong in C++ is for EOS, and solidity is for ETH and TRON Tecnical guidelines will be provided

    $203 (Avg Bid)
    $203 Ср. ставка
    4 ставки
    ICO Bounty Program - ICO Marketing Manager 4 дней(-я) left
    ПОДТВЕРЖДЕН

    we need someone to write, publish and manage an ICO bounty program 1. BOUNTY CAMPAIGN ANNOUNCEMENT 2. MANAGE THE BOUNTY CAMPAIGN ITSELF Looking for an experienced bounty manager to manage our bounty campaign for an ICO. We our an upcoming ICO Project and need a bounty manager for an ICO camapign. Your tasks include community management for our different Bounty Campaigns and Airdrops for an ...

    $494 (Avg Bid)
    $494 Ср. ставка
    10 ставки
    cryptocurrency 4 дней(-я) left
    ПОДТВЕРЖДЕН

    i want to create a cryptocurrency for payment.

    $578 (Avg Bid)
    $578 Ср. ставка
    23 ставки
    Setup Electrum Wallets 4 дней(-я) left

    I am looking for a blockchain developer experienced in setting up Electrum wallets. Project's description and features is attached.

    $331 (Avg Bid)
    $331 Ср. ставка
    11 ставки
    Blockchain expert. 3 дней(-я) left

    Hi. I am going to develop new blockchain. I will share details for right freelancer.

    $1025 (Avg Bid)
    $1025 Ср. ставка
    32 ставки
    Needed ERC20 token Service 3 дней(-я) left
    ПОДТВЕРЖДЕН

    We need ERC20 token Service Developer. We are looking for a highly skilled developer who can provide us ERC20 Services. We are looking for • Get Balance • Token Send/Receive • Token Address Generation • Transaction History Please Note: • You will need to handover the full development source code to us. • Should be developed with PHP CodeIgniter. • We need the se...

    $543 (Avg Bid)
    $543 Ср. ставка
    18 ставки
    Create PIVX based new coin ( Masternode Coin) 3 дней(-я) left
    ПОДТВЕРЖДЕН

    1. Create a masternode coin like pivx 2. Create block explorer 3. Create QT wallets ( Win - 32-64, Linux, Mac ) 4. Publishing source code in github [войдите, чтобы посмотреть URL] masternode guide 6. guide to install the seednode Please note : I require only professional developers , I will first check if the coin chain is smooth or not I mean no bugs in the coin or proof of stake

    $569 (Avg Bid)
    $569 Ср. ставка
    10 ставки
    Calculadora Minería Criptomonedas 2 дней(-я) left
    ПОДТВЕРЖДЕН

    El proyecto es crear una calculadora de minería de criptomonedas. 1. Programación de la calculadora. - Se te entregarán las ecuaciones necesarias. - Se extraerá la información de una API Rest externa. 2. Diseño de la calculadora. - Se te entregará el diseño desktop para que crees la plantilla. - Debe ser mobile-friendly. Hablemos por cha...

    $509 (Avg Bid)
    Избранный
    $509 Ср. ставка
    17 ставки
    Help create my Blockchain Fork... 2 дней(-я) left
    ПОДТВЕРЖДЕН

    I need a Blockchain Developer capable of producing a fork with basic Blockchain Adjustments like Block Time, Block Reward, Block Halving, Etc. We would like a wallet implemented and designed as well along with several additional aspects to the development but nothing to extensive. We would require someone with at least 2-3 years experience with Blockchain Developer. ***NOT SMART CONTRACTS! SOL...

    $36 / hr (Avg Bid)
    $36 / hr Ср. ставка
    41 ставки
    Blockchain developer 1 день left

    I want to develop a proprietary service for my customers. Essentially, it's going to be a stripped-down version of blockchain. I need someone who is knows blockchain inside out - to the point where theyre not helplessly enamoured by it. If you know what you're doing, this is a walk in the park. If you're wrapped up in your crypto bubble, stay there, I have no use for you

    $1568 (Avg Bid)
    $1568 Ср. ставка
    37 ставки
    Compile new POS/POW coin -- 2 1 день left
    ПОДТВЕРЖДЕН

    I want to start a new coin POS/POW. Please bid if you have already developed coins. Looking forward for serious dev..

    $742 (Avg Bid)
    $742 Ср. ставка
    8 ставки
    Bitcoin Squad 1 день left

    Bitcoin Squad is a training program that teaches you how to invest, trade, and profit by using cryptocurrencies and Forex. The program has something for everyone from beginner basics to advanced techniques. By taking our master class you will become a pro trader in no time making the income you have always dreamed of. The company is some what new and we are looking to expand through targeted adver...

    $133 (Avg Bid)
    $133 Ср. ставка
    6 ставки

    We need someone to help with marketing and crowdsales We are looking genuine marketer who can promote our ICO and generate real revenue. Here is project details: We have developed a decentralize exchange! We want to do ICO so you need to promote our ICO and generate real revenue. You will get paid after success our ICO. You must have to have a good review of ICO on your profile. Thank you a...

    $48 / hr (Avg Bid)
    $48 / hr Ср. ставка
    17 ставки
    Build a Bitcoin + VGO gaming website from design 19 часов(-а) left
    ПОДТВЕРЖДЕН

    This website will have: - Game (game + relevant Admin Panel data) - Deposit and withdraw (Bitcoin/VGO + Welcome Bonus) - Affiliates (Invite friends for % of commission with affiliate code/link) - Level up (levels up the user and rewards user with free coins) - Chat (including moderators) + extra Message me for more information including images and designs in PSD and .jpg

    $2361 (Avg Bid)
    $2361 Ср. ставка
    26 ставки
    fix minor crypto payment processor issues on website 14 часов(-а) left
    ПОДТВЕРЖДЕН

    fix minor issues on coinspayment gateaway. btc, eth, and ltc mostly is fixed, just that the exchange rate has a problem. [войдите, чтобы посмотреть URL]

    $81 (Avg Bid)
    $81 Ср. ставка
    10 ставки
    Create a new Crypto Currency 15 дней(-я) left
    ПОДТВЕРЖДЕН

    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.

    $3408 - $5680
    Избранный Скрытый Соглашение о неразглашении
    $3408 - $5680
    63 ставки
    Crypto expert required.. 1 день left
    ПОДТВЕРЖДЕН

    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
    Скрытый
    $7 - $72
    30 ставки