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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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    The purpose of this project is whatever you make it, as long as you are using the resources provided as your concept guide: - [se connecter pour voir l'URL] - [se connecter pour voir l'URL] - [se connecter pour voir l'URL] - [se connecter pour voir l'URL] - [se connecter pour voir l'URL]@eos-asia/eos-smart-contracts-part-1-getting-started-ping-equivalent-in-eos - [se conn...

    €108 (Avg Bid)
    Garanti
    €108
    0 propositions

    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

    €137 (Avg Bid)
    €137 Offre moyenne
    1 offres
    crypto exchange 6 jours 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!

    €1243 (Avg Bid)
    €1243 Offre moyenne
    35 offres

    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...

    €417 (Avg Bid)
    €417 Offre moyenne
    13 offres

    ERC20 token listing with 1 - 2 eth budget.

    €475 (Avg Bid)
    €475 Offre moyenne
    23 offres

    hello! we are looking for people who can get us a decentralized crypto exchange you can looking at this website [se connecter pour voir l'URL]

    €2136 (Avg Bid)
    €2136 Offre moyenne
    12 offres
    Smart Contract and Dapp 5 jours left
    VERIFIÉ

    1. Smart contract for TRC20 [se connecter pour voir l'URL] development [se connecter pour voir l'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

    €163 (Avg Bid)
    €163 Offre moyenne
    4 offres

    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 ...

    €325 (Avg Bid)
    €325 Offre moyenne
    8 offres
    cryptocurrency 5 jours left
    VERIFIÉ

    i want to create a cryptocurrency for payment.

    €509 (Avg Bid)
    €509 Offre moyenne
    23 offres

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

    €294 (Avg Bid)
    €294 Offre moyenne
    10 offres

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

    €903 (Avg Bid)
    €903 Offre moyenne
    32 offres
    Needed ERC20 token Service 4 jours left
    VERIFIÉ

    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...

    €478 (Avg Bid)
    €478 Offre moyenne
    18 offres

    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 [se connecter pour voir l'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

    €520 (Avg Bid)
    €520 Offre moyenne
    8 offres

    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...

    €449 (Avg Bid)
    À la une
    €449 Offre moyenne
    17 offres

    i need a cryptocoin prooject that can handle arbitrage between cryptoexchanges. recently a developer worked for this project but he had health issues and left the project Project %50 finished but not completed, frontend is nearly complete, all codes are in server and it works partly, have 3 cryptocoin exchanges and 15 coins integrated. - job description and details are here [se connecter pour voir...

    €1024 (Avg Bid)
    €1024 Offre moyenne
    20 offres

    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...

    €32 / hr (Avg Bid)
    €32 / hr Offre moyenne
    40 offres

    I receive error when i try mint zerocoin, so i need to fix it

    €18 (Avg Bid)
    €18 Offre moyenne
    2 offres

    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

    €1391 (Avg Bid)
    €1391 Offre moyenne
    35 offres
    Compile new POS/POW coin -- 2 2 jours left
    VERIFIÉ

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

    €676 (Avg Bid)
    €676 Offre moyenne
    7 offres
    Bitcoin Squad 2 jours 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...

    €117 (Avg Bid)
    €117 Offre moyenne
    6 offres

    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...

    €42 / hr (Avg Bid)
    €42 / hr Offre moyenne
    16 offres

    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

    €2088 (Avg Bid)
    €2088 Offre moyenne
    24 offres

    fix minor issues on coinspayment gateaway. btc, eth, and ltc mostly is fixed, just that the exchange rate has a problem. [se connecter pour voir l'URL]

    €71 (Avg Bid)
    €71 Offre moyenne
    10 offres

    I need someone who is very familiar with Masternodes and how they work. I am going to create a platform like [se connecter pour voir l'URL] or [se connecter pour voir l'URL] A Masternode hosting and deployment platform. I’m familiar with the amount of work needed to develop something like this and it isn’t really too difficult. Fairly simple stuff. Payment will be made p...

    €599 (Avg Bid)
    €599 Offre moyenne
    23 offres

    Change the code of EOS source code (just a file: [se connecter pour voir l'URL]) to make it work on another token. One should have complete knowledge of EOS and C, C++.

    €16 (Avg Bid)
    €16 Offre moyenne
    1 offres
    Create a new Crypto Currency 16 jours left
    VERIFIÉ

    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.

    €3006 - €5011
    À la une Scellé LDN
    €3006 - €5011
    63 offres
    Crypto expert required.. 2 jours left
    VERIFIÉ

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

    €6 - €63
    Scellé
    €6 - €63
    30 offres

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