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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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    28 trabalhos encontrados, preços em EUR

    Blockchain Developer needed to develop a secure and decentralized file transfer application.

    €443 (Avg Bid)
    €443 Média
    11 ofertas

    create and deploy erc20 token. Send ownership and tokens to me

    €30 (Avg Bid)
    €30 Média
    8 ofertas

    Need a very simple site where users can download an mp3 file. They will have the choice of bitcoin, Ethereum or an Ethereum token to download and once payment is received they will receive download automatically. This system will work similar to iTunes but with cryptocurrency. The site will have a stylish, modern index page where the download will be found and a couple simple sub pages such as pri...

    €231 (Avg Bid)
    €231 Média
    12 ofertas
    Token modeling 5 dias left
    VERIFICADO

    For a token model for which I would to have critics and challenges, I am looking for someone with strong passion for blockchains/Token/Smart Contracts etc,, This is a job for someone who have passion than for someone who want to make money immediately.

    €11 / hr (Avg Bid)
    €11 / hr Média
    10 ofertas

    We are looking for a blockchain developer who will be responsible for designing, implementing, and supporting a distributed blockchain-based network. Primary responsibility will be analyzing requirements, designing blockchain technology around a certain business model, and the building and launching of a blockchain network. You'll be assisting a team (two full stack developers) that has a &q...

    €17 / hr (Avg Bid)
    €17 / hr Média
    21 ofertas

    Hi. make an API just for transfer money from an private key of {dogecoin(bitcoin(litecoin} to another address ( main wallet for us ) ? If you can make it under 10 hours massge me no more longer Thanks Telegram : [fazer login para ver a URL]

    €576 (Avg Bid)
    €576 Média
    16 ofertas

    Hi guys, i'm looking for a PHP charity script that looking similar to this website [fazer login para ver a URL], with Cryptocurrency donation features. contact me for me if you have something similar to this script. NOTE: Not looking for who to design similar site for me, i am only looking for the script and willing to pay OK.....Cheers

    €177 (Avg Bid)
    €177 Média
    4 ofertas

    Hi guys, i'm looking for a cryptocurrency PHP charity script that looking similar to this website [fazer login para ver a URL], contact me for me if you have something similar to this script. NOTE: Not looking for who to design similar site for me, i am only looking for the script and willing to pay OK.....Cheers

    €980 (Avg Bid)
    €980 Média
    2 ofertas

    BitCoin Functionality for PHP app I am looking for a skilled PHP Developer to help add BitCoin functionality to an e-commerce website I am working on. The project is being developed in PHP using the Code Igniter 3 framework so ideal would be to find a person with PHP, Code Igniter and BitCoin knowledge :) All registered members of the website will have their own pre-paid BitCoin account, this ac...

    €169 (Avg Bid)
    €169 Média
    17 ofertas

    I want a professional here who has developed a app for me that is online now that i can check,that is habing diffrent wallets for keeping 10 cryptocurrencies and custom currency, once i review the app,i would need edits to the design and a type of it handed to me in few days,i domt want work from scratch,and i domt fund before,i see admin and app with my designs first then i apprive anyother thing...

    €112 (Avg Bid)
    €112 Média
    9 ofertas

    I am looking to make a Multi Vendor market place for a dot com. This is not a simple word press website. I need an actual developer who can handle this. This is a huge project. I am looking to make this as a dot com and also a dot onion mirror. The dot com is more improtant to start. The features will be as followed. Multi Vendor marketplace with rating system and messages. Customer will send t...

    €6716 (Avg Bid)
    €6716 Média
    44 ofertas

    Hi, I need a simple matrix system. There is an example of the system I want. ([fazer login para ver a URL]) I just want a little change. * 2*4 matrix system will pass to a higher level that completes the Matrix * total 7 levels *each investor will join the system with 0.010 bitcoin and will not pay any further *payments will only be made by bitcoin *as shown in the picture, there will be no gain ...

    €431 (Avg Bid)
    €431 Média
    13 ofertas
    Firebase function project 4 dias left
    VERIFICADO

    MUST have good knowledge into firebase functions, firestore and storage. The developer will optimize the code already existing into firebase cloud functions and give support to future updates. The app is integrated with Coinpayments API. We are looking for someone that want to engage into the project. We want to start small and increase the amount paid to you as you are getting more involved int...

    €10 / hr (Avg Bid)
    €10 / hr Média
    18 ofertas

    PM me for details. The system checks if participants is not a fake telegram account, tells them to perform some task and saves their tron address.

    €121 (Avg Bid)
    €121 Média
    8 ofertas

    I need a blockchain developer to develop [fazer login para ver a URL]

    €3782 (Avg Bid)
    €3782 Média
    17 ofertas

    Multi vendor marketplace escrow script that runs using bitcoind. Sellers list items for sale in exchange for bitcoin. Buyers deposit bitcoin to their bitcoin wallet on their market account. They then buy products from sellers on the market using the bitcoin. Buyer clicks buy > Bitcoin transfers to market central escrow wallet hosted on server > Buyer confirms goods have been received and ...

    €287 (Avg Bid)
    €287 Média
    9 ofertas

    Hi freelancers, We would like to get similar website to [fazer login para ver a URL] with ALL the existing features on it. (Buy/Sell/Wallet/PaymentProcessing/Plugins/API/multilanguages/etc...etc...) Nothing is going to be provided by us. You have to do it all. Please list your real best price and timeline. We will not contact you to negociate as we believe the project is already very clear. M...

    €3558 (Avg Bid)
    €3558 Média
    10 ofertas

    Hi freelancers, We would like to get similar website to [fazer login para ver a URL] with ALL the existing features on it. (Buy/Sell/Wallet/PaymentProcessing/Plugins/API/etc...etc...) Nothing is going to be provided by us. You have to do it all. Please list your real best price and timeline. We will not contact you to negociate as we believe the project is already very clear. Moreover, to avo...

    €3674 (Avg Bid)
    €3674 Média
    15 ofertas

    Hi freelancers, One of client want to launch bitcoin selling and buying with trading. Please reply if you already done similar. We are looking experienced freelancer who already worked similar project. We know this is little big project budget will discuss. Cheers DCS

    €171 (Avg Bid)
    €171 Média
    3 ofertas
    Hard fork of existing altcoin 3 dias left
    VERIFICADO

    Want to hard fork existing altcoin. Want to make a few simple changes. Need windows, Mac and Linux wallets. GitHub set up and open source explorer set up.

    €914 (Avg Bid)
    €914 Média
    22 ofertas

    we want to create a good topic design with graphics for bitcointalk topic . for promoting our project . tecnical whitepaper : [fazer login para ver a URL] whitepaper : [fazer login para ver a URL]

    €161 (Avg Bid)
    €161 Média
    7 ofertas

    Polymerbit Ltd. is a UK based startup founded in 2017 that is focused on offering solutions to companies and projects within the cryptocurrency industry. Our main products involve 'banknote' style in house designed cold storage wallets that essentially hold cryptocurrency. So far we have had success in targeting companies to develop cryptocurrency banknotes with their logos and brandin...

    €1011 (Avg Bid)
    €1011 Média
    9 ofertas

    get api key , Blockchain relate 2 Bitcoin litecoin Ethereum

    €200 (Avg Bid)
    €200 Média
    15 ofertas

    Hello. we do work for different client so which is why we are here to get some talented Forex and crypto base content writer who can write general, analysis and news type content for us. We are able to pay $7 for every 500 words and keep in mind content should be seo optimized and plagiarism free. If you are not active in online then please don't apply here. Interested!! Then feel free to ...

    €97 (Avg Bid)
    €97 Média
    9 ofertas

    I am looking for talented web developer that is able to code us a marketplace where we can pay with Cryto. It is only the BTC wallet payment instead of dollar. Site is simple. I need only BTC wallet payment system for user and vendorship.

    €160 (Avg Bid)
    €160 Média
    23 ofertas

    Requirements: 1) Must have solid experience in web and software development. Work is required in GoLang!!! along with other requirements (PHP and other languages WILL NOT BE TAKEN.) 2) Must have a solid background in Security and Cyber Security. 3) Must know how to create full nodes for the coins and tokens listed and offer liquidity solutions. 4) This is only for experienced firms and long term w...

    €4939 (Avg Bid)
    €4939 Média
    42 ofertas

    PROVEN ETHEREUM DEVELOPER NEEDED TO LAUNCH ERC-20 TOKEN DELIVERABLES ARE: COIN, WALLETS, EXPLORER, API, GATEWAY AND DASHBOARD • You have at least 2 years of experience designing, developing, and delivering Distributed Ledger/Blockchain technology software • You have knowledge of Distributed Ledger Technologies space with deep expertise in certain areas such as Ethereum, Hyperledger fra...

    €2899 (Avg Bid)
    €2899 Média
    28 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.

    €6 - €62
    Secreto
    €6 - €62
    48 ofertas

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