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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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    45 lavori trovati, prezzi in EUR

    Hi, I have a fork of primecoin with some of the old code. I'd like you to add 2 parts to the QT wallet: 1. [accedi per visualizzare l'URL] 2. [accedi per visualizzare l'URL] and also change the send transaction part to allow to include txdata.

    €200 (Avg Bid)
    €200 Offerta Media
    6 offerte

    The main idea is to find the first members for the new office about to open in Panama. These members will be responsible for the new location, finding and accommodating the place but more important creating the clients' data.

    €1888 (Avg Bid)
    €1888 Offerta Media
    4 offerte

    i need to install peatio open source cryptocurrency exchange script is found in GitHub aws or digital ocean or google cloud. its one hour job.. more details plz ping me

    €148 (Avg Bid)
    €148 Offerta Media
    6 offerte

    Multinivel en telegram. Que hable español el freelancer

    €663 (Avg Bid)
    €663 Offerta Media
    6 offerte

    Don't apply with China developer! I want to work with professional european developer. I looking for talented and honestly Cryptocurrency developer how has experienced in trading, wallet and exchange functions. You should familiar with PHP/Node.js code. I will hire very serious developer. Show me your preview cryptocurrency examples and send me contact reference. Security and Trust is very b...

    €1026 (Avg Bid)
    €1026 Offerta Media
    28 offerte

    I need a website like [accedi per visualizzare l'URL] in which you can swap cryptocurrencies such as Bitcoin and Ethereum in a few clicks.

    €336 (Avg Bid)
    €336 Offerta Media
    4 offerte

    I need a website like [accedi per visualizzare l'URL] in which you can swap cryptocurrencies such as Bitcoin and Ethereum in a few clicks.

    €669 (Avg Bid)
    €669 Offerta Media
    18 offerte

    I need an experienced Crypto Writer for a small website. We have the contents but we want to REDO it with new ideas and more professional content. It can be a long-term project for the right person.

    €15 / hr (Avg Bid)
    €15 / hr Offerta Media
    9 offerte

    I need an experienced Crypto Writer for a small website. We have the contents but we want to REDO it with new ideas and more professional content. It can be a long-term project for the right person.

    €17 / hr (Avg Bid)
    €17 / hr Offerta Media
    11 offerte

    Hello i would like create a platform exchange crypto currency as : [accedi per visualizzare l'URL] But simpler : With 20 Crypto currency fees > recover the commissions for example on the bitcoin on a bitcoin address .... >Pannel admin >Trade for user ... Budget 250 Max

    €253 (Avg Bid)
    €253 Offerta Media
    16 offerte

    I planned to make hyip website, using latest goldcoders hyip manager script, i need people who understand to setting payment using NXT Coin using GoldCoders HYIP Manager Script. NXT Coin listed on Coinpayments[dot]net. i need this website to be full functionality accept Deposit with NXT, Auto Withdraw with NXT, Auto Payment with NXT. if u have demo video goldscript using NXT Coin, it will be a ...

    €85 (Avg Bid)
    €85 Offerta Media
    1 offerte

    I need a script to store a string on the blockchain and calculate the fees. it will be run on the testnet. I need it fast

    €175 (Avg Bid)
    €175 Offerta Media
    8 offerte

    I have an ethereum token exchange website with a simplistic design. I need code tightened to make sure everything runs smoothly. I need it to run faster with the user interface similar to: [accedi per visualizzare l'URL]

    €500 (Avg Bid)
    €500 Offerta Media
    18 offerte
    Build a crypto currency exchange 5 giorni left
    VERIFICATO

    We are looking for some developers who have experience with dynamics of a crypto currency exchange and can build and maintain an exchange for us. __________________________________________________________________________________________________ [accedi per visualizzare l'URL] [accedi per visualizzare l'URL]

    €7879 (Avg Bid)
    €7879 Offerta Media
    30 offerte

    We have a new coin which have 25% syncing sporks problem and staking does not activate after block 300 we believe it might be due to Zero coin not correctly done I am looking for a freelancer to get it done

    €342 (Avg Bid)
    €342 Offerta Media
    2 offerte

    We have an upcoming software development project and want expert who can work with us in this area. I suggest you check out the product, or ask any question to turing labs, or download the demo, before you over promise on tech, price, dateline. We will discuss in detail about project.

    €10 / hr (Avg Bid)
    €10 / hr Offerta Media
    14 offerte

    Hey there, we are looking for a Talented crypto developer for a revolutionary cryptocurrency project. IMPORTANT: Please note the team will get paid with our company token. We are looking ONLY for more more developer to be part our team. Our team is international and it's a great opportunity to get involved in the development of something never made before! Is important to have a good knowle...

    €2867 (Avg Bid)
    €2867 Offerta Media
    21 offerte

    Hello, We looking for an expert on RPC communication for crypto currency. We need make signature and other stuff with RPC command. We only hire expert who know RPC for crypto. Thanks you.

    €17 / hr (Avg Bid)
    €17 / hr Offerta Media
    12 offerte

    I´m looking for someone who can build a PoC Dapp on NoS for me the Dapp can be anything really simple I´m hoping you as a freelancer would have some suggestions on what to build as it really dosen´t matter to me. Previous Blockchain experience / Dapp development is needed.

    €518 (Avg Bid)
    €518 Offerta Media
    5 offerte

    Je recherche quelqu'un pour écrire 50 sujets de 50 mots minimum par sujet (2500 mots au total) dans un forum dédié au Bitcoin et aux crypto monnaies. Les sujets devront porter sur les crypto monnaies (Bitcoin, Litecoin, Ethereum, etc.), les Exchanges (Coinbase, Binance, etc.), le stockage (Ledger Nano, Trezor, etc.), les dernières news, etc. Je n'impose pas le...

    €69 (Avg Bid)
    €69 Offerta Media
    13 offerte

    I am looking for someone who can teach me master node 1. What's is master node 2. Who to create master node Complete setup with practical

    €21 (Avg Bid)
    €21 Offerta Media
    1 offerte
    Change mining algorithm of altcoin 4 giorni left
    VERIFICATO

    I am currently developing an altcoin, and I want it to have multi-algorithm capabilities. There are coins in github that have that feature, but my altcoin uses a different bitcoin version codebase than those coins, so implementing that is harder. I also want you to explain to me what you did for my learning purposes and use a version control system such as Github. Finally, I want you to answer me ...

    €121 (Avg Bid)
    €121 Offerta Media
    6 offerte

    Hey there, we are looking for a Talented crypto developer for a revolutionary cryptocurrency project. IMPORTANT: Please note the team will get paid with our company token. We are looking ONLY for more more developer to be part our team. Our team is international and it's a great opportunity to get involved in the development of something never made before! Is important to have a good knowle...

    €2547 (Avg Bid)
    €2547 Offerta Media
    18 offerte
    Whitepaper for ICO 4 giorni left

    We will give the skeleton of the paper and the market research. We just need the copywriting.

    €841 (Avg Bid)
    €841 Offerta Media
    46 offerte
    Crear una cripto moneda 4 giorni left
    VERIFICATO

    Hola freelancer estoy buscando alguien experto en temas de blockchain ,bitcoin ,para crear una moneda digital con las mismas características de bitcoin tal igual

    €1365 (Avg Bid)
    €1365 Offerta Media
    10 offerte

    Need a detailed explanation of Timejacking attack ([accedi per visualizzare l'URL]) with pictures.

    €35 (Avg Bid)
    €35 Offerta Media
    12 offerte

    I'm looking to create my own masternode coin project and currently looking for developer(s) to fork/build a masternode coin

    €2557 (Avg Bid)
    €2557 Offerta Media
    26 offerte
    Readymade crypto trading platform 3 giorni left
    VERIFICATO

    Hello I am looking for Cryptocurrency trade platform. I will appreciate any readymade system. Please bid, if you are experienced on it and got demo. i am looking for something like binance or yobit or cobinhood Do not bid more than of my budget or do not bid, if your price is more than of my budget. No time waster [accedi per visualizzare l'URL] WITH DEMO ACCESS

    €10791 (Avg Bid)
    €10791 Offerta Media
    35 offerte
    Telegram bot script 3 giorni left
    VERIFICATO

    We need an gaming bot in telegram just like "world car bot". Only serious communication. Require Direct BTC payment. We are looking for a long-term participation for the project. Our Requirements Language - English. Function like - Buy/Invest, Factory, Shop, Bonus, Add/Deposit, Withdraw, History, My Team/Referral, Help/FAQs, etc. We want a similar bot to world car bot & . If you want...

    €592 (Avg Bid)
    €592 Offerta Media
    11 offerte

    We need an Investment/HYIP bot im telegram for our mining and trading company. Only serious communication. Require Direct BTC payment. We are looking for a long-term participation for the project. Our Requirements Language - English. Function like - Balance, Deposit, Reinvest, Withdraw, History, My Team/Referral, Help/FAQs. We want a similar bot to iCenter Bot. If you want more details contact us.

    €636 (Avg Bid)
    €636 Offerta Media
    9 offerte
    Telegram Investment/HYIP bot script 3 giorni left
    VERIFICATO

    We need an Investment/HYIP bot im telegram for our mining and trading company. Only serious communication. Require Direct BTC payment. We are looking for a long-term participation for the project. Our Requirements Language - English. Function like - Balance, Deposit, Reinvest, Withdraw, History, My Team/Referral, Help/FAQs. We want a similar bot to iCenter Bot. If you want more details contact us.

    €604 (Avg Bid)
    €604 Offerta Media
    7 offerte
    CryptoCurrency ATM Software -- 2 2 giorni left
    VERIFICATO

    Cryptocurrency ATM Software The software will run on Windows OS. Front end software. Customer select coins to purchase, Customer will be able to purchase all coins listed on USDT through binance trading. Customers will fund machine with Canadian currency through a bill acceptor. The bill acceptor will then fund machine and purchase whatever coins they selected through binance through the U...

    €5130 (Avg Bid)
    €5130 Offerta Media
    32 offerte

    I buy and sell bitcoin and other crypto. Need to monitor my traders and traders, and their trades, and know my financial condition in real time at all times, with crm on back end. App would be able to be configured to set trading prices, and then show transaction details such as market price, price with fee, and do all necessary calculations for total transparency displayed to all. After tra...

    €32 / hr (Avg Bid)
    €32 / hr Offerta Media
    53 offerte

    im wanting a qoutee for somebody to enter crypto currency payments and wallets into my site

    €787 (Avg Bid)
    €787 Offerta Media
    23 offerte

    hello we need good employ free lancer to mange our bitcoin and etheruim trade for our company that he will work in our company to founded the bitcoin and etheruim for our company and our customers he must be online every day 10 hours we will also paid him in free lancer per month or week depend to his work

    €1017 (Avg Bid)
    €1017 Offerta Media
    38 offerte

    we need employ good freelancer to be our foundation for our company in bitcoin and Ethereum wallets which he will work for us per monthly salary under protect of freelancer his work will be foundation for us the bitcoin and Ethereum thats we need for our company every month

    €732 (Avg Bid)
    €732 Offerta Media
    31 offerte

    I require the development (full front and back end ) of a live games casino website and the development of 2 games to be used a poker game and a slots game , i also need the implementation of a fictional currency that the user can buy with bitcoins so i also need a transaction system.I have a small budget of 50 $ available if your require more do not send offers !

    €110 (Avg Bid)
    €110 Offerta Media
    3 offerte

    Hello! I would like a READY MADE Bitcoin Lottery Script. It needs to be already developed/ready to be delivered and you need to have a demo available. Experience in PHP, Bitcoin and Blockchain is a requirement.

    €62 (Avg Bid)
    €62 Offerta Media
    4 offerte

    Dear Freelancers, we require Web-wallets and Smartphone-apps (ios and Android) for our Crypto coin "InterCrone" ([accedi per visualizzare l'URL]). Basicly we need a function where our clients can store and move their coins at will which is accessible from all around the world 24/7. We also would like an included option of 2FA like a browser verification mail and Google Authenticat...

    €4860 (Avg Bid)
    €4860 Offerta Media
    58 offerte

    Looking for HYIP Doubler Script You must already have the script then you have to install it at my domain. Stay off if you do not have an already made script I want a straight to the point deal no delays and waste of unnecessary time.

    €124 (Avg Bid)
    €124 Offerta Media
    11 offerte
    Bettin Site 1 giorno left

    Hello i need a betting and cas1n0 site. Deposits should be bitcoin. Events and event rates gonna add automatic

    €1117 (Avg Bid)
    €1117 Offerta Media
    26 offerte

    I have a new site that is like Quora and I'm looking for someone who can ask and answer common questions regarding Crypto currency to simulate content and activity on the site.

    €6 / hr (Avg Bid)
    €6 / hr Offerta Media
    12 offerte

    I have a new site that is like Quora and I'm looking for someone who can ask and answer common questions regarding Crypto currency to simulate content and activity on the site.

    €6 / hr (Avg Bid)
    €6 / hr Offerta Media
    9 offerte

    Necesito modificar unos items en una plataforma de laravel

    €410 (Avg Bid)
    €410 Offerta Media
    39 offerte

    I migliori articoli di Bitcoin della community