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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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    create a cryptocurrency 6 дней(-я) left

    I'm looking to create a cryptocurrency based on PIVX

    $907 (Avg Bid)
    $907 Ср. ставка
    16 ставки
    Software for connect mining pools 6 дней(-я) left
    ПОДТВЕРЖДЕН

    Hello I need someone to who can create a software/programme in which we can connect 10-15 mining pools such as [войдите, чтобы посмотреть URL] pool, antpool, slushpool, etc. which can connect to mining rigs and generate Bitcoin,Altcoin, Monero, or any coins depends on profitability. It doesn't necessarily connect to Bitcoin mining pool, it can connect to any pool which brings more coins( any ...

    $143 (Avg Bid)
    $143 Ср. ставка
    1 ставки
    Crear Blockchain 6 дней(-я) left

    Hola , necesito crear una blockchain , para un proyecto de crytomoneda , en base a neoscript blockchain , con su wallet ,

    $729 (Avg Bid)
    $729 Ср. ставка
    17 ставки
    bitcoin website creation 6 дней(-я) left

    I need bitcoin expert to help me build or develop a high quality bitcoin website

    $204 (Avg Bid)
    $204 Ср. ставка
    15 ставки
    Build a crypto trading bot 6 дней(-я) left
    ПОДТВЕРЖДЕН

    I want to have a bot developed that identifies unusual increase in volume and buy and sell support and trades on the back of this.

    $602 (Avg Bid)
    $602 Ср. ставка
    17 ставки
    cryptocurrency expert and Devlopment 6 дней(-я) left
    ПОДТВЕРЖДЕН

    [войдите, чтобы посмотреть URL] cryptocurrency development - adding new functionalities, checking the cryptocurrency market, high-level cooperation with the development team

    $27 / hr (Avg Bid)
    $27 / hr Ср. ставка
    32 ставки

    Looking for an experienced cryptocurrency exchange developer to help us build our exchange with a high performance trading engine.

    $1380 (Avg Bid)
    $1380 Ср. ставка
    18 ставки
    Bitcoin PTC 6 дней(-я) left

    Looking for someone that knows about PTC websites and blockchain technology

    $743 (Avg Bid)
    $743 Ср. ставка
    22 ставки
    Smf + Bitcoin Addon 5 дней(-я) left

    Estoy buscando profesionales con grandes conocimientos sobre foros smf bitcoin y pasarelas de pago como coinpayents y/o blocktrail como tambien amplios conocimientos sobre seguridad para finalizar un proyecto que esta 80% escrito, se necesita finalizar unas caracteristicas y ademas asegurar la implementacion debido a fallos de seguridad. I am looking for professionals with great knowledge about b...

    $365 (Avg Bid)
    $365 Ср. ставка
    5 ставки

    We are looking for people to create a cryptocurrency trading platform as coinfalcon or other with admin panel. Max Budget : 600 - 700 $

    $926 (Avg Bid)
    $926 Ср. ставка
    39 ставки
    Blockchain Developer for EOS.io Token Smart Contracts 5 дней(-я) left
    ПОДТВЕРЖДЕН

    We require an experienced blockchain developer experienced in writing smart contracts for EOS based tokens. Ideally you understand how to code conditions for security like tokens such as dividends, voting and rewards. We need smart contracts coded for client ICOs and you need to be able to rapidly identify key requirements, information needed and time to develop the code. Please provide some e...

    $2973 (Avg Bid)
    $2973 Ср. ставка
    28 ставки
    INDEX PRICE SOFTWARE 4 дней(-я) left

    Hello. I want to display on my website a INDEX Price Chart. I need to be able to make the software track the price of 150 crypto currencies and then calculate (BASED on the ratio of allocation) the index price of the crypto currency basket. FOR EXAMPLE: we make the software track 150 crypto currencies, following the price of one of the major crypto exchanges, then we specify in the software h...

    $143 (Avg Bid)
    $143 Ср. ставка
    13 ставки

    Please read before bidding! I'm looking for the right team to launch an ICO. This will be a revolutionary project, you'll be grateful to have an opportunity in it and hopefully long term! First off a business background in the Middle-Eastern and North African market will make a huge difference. What I am interested in is having experience in terms of business and how to execute an ICO ...

    $461 (Avg Bid)
    $461 Ср. ставка
    19 ставки

    Hi, I am going to hire someone who has skills in cryptocurrency development. My app almost finished except the buy/sell function. So If you have really experience in buy/sell function implement, then Please bid with your experience. Or not please don't spend your time. I will never hire you if you don't have any experience. Please bid with ' crypto-expert' as the first words...

    $836 (Avg Bid)
    $836 Ср. ставка
    30 ставки
    Make the cryptocurrency buy/sell function with 3rd party api. 4 дней(-я) left
    ПОДТВЕРЖДЕН

    Hi there. I am going to add the buy/sell feature into my wallet. My wallet is based on the swift language and server side is using nodeJs and laravel framework. And I am going to use coinbase as the 3rd party api. If you have coinbase account, It is prefer. Only bid you have coinbase account to test the buy/sell function and have rich experience in coinbase related to buy/sell functions. It ...

    $15 / hr (Avg Bid)
    $15 / hr Ср. ставка
    5 ставки
    Dice gambling website bitcoin based cryptocurrency 4 дней(-я) left
    ПОДТВЕРЖДЕН

    A functioning dice gambling website similar to [войдите, чтобы посмотреть URL] has to support a custom cryptocurrency based on the bitcoin source.

    $684 (Avg Bid)
    $684 Ср. ставка
    22 ставки
    Cryptocurrency Wallet System 4 дней(-я) left
    ПОДТВЕРЖДЕН

    We need our own wallet system which can be used in our trading platforms. SO each user will get a unique wallet address from his login, and use it to send and withdraw coins from his account. Wallets system should be able to integrate with exchanges like bitstamp or Kraken, so the coins will be transfered to those exchagnes once user deposit. Please share your sample work related to the project.

    $702 (Avg Bid)
    $702 Ср. ставка
    12 ставки

    Hey Guys, Im looking for a person who are in JAPAN or PHILIPPINES could help me build like this kind of Bot on Telegram, check it out [войдите, чтобы посмотреть URL] IM planning for a weekly and Hourly Payouts through 2 options of Investments bitcoin and Dollar. withdrawable anytime they need. Would like to discuss the idea more with you. Thank You

    $1165 (Avg Bid)
    $1165 Ср. ставка
    15 ставки
    create me a complete ico page 4 дней(-я) left

    i need someone how create me a ico site incl all functions

    $1442 (Avg Bid)
    $1442 Ср. ставка
    9 ставки
    Add Cryptocurrency payment to website 4 дней(-я) left
    ПОДТВЕРЖДЕН

    Add Cryptocurrency payment ready casino website.

    $250 (Avg Bid)
    $250 Ср. ставка
    16 ставки
    Cryptocurrency gateway testing 4 дней(-я) left
    ПОДТВЕРЖДЕН

    Send any cryptocurrency to my wallet and get instant return money. I made this crytocurrency wallet and want to test it.

    $1596 (Avg Bid)
    $1596 Ср. ставка
    3 ставки
    Ethereum Developer Needed 4 дней(-я) left
    ПОДТВЕРЖДЕН

    I have a a small job to install an Ethereum Daemon and connect via json RPC.

    $43 (Avg Bid)
    $43 Ср. ставка
    9 ставки
    NEED WEB DEVELOPER THAT CAN TEST SMART CONTRACT ERC20 3 дней(-я) left
    ПОДТВЕРЖДЕН

    We need ICO developer to test and check to see if smart contract, burn token, token distributed, is working properly what other functionality is needed, so it can launch. Need to check to see if Token can be distributed correctly and going to admin wallet and to client wallet. If the system able to burn token and all the feature is working correctly. I need to know if the signin and register i...

    $373 (Avg Bid)
    $373 Ср. ставка
    19 ставки
    Looking for ICO advisors for my ICO project 3 дней(-я) left
    ПОДТВЕРЖДЕН

    I am looking to add ICO advisors for my ICO project Candidate must have blockchain/software or ICO background Please put your remuneration expectation and the services which you can provide.

    $1368 (Avg Bid)
    $1368 Ср. ставка
    39 ставки
    Install bitcoind 3 дней(-я) left
    ПОДТВЕРЖДЕН

    I need to install and set up bitcoind on a server. You need to be knowledgeable about bitcoind and core .

    $164 (Avg Bid)
    $164 Ср. ставка
    19 ставки

    I need somebody to help our c++ coder to get GDB debugger working on Vscode so he can debug cryptocurrency code. Support is to be done remotelly and via chat.

    $10 / hr (Avg Bid)
    $10 / hr Ср. ставка
    7 ставки
    lco listing script 3 дней(-я) left
    ПОДТВЕРЖДЕН

    we are looking ico listing script... anybody having a demo then only create bid

    $780 (Avg Bid)
    $780 Ср. ставка
    5 ставки
    CryptoCurrency trading platform 3 дней(-я) left
    ПОДТВЕРЖДЕН

    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 [войдите, чтобы посмотреть URL] WITH DEMO ACCESS

    $6812 (Avg Bid)
    $6812 Ср. ставка
    23 ставки
    Create Node.js Wallet for old sCrypt Altcoin 3 дней(-я) left
    ПОДТВЕРЖДЕН

    Looking for someone who can build a Node.js wallet for this altcoin (it's based of litecoin scrypt source): [войдите, чтобы посмотреть URL] Please provide a timeframe + cost. Please provide a screenshot of wallet running to verify you are serious about working together on this.

    $888 (Avg Bid)
    $888 Ср. ставка
    11 ставки
    Create a ShapeShift.io Clone for me 2 дней(-я) left
    ПОДТВЕРЖДЕН

    I need a website like [войдите, чтобы посмотреть URL] in which you can swap cryptocurrencies such as Bitcoin and Ethereum and Ethereum tokens in a few clicks without having to log-in. It cannot use any third-party APIs such as the ShapeShift API. And must run fast on slow processors.

    $5155 (Avg Bid)
    $5155 Ср. ставка
    45 ставки
    bitcoin, etherium, hyip 2 дней(-я) left

    need to build bitcoin, etherium, hyip

    $2832 (Avg Bid)
    $2832 Ср. ставка
    28 ставки
    CoinBase experienced web developer 2 дней(-я) left
    ПОДТВЕРЖДЕН

    Hi there. I am going to add the buy/sell function into my wallet. And I am going to use coinbase as the 3rd party api. If you have coinbase account, It is prefer. Only bid you have coinbase account to test the buy/sell function and have rich experience in coinbase related to buy/sell functions. I will require only simple functions and only backend working.. Thanks.

    $248 (Avg Bid)
    $248 Ср. ставка
    13 ставки
    Setup Mining Server For sCrypt Altcoin 1 день left
    ПОДТВЕРЖДЕН

    Looking for someone to setup a small mining server for a sCrypt altcoin listed here: [войдите, чтобы посмотреть URL] Difficulty = 434.693 Recommend a server / provider that can also be used for the server. Must have previously worked with mining sCrypt coins before.

    $172 (Avg Bid)
    $172 Ср. ставка
    6 ставки
    Crypto-Investment Telegram Bot 1 день left
    ПОДТВЕРЖДЕН

    I want a good freelancer who can create a classy crypto investment telegram bot that accepts: bitcoin, ethereum, litecoin and bitcoincash The telegram bot will work like [войдите, чтобы посмотреть URL] bot. For bitcoin investment: [войдите, чтобы посмотреть URL] For Ethereum investment [войдите, чтобы посмотреть URL] If you are not conversant in creating telegram not for investment site that wi...

    $707 (Avg Bid)
    $707 Ср. ставка
    10 ставки
    Blockchain 3.0 Developeer 1 день left
    ПОДТВЕРЖДЕН

    Must have experience with development of new cryptocurrencies.

    $811 (Avg Bid)
    $811 Ср. ставка
    24 ставки
    Crypto Currency Daemons installation and rpc connect 1 день left
    ПОДТВЕРЖДЕН

    Only the developer who have successfully installed these below daemons and connected them with PHP code. Please check the list below. BTC Ether LTC Bitcoin Cash Ripple Omisego Ox protocol Golem Tron Stellar Neo Nano Aion Eos Zilliqa

    $177 (Avg Bid)
    $177 Ср. ставка
    4 ставки

    We're a online start-up. We have several online platforms established since 2015. We are looking to expand and market into other region of the world. The marketplace platform we are looking for needs to be developed with lightweight and security as main key. LEMP stack is preferred. With that said, we need to be able to drop the files and database onto a server. With a few stack configur...

    $1328 (Avg Bid)
    $1328 Ср. ставка
    25 ставки

    Hello Freelancers , I need to get transaction details of my BTC and ETH wallet addresses . The information's which i requires such * ) IN or OUT Transactions *) From Address of the Transactions *) Amount of ETH / BTC transferred to my account *) Number of from transactions from single address If you complete this project within couple of hours - you will have assurance you will be a...

    $794 (Avg Bid)
    $794 Ср. ставка
    7 ставки

    Hi Everyone. i'm agency of the crypto ecommerce management company located in Liverpool. our company now looking for some talented developer who support blockchain technology for 3+ months. you must know very well about the HD wallet management. feel free to contact us. cheers

    $2749 (Avg Bid)
    $2749 Ср. ставка
    41 ставки

    hello we need free lancer to work in our company to be online in our company chat and facebook page he must be online 10 hours daily to send and received the money from our customers and make the exchange from bitcoin to eth and also from eth to bitcoin for salary 1300$

    $674 (Avg Bid)
    $674 Ср. ставка
    17 ставки

    We need a ready crypto exchange script with documentation for setup and use. Also we need some slight modification for it for our business. The script should be ready and not first to be developed. We also need a logo and landing page. We have a budget of 3000 Euro.

    $2885 (Avg Bid)
    $2885 Ср. ставка
    46 ставки
    Construction crypto coin ICO 9ч. left
    ПОДТВЕРЖДЕН

    Construction crypto coin ICO I need an experienced professional

    $1015 (Avg Bid)
    $1015 Ср. ставка
    34 ставки

    Only the developer who have successfully installed these below daemons and connected them with PHP code. Please check the list below. BTC Ether LTC Bitcoin Cash Ripple Omisego Ox protocol Golem Tron Stellar Neo Nano Aion Eos Zilliqa

    $1499 (Avg Bid)
    $1499 Ср. ставка
    7 ставки

    I want to do the simplest ICO ever. I want to take an asset (say a painting of mine, or my house, or my car), and pledge it to a digital coin offering. Whoever owns this coin owns the asset (and all distributions from the asset - say the painting sells at auction for $1mm dollars - then all holders of coins would get a distribution of cash). So I need someone to: Launch the coin on an exchange. I ...

    $1488 (Avg Bid)
    $1488 Ср. ставка
    20 ставки
    Create a new Crypto Currency 16 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.

    $3454 - $5756
    Избранные Скрытый Соглашение о неразглашении
    $3454 - $5756
    41 ставки