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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

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, 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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    847 jobs found, pricing in GBP
    Build me a Crypto Exchange 6 days left

    Kindly read the details carefully before bidding on this project. This project requires extra ordinary programming skills and a strong knowledge of the crypto economy. "I need a Crypto Exchange Website" with mobile apps done. I will discuss further details when I have shortlisted. Thank You

    £1082 - £2165
    Sealed NDA
    £1082 - £2165
    3 bids
    ethereum smart contract 6 days left

    Looking for someone to develop an ethereum smart contract for an ICO. Looking for someone to create a coin.

    £3681 (Avg Bid)
    £3681 Avg Bid
    19 bids

    I need a custon mlm script to use with eth cryptocurrency and the 500.000.000 cryptocurriense in the name of joingroewth with the symbol jgt

    £259 (Avg Bid)
    £259 Avg Bid
    6 bids
    crypto coin exchange website 6 days left

    I am looking for experience crypto currency developer to create coin exchange website. you should have very good knowledge on block chain and coin like bitcoin, ethereum etc. please provide me your past work.

    £816 (Avg Bid)
    £816 Avg Bid
    16 bids
    Crypto Exchange Platform 6 days left

    We need an expert who has created a cryptocurrency exchange platform. Where users does buy and sell and using multiple digital currency. Please keep in mind we are putting heavy investments on this and we want you to show your past work on crypto exchange platform you have worked in

    £24655 (Avg Bid)
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    34 bids

    We are seeking for cryptocurrency consultants and EXPERTS who know how to build content for a teaching class we are doing about crypto. We also need any expert that has had success in your coin trading to demonstrate to others how easily it can be done and what to look for, the principles and the practice. If you accomplish this first phase successfully, you will be permanently hired to teac...

    £3094 (Avg Bid)
    £3094 Avg Bid
    5 bids

    Mình cần tạo một web giao dịch cryptocurrency giống như [url removed, login to view] Chức năng giao dịch cũng tương tự như vậy Có thêm các cổng nạp tiền bằng Ngân hàng Việt Nam Yêu cầu có chuyên môn về API Blockchain,đã có kinh nghiệm trong lĩnh vực lập trình web công nghệ thông tin,người Việt Nam

    £971 (Avg Bid)
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    21 bids

    Cryptocurrency Exchange Script - Bitcoin, Ethereum, Ripple etc...

    £1038 (Avg Bid)
    £1038 Avg Bid
    18 bids

    We need to implement a decentralized cryptocurrency exchange for exchanging a selected set of 10 cryptocurrencies, including our own coin. The decentralized exchange must be user friendly, easy to use and very scalable.

    £1175 (Avg Bid)
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    20 bids
    Crypto Coin Creation 6 days left

    We are interested in developing a new a new privacy Cryptocurrency. We would need assistance with Development Services such as a Wallet App for Android and iOS. The Crypto Coin Creation. Also open to suggestions about Crypto Coin Mining, Pool Mining, Coin Web Wallet, (ICO) Development, MLM Software Development, and Smart Contract Development. I know that I mentioned a lot.

    £3368 (Avg Bid)
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    46 bids

    We need Pamm scrypt system [url removed, login to view] we need pamm script system mast do BTC withdraw / deposit affiliate procent for transaction profit for admin % API choice attach to any trade platform

    £345 (Avg Bid)
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    14 bids

    Hello we are running Peatio on our exchange and need to add 5 coins, XRP,XMR,XLM,ETH,ETC

    £99 (Avg Bid)
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    14 bids

    We are looking for a good developer or a team for 2 projects Blockchain Trading website / hyperledger /Smart Contracts, Golang to customize ethereum core : main conditions 1- fully secured 2- you should have done this type of work before 3- you should know what is bitcoin and aware of bitcoin trading 4- handle many transactions in the same time. Thank you

    £40 / hr (Avg Bid)
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    1 bids

    Cryptocurrency Exchange Script - Bitcoin, Ethereum, Ripple etc...

    £3087 (Avg Bid)
    £3087 Avg Bid
    36 bids

    Hello, everyone! I need your help to develop my ICO website. If you are a ICO expert, please bid on my project. I will explain my more details to a proper candidate over chat. Thanks in advance.

    £402 (Avg Bid)
    £402 Avg Bid
    28 bids

    i want to save a hash to the blockchain with the transactions fees to be as low as possible, please only bid if you've already done a similar project - basically i need a page from where i can enter the hash with a "send" button to submit the transaction (the important here is to have almost no fee per transaction)

    £633 (Avg Bid)
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    11 bids

    "Connected" is an online platform that helps people to find experts (chat/video call). Anyone from architects to Italian chefs, tutors, doctors, lawyers, etc. Instant payment system - credit card payments/cryptocurrencies. We are launching soon on App store and prepare for ICO. Need PR and publicity recognition.

    £39 / hr (Avg Bid)
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    26 bids

    Hi, i have custom ERC20 token that build using Ethereum smart contract, and i need online wallet for members to manage this token with PHP & MySQL I used to be using free service like [url removed, login to view], but i want more simple functions, already made modification from MyEtherwallet on [url removed, login to view] , but want to be more simple than that, no need swap ether, or displ...

    £220 (Avg Bid)
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    14 bids

    - need some advice on building our own mining rig for cryptocurrencies - provide us a list of everything we need to buy for building our own mining rig - after we purchase everything, guide us through how to set up and answer our questions. *We are looking for passionate developers who care about quality and efficiency that we can have a long-term collaborative relationship with . If you thin...

    £385 (Avg Bid)
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    16 bids

    The project consists of the following steps: 1. Copy of the art of the site that is almost finished. 2. Include the following digital coins. BTC, ADA, BCH, DASH, ETH, ETC, LTC, XMR, XRP, XLM, ZEC these being the basis and quota for the BTC, example ADA / BTC, XRP / BTC. 3. You need to include a page for the client's wallet your deposits and withdrawals. wallet [url removed, login ...

    £370 (Avg Bid)
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    23 bids

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