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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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    34 jobs found, pricing in USD

    Let me know please if you have the needed amount , so we can discouss for more .

    $100 (Avg Bid)
    Guaranteed Sealed
    $100
    0 entries

    help me creating erc 20 smart contract

    $177 (Avg Bid)
    $177 Avg Bid
    7 bids

    I need an experienced website developer who can design a marketplace for Crypto-Currency, trading, buy and sell and few more sophisticated functionalities.

    $22 / hr (Avg Bid)
    $22 / hr Avg Bid
    28 bids

    Its was built using the waves platform

    $21 / hr (Avg Bid)
    $21 / hr Avg Bid
    21 bids
    bitmex trading bot bitcoin 6 days left
    VERIFIED

    hello i would like a gui bot that i can manage a lot of api's. i want to buy sell stop loss and all bitmex features. python api

    $586 (Avg Bid)
    $586 Avg Bid
    13 bids
    Bitmex Bot multiple api 6 days left
    VERIFIED

    hello i would like a gui bot that i can manage a lot of api's. i want to buy sell stop loss and all bitmex features.

    $27 (Avg Bid)
    $27 Avg Bid
    1 bids

    This Job is only for USA members . Our firm announces a job opening for a Financial Operations Assistant. This position is available immediately Office Job -- Full Time or Part Time. No experience necessary, Training [login to view URL] for advancement. The ideal candidate would have to be a very serious and ethical person. This Job is only for USA members .

    $36 / hr (Avg Bid)
    $36 / hr Avg Bid
    11 bids

    Content writing on Bitcoin/cryptocurrency

    $377 (Avg Bid)
    $377 Avg Bid
    29 bids

    I need someone who can develop crypto trading software. platform I'm focusing - Binance, Bittrex

    $489 (Avg Bid)
    $489 Avg Bid
    21 bids

    My company is in need of a fully functional Crypto Exchange for BTC and ERC20 tokens That has the similar working features and functionality as hitbtc but with a unique front end. High-security backend end functionality with 2 FA authorization and Google recaptcha at login. Script must have liquidity API script for instant liquidity. Must have a viewable working demo or past crypto exchange job c...

    $2327 (Avg Bid)
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    44 bids

    i want to make auto payment system with bitcoin for my website [login to view URL] im have payment system paypal and 2checkout and i want to add payment with bitcoin i need to implement the new payment method with api of bitcoin

    $470 (Avg Bid)
    $470 Avg Bid
    21 bids

    I need to make a new coin using open source of current one, before you bid note you should have experience in fork POS coins before and make everything work probable, contact me for all coin specifications. Please bid within my budget...

    $654 (Avg Bid)
    $654 Avg Bid
    12 bids

    I am looking for a Native writer for some Articles on the subjects of Cryptocurrency, the Blockchain Technology, and ICOs. The articles are meant to be published on different websites related to the topics mentioned. The articles can be targetted for readers with different knowledge of the subject. Also highly experienced in writing ICO whitepapers is a plus. We have a lot of writing tasks regard...

    $10 - $30
    Sealed
    $10 - $30
    9 bids

    Need an A to Z, Blockchain, Bitcoin, Smart contract, ICO, White papers expert, who have completed a project successfully and can share white papers + project, please share your project link in the bid. Many thanks

    $2992 (Avg Bid)
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    50 bids

    I have a php wallet script and I need to integrate a digital coin wallet address generation system cryptocurrency

    $252 (Avg Bid)
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    22 bids
    Develop Exchange (Crypto) 4 days left
    VERIFIED

    I want someone who has done cryptocurrency exchange. Basically, I'm trying to complete exchange with the low budget. The exchange like a binance, bittrex and must have to have all function same as other exchange. Different Market, API, Tracking my Budget is just 500$

    $736 (Avg Bid)
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    24 bids

    Searching a telegram bitcoin investment bot with: deposit withdrawl reinvest balance referrals ref-link infos

    $245 (Avg Bid)
    $245 Avg Bid
    10 bids
    blockchain consultation 4 days left
    VERIFIED

    we are exploring few blockchain use-cases and we need someone to consult and develop

    $332 (Avg Bid)
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    13 bids

    I need a PIVX fork. With wallets compiled and masternode configurate. Should include genesis and checkpoint changes also. Deliver working.

    $963 (Avg Bid)
    $963 Avg Bid
    10 bids

    Hello Everyone!!! This will be a unique and successful platform. The business strategy and what we are offering is one of kind. It will be one of top 10 Crypto-Currency entities the world. If you're looking for long term then stop and bid because this is for you, this once in a life time opportunity...DO NOT MISS IT!!! Languages Required: (PHP / BootStrap / MySQL / HTML5 / CSS3). Requireme...

    $504 (Avg Bid)
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    17 bids

    I want to fork Steem blockchain and want to connect with my own proof of content network. developer need to fork steem blockchain and deliver me api and wallets which required. come up with what you can provide, timeline and cost.

    $1301 (Avg Bid)
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    14 bids

    We are looking for someone who can help us with marketing in the Chinese/Korean region. I want someone who must be experienced in this field. You need to show us some example(s) of your previous work. Thanks in Advance.

    $428 (Avg Bid)
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    4 bids
    EXCHANGE SITE 1 day left

    Hi, I'm looking for an exchange website with all the features of sites like binance, bitrex, ready to customize and put in my project in motion.

    $1654 (Avg Bid)
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    40 bids

    hi i would like to learn how to buy and sell crypto like bitcoin and etheruim in Binance or any another market place i just need to learn how to buy and how to sell how to exchange i need good free lancer to learn me about this with good profit 1000 usd i will learn fast

    $1051 (Avg Bid)
    $1051 Avg Bid
    26 bids

    hello i would like to learn about crypto and forex trade in the Binance website and need good free lancer to learn me about the trade in crypto and forex i want to learn how to buy and how to sell and every thing about crypto and how it work with good payment i will paid

    $1116 (Avg Bid)
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    10 bids

    I'm looking for someone who has an experience in building a lending platform on cryptocurrency based. You don't need to develop cryptocurrency we already have the token. I'm willing to pay 100$ for full service!! If you already have the website you can sell...its easy...

    $386 (Avg Bid)
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    7 bids

    I need A Cryptocurrency Wallet App developer to fix my wallet The biggest issue we are seeing right now is that the client will not stay connected to the server. It connects then immediately disconnects with no errors from the client or the server. The server is at the correct block height and seems to talk to the core node just fine Outside of that it needs to be upadated to support the fork at...

    $2360 (Avg Bid)
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    11 bids

    Hi, We are looking for someone or a company who have many years experience in Wordpress, Crypto like Bitcoin etc. and Web development. We need someone who can extend the functionality of the provided Wordpress theme. The requirements can be found in the uploaded ppt.

    $522 (Avg Bid)
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    81 bids

    Hello, I am looking for a programmer to create and secure ERC20 token. I am creating an ICO, where tokens will be backed by real estate projects in Central Europe and holders of those tokens will receive profit share in ETH. Thank you, Jiří Cipín

    $479 (Avg Bid)
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    13 bids

    OTC Trading P2P Trading Escrow System Simular to localbitcoins and paxful Needs a clean UI Easy to use admin interface User must be able to buy and sell btc able to upload btc to wallet and transfer out when they like I want the same functions as [login to view URL] or [login to view URL]

    $53 / hr (Avg Bid)
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    46 bids

    Hello, I am looking for an experienced ICO advisor and ICO Manager. I am looking to open a revolutionary Crypto Currency Exchange and wallet service platform. There will be an ICO for Utilty token that will be used on the platform. This will be different and will succeed based on what we are offering. Kindly contact me so we can discuss this. Thank you.

    $755 (Avg Bid)
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    24 bids

    I am looking for a professional Whitepaper for a new ICO we will be launching. 15Pages+ with good market research included some economics with references and Charts. I will give you around 40% of the info I already have with an overview of the product. Knowledge of Token sales important and how to include it in the Whitepaper. High-level Knowledge of the following is needed: - Electricity market...

    $742 (Avg Bid)
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    68 bids
    Create a new Crypto Currency 8 days left
    VERIFIED

    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.

    $3504 - $5841
    Featured Sealed NDA
    $3504 - $5841
    43 bids
    Multi Asset Wallet 6 days left
    VERIFIED

    Wir benötigen ein Multi-Asset Wallet mit folgenden Funktionen: - Administrierbar, damit man eingenständig Coins hinzufügen kann - AltCoins , ICO , Token - User Login , mit allen Wallet`s die man sich erstellen kann - Charts - History - Senden/Empfangen - Market API Anbindung Beispiel : [login to view URL] We need a multi-asset wallet with the following features: - administrabl...

    $1799 (Avg Bid)
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    11 bids

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