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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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    40 jobs found, pricing in SGD

    Existing Cryptocurrency needs a wallet update fork with all existing transactions. Must have experience in blockchain development and forking existing cryptocurrencies.

    $3424 (Avg Bid)
    $3424 Avg Bid
    13 bids

    I would like to build crypto trading bot for small transactions and crypto news research ( mainly new coins with great ideas) for investors. I will send you invitation link to our forum during interview Looking forward to working with you

    $1213 (Avg Bid)
    $1213 Avg Bid
    8 bids

    we want to build a cryptocurrency exchange not token exchange not ICO website crypto exchange BTC BCH ETH LTC XRP NEO USDT also, we want to add two fiats for trading all coins should be able to trade with each other as a pair and for fiat as well *** you can download requirements document and read that in depth and word by word *** if you want to have a chance to choose as this project freelanc...

    $8199 - $10931
    Featured Sealed
    $8199 - $10931
    56 bids

    I have long term project and I need software company who can work on blockchain development with us. You should be available for 8 hours at least in a day

    $39 / hr (Avg Bid)
    $39 / hr Avg Bid
    11 bids

    Looking for another developer to help work on a Cryptocurrency Exchange.... You will be helping with this but so in theory you're doing half the work and probably way less since he started a week ago with ready scripts. do not bid submit higher bid because we're not launched and bonus with a long term opportunity will be given depending on how you work. Languages Required: (PHP / BootS...

    $250 (Avg Bid)
    $250 Avg Bid
    16 bids

    Looking for another developer to help work on a Cryptocurrency Exchange.... You will be helping with this but so in theory you're doing have the work and probably way less since he started a week ago. Languages Required: (PHP / BootStrap / MySQL / HTML5 / CSS3). Requirements: 1) Work on two Ready scripts. 2) Connect the final work with the template provided. 3) Connect and integrate all A...

    $821 (Avg Bid)
    $821 Avg Bid
    11 bids
    Block chain tor website 6 days left
    VERIFIED

    Hey, i need to make a tor website Configuring Onion Services for Tor. If you know about tor and blockchain please only send me the proposal. [login to view URL]

    $709 (Avg Bid)
    $709 Avg Bid
    17 bids

    i need s script wich allows me to set entry, stop loss and take profit at the same time it needes to automatic set the quantity based in the risck i choose eg: if a choose risk 1% and a stop loss of 10 points from my entry it will set the lot size that when the stop loss is triggered it will lose 1% of my account balance the take profit will automatically calculated based n the stop loss and a ...

    $30 / hr (Avg Bid)
    $30 / hr Avg Bid
    2 bids
    BTC FOR poleznifrko 6 days left
    VERIFIED

    PROJECT INTENDED TO EXCHANGE NON-SUCCESSFUL OPERATION

    $14 - $41
    $14 - $41
    0 bids

    What i need now is to make a arbitrage bot for coin trading. The bot should announce me the time when there is a chance of arbitrage in 10 platforms. Must have knowledge and skill in building crypto technique and building bot in python. Willing to pay higher rate for one who proves his own skill in this area.

    $1095 (Avg Bid)
    $1095 Avg Bid
    20 bids

    We require a coin to be created using the Quark algorithm to the spec that we request, The coin will need similar of another known coin which will be discussed once the project has been awarded. Applicant must have experience with masternodes and have experience with Quark. This will be an ongoing project which will have future benefits of working close as a team. Wallet creation to our specs and ...

    $2451 (Avg Bid)
    $2451 Avg Bid
    15 bids
    Simple Ethereum Token Swap 5 days left
    VERIFIED

    I want a simple contract where users send the old version of our token and instantly receive the new version of our contract. For each 1 token of the old version they send they will receive 3 of the new token. this should be automated and gas is paid by the user when they send the old contract so I shouldnt have to add eth for gas for this function. I need this asap.

    $302 (Avg Bid)
    $302 Avg Bid
    13 bids

    I am looking for an international Law Attorney with a solid background in the Crypto, Fin tech and ICO space.

    $413 (Avg Bid)
    $413 Avg Bid
    11 bids

    We need a clone of CoinBase site to buy crypto

    $3056 (Avg Bid)
    $3056 Avg Bid
    20 bids
    ICO whitepaper 4 days left
    VERIFIED

    i need someone that can create a good quality ico whitepaper that explains what the overall business is about. show your portfolio.

    $264 (Avg Bid)
    $264 Avg Bid
    27 bids
    Crypto Exchange 3 days left
    VERIFIED

    Hello, I need a crypto exchange line [login to view URL] and others

    $2890 (Avg Bid)
    $2890 Avg Bid
    24 bids
    $89 Avg Bid
    3 bids

    [login to view URL] is where this alert will be focused on only one asset. You have bid and ask prices I want an alert when these prices hit 0.00000009 and 0.00000011. I can have email alerts and or pop up or whatever as long as it is in real time

    $171 (Avg Bid)
    $171 Avg Bid
    4 bids

    Hi This is altcoin creation task. No difficult algorithm. Just only fork the bitcoin and create altcoin for specific requirement. Please have a look attached file.

    $1811 (Avg Bid)
    $1811 Avg Bid
    11 bids

    Hello, everyone. We are going to build crypto currency exchange site (CEX). If you was working on CEX UI, Please contact me.

    $3141 (Avg Bid)
    $3141 Avg Bid
    36 bids

    I need Developers that have experience with Blockchain technology Skillset needed Bitcoin Core, masternodes, C/C++, Api Development, ERC 20,

    $26 / hr (Avg Bid)
    $26 / hr Avg Bid
    21 bids

    help me creating erc 20 smart contract

    $198 (Avg Bid)
    $198 Avg Bid
    12 bids

    I need a mining script for my blog. where only the customer visits the site, he is already mining for me. [login to view URL]

    $178 (Avg Bid)
    $178 Avg Bid
    8 bids

    Its was built using the waves platform

    $29 / hr (Avg Bid)
    $29 / hr Avg Bid
    22 bids
    bitmex trading bot bitcoin 1 day 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

    $859 (Avg Bid)
    $859 Avg Bid
    14 bids
    Bitmex Bot multiple api 1 day 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.

    $13 - $48
    $13 - $48
    0 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 .

    $48 / hr (Avg Bid)
    $48 / hr Avg Bid
    15 bids

    Content writing on Bitcoin/cryptocurrency

    $728 (Avg Bid)
    $728 Avg Bid
    34 bids

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

    $633 (Avg Bid)
    $633 Avg Bid
    25 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...

    $3219 (Avg Bid)
    $3219 Avg Bid
    46 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

    $667 (Avg Bid)
    $667 Avg Bid
    22 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...

    $765 (Avg Bid)
    $765 Avg Bid
    15 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

    $4530 (Avg Bid)
    $4530 Avg Bid
    54 bids

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

    $347 (Avg Bid)
    $347 Avg Bid
    21 bids
    Develop Exchange (Crypto) 6 hours 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$

    $1006 (Avg Bid)
    $1006 Avg Bid
    24 bids

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

    $323 (Avg Bid)
    $323 Avg Bid
    11 bids
    Create a new Crypto Currency 3 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.

    $4825 - $8041
    Featured Sealed NDA
    $4825 - $8041
    46 bids

    Hello, Looking for an ICO adviser who is an expert with solid Tokenomics and Financial Model background. You must have a solid international background in business, ICO funding and private sales. The model will be a Crypto Currency exchange, if there is anyone that has executed an exchange and ICO platform successfully than this is for you. Thank you.

    $327 (Avg Bid)
    $327 Avg Bid
    5 bids

    Hi This is altcoin creation task. No difficult algorithm. Just only fork the bitcoin and create altcoin for specific requirement. Please have a look attached file.

    $1422 (Avg Bid)
    $1422 Avg Bid
    7 bids
    Multi Asset Wallet 1 day 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...

    $2469 (Avg Bid)
    $2469 Avg Bid
    11 bids

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