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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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    46 仕事が見つかりました。次の価格: USD

    I'm searching a company who can make ICO for my clients. Legal adivsors and using tax havens,Marketing, translate, create a website. Only companies with experience.

    $54 / hr (Avg Bid)
    $54 / hr 平均入札額
    5 入札

    This project for who did fork PoS coins before. All i need from you to fork new coin from any PoS coin to new PoS coin for education purpose, this allow me to understand the fork well. I'll send you new name ,logo, total supply, new fees, block time, and other parameters can change easy. I'll receive from you: 1-New source code with new parameters i submit,(new name, ....) 2-How i do ...

    $25 (Avg Bid)
    $25 平均入札額
    1 入札

    Creation of a platform where the user can buy or sell bitcoin, ethereum, etereum classic, monero, dash, ripple, bitcoin cash litecoin. The site will have to be in - responsive mode and graphically clean with big and clear icons, therefore, - the user who will enter the login area (which will be a subdomain) will display the option to log in or register if you register then you will have to enter ...

    $2882 (Avg Bid)
    $2882 平均入札額
    12 入札
    Escrow for cryptocurrency 6 days left
    認証完了

    Hi. I am looking for someone who can create a similar site like escrow.com in function but users will pay with some cryptocurrency like bitcoin, litecoin, .. Please contact me if you think you can do it the best.

    $941 (Avg Bid)
    $941 平均入札額
    15 入札

    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 ...

    $10 - $30
    $10 - $30
    0 入札

    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 ...

    $1180 (Avg Bid)
    $1180 平均入札額
    9 入札

    We are searching for a copywriter for newsletters writing / proofreading and content writing for a website and social media. Cryptocurrency knowledge is a must. Please share your previous cryptocurrency related work when applying.

    $35 / hr (Avg Bid)
    $35 / hr 平均入札額
    31 入札

    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.

    $2576 (Avg Bid)
    $2576 平均入札額
    25 入札

    We need an experienced developer to build our crypto trading bot. You must have a portfolio for this and should be able work fast. Please do not send automated proposal, because we would ignore it, If you think you are fit for this job please feel free to apply.

    $35 / hr (Avg Bid)
    $35 / hr 平均入札額
    17 入札
    create token erc20 eth 6 days left
    認証完了

    create erc20 token through an intelligent contract

    $122 (Avg Bid)
    $122 平均入札額
    3 入札
    Blockchain development fork of PIVX 6 days left
    認証完了

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

    $2743 (Avg Bid)
    $2743 平均入札額
    32 入札

    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

    $885 (Avg Bid)
    $885 平均入札額
    8 入札
    Build A CryptoCurrency Exchange 5 days left
    認証完了

    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...

    $6000 - $8000
    特集 シール
    $6000 - $8000
    73 入札

    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

    $29 / hr (Avg Bid)
    $29 / hr 平均入札額
    18 入札

    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...

    $171 (Avg Bid)
    $171 平均入札額
    18 入札

    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...

    $1106 (Avg Bid)
    $1106 平均入札額
    12 入札
    Block chain tor website 5 days left
    認証完了

    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]

    $813 (Avg Bid)
    $813 平均入札額
    20 入札

    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 ...

    $24 / hr (Avg Bid)
    $24 / hr 平均入札額
    3 入札
    BTC FOR poleznifrko 5 days left
    認証完了

    PROJECT INTENDED TO EXCHANGE NON-SUCCESSFUL OPERATION

    $10 - $30
    $10 - $30
    0 入札
    I need A Bot for trading coins. 4 days left
    認証完了

    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.

    $801 (Avg Bid)
    $801 平均入札額
    20 入札

    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 ...

    $1772 (Avg Bid)
    $1772 平均入札額
    16 入札
    Simple Ethereum Token Swap 4 days left
    認証完了

    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.

    $212 (Avg Bid)
    $212 平均入札額
    14 入札

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

    $296 (Avg Bid)
    $296 平均入札額
    12 入札

    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.

    $239 (Avg Bid)
    $239 平均入札額
    5 入札
    CoinBase clone crypto exchange site 4 days left
    認証完了

    We need a clone of CoinBase site to buy crypto

    $2145 (Avg Bid)
    $2145 平均入札額
    21 入札
    ICO whitepaper 3 days left
    認証完了

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

    $194 (Avg Bid)
    $194 平均入札額
    27 入札
    Crypto Exchange 2 days left
    認証完了

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

    $2115 (Avg Bid)
    $2115 平均入札額
    24 入札

    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.

    $1041 (Avg Bid)
    $1041 平均入札額
    7 入札

    [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

    $118 (Avg Bid)
    $118 平均入札額
    3 入札

    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.

    $1325 (Avg Bid)
    $1325 平均入札額
    11 入札

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

    $2277 (Avg Bid)
    $2277 平均入札額
    37 入札

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

    $19 / hr (Avg Bid)
    $19 / hr 平均入札額
    21 入札

    help me creating erc 20 smart contract

    $145 (Avg Bid)
    $145 平均入札額
    12 入札

    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]

    $130 (Avg Bid)
    $130 平均入札額
    8 入札
    $21 / hr 平均入札額
    22 入札
    bitmex trading bot bitcoin 1 day left
    認証完了

    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

    $599 (Avg Bid)
    $599 平均入札額
    15 入札
    Bitmex Bot multiple api 1 day left
    認証完了

    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.

    $9 - $35
    $9 - $35
    0 入札
    Multi Asset Wallet 20 hours left
    認証完了

    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...

    $1807 (Avg Bid)
    $1807 平均入札額
    11 入札
    US based Bitcoin Operations assistant 19 hours left
    認証完了

    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 .

    $35 / hr (Avg Bid)
    $35 / hr 平均入札額
    15 入札
    Develop Crypto Trading Software 10 hours left
    認証完了

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

    $463 (Avg Bid)
    $463 平均入札額
    25 入札

    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...

    $2356 (Avg Bid)
    $2356 平均入札額
    46 入札

    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

    $488 (Avg Bid)
    $488 平均入札額
    22 入札

    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...

    $560 (Avg Bid)
    $560 平均入札額
    15 入札
    Create a new Crypto Currency 3 days left
    認証完了

    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.

    $3526 - $5877
    特集 シール NDA
    $3526 - $5877
    47 入札