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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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    878 jobs found, pricing in AUD

    Hi there, We are looking for someone capable of making a complete video course related to crypto trading (10+ hours). Skills needed: - Previous experience creating videos (record screen) - Previous experience with power point or similars - Previous experience teaching - Previous experience trading (stocks, forex and / or cryptos) - Knowledge about cryptocurrencies - Knowledge about technic...

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    Tasks: 1) You will help me by shared screen (team viewer) to compile [login to view URL] and get it to connect to the Dogecoin network. Your job is to sit there and watch me and give me instructions on completing the build. 2) Modify the merkle root, genesis hash and checkpoint files to connect to a fork of the doge network.

    $28 / hr (Avg Bid)
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    Looking to get an initial business plan for cryptocurrency exchange operating in Saudi Arabia. Main provided services: - Deposit/Withdraw in SAR and USD. Make sure to mention supported currencies in your proposal. Just to make sure you have actually read the brief. - Deposit / withdraw in many different crypto currency. - Exhqnge any crypto

    $463 (Avg Bid)
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    Blockchain Developer urgent 6 days left
    VERIFIED

    I want to make a decentralize exchange using a open source blockchain after that i want to do many custom thing there, only experience guy bid here, i will request your past working experience in this filed.

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    Hi I want someone to integrate Blockchain(Bitcoin or Altcoins) payments in my application. Please check the attached Desktop Application carefully and if you can make it please make your bid. Thanks.

    $686 (Avg Bid)
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    (1) A Trading & Exchange Platform for Buy/Sell/Exchange of Crypto Currencies. To be developed on Larval platform. (2) 5 Coin integration to begin with- BTC, ETH, LTC, BCH and Ripple (3) E-Wallet- Crypto & Fiat (4) Fiat Deposit & Withdrawal integration. Means Exchange/Trade between Crypto to Crypto as well as Fiat to Crypto. Fiat- 1 Currency. (5) UI/UX of the site has to be very Modern...

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    I need online casino/gamble/dice site with bitcoin payments + need integrate one more cryptocoin

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    The blockchain is a wonderful thing. It’s only been around for ten years, and it’s already taking the world economy and shaking it by the roots. As it turns out, the economy isn’t the only thing the blockchain is set to transform. Cryptocurrency networks are being utilized on a variety of different fronts to do everything from saving the planet to choosing the nation’s nex...

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    PLEASE READ BEFORE BIDDING (NO ETHEREUM BASED BLOCKCHAIN) I wait from a blockchain developer to integrate this feature to the bitcoin fork: - Set sending limit (Anyone can set a send limit for a specific address using the private key, for example i set to my address to be able to send only 0.3 BTC under 24 hours, i can remove this condition with my private key, or modify it) - More information...

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    Fix a Bitcoin Fork - 5 days left
    VERIFIED

    All the specs for the coin are done. We just need someone who knows how to add the DNS seeds and make the fork to start mining (and visible to other peers). Please good budgets!

    $545 (Avg Bid)
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    Blockchain project assistance 5 days left
    VERIFIED

    We are currently building a crypto exchange and we require assistance to create user wallets for ERC20 supported wallets with all transactions being linked to the eth network. We also require assistance to send transactions after trade success.

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    Cloning bitcoinJ for altcoin, need assistance via shared screen - paid hourly.

    $28 / hr (Avg Bid)
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    local tool which can verify balance and transactions on cryptowallets: BTC, BCH, LTC, ETH, DAS, XRP - must communicate via api - return balance + transactions - bulk requests - dont want to use 3rd party service - ready to use open-source solutions - example insight for btc etc... - need bash script which will autoinstall the needed libraries, dependencies, clone git, settings etc on fresh ubuntu ...

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    We are looking to hire for our powerful cryptocurrency project which is now live! See our project at [login to view URL] We already have a team of 4 developers, we are looking to add top-notch developers to add man power to our team. We are specifically looking for those with STRONG C++ skills, and ability to understand a project and cryptocurrency programming quickly and effectively, to be...

    $52 / hr (Avg Bid)
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    crypto exchange platform 5 days left
    VERIFIED

    Need writer for the project: Keywords; Whitelabeled Exchange Software. Fully Secure blockchain based. One Year of support included. Bitcoin deposit, withdraw, buy and sell Ripple deposit, withdraw, buy and sell. Litecoin deposit, withdraw, buy and sell. Bitcoin Cash deposit, withdraw, buy and sell. Ethereum deposit, withdraw, buy and sell. Buy orders based on conditions. Sell orders based on cond...

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    Only the developers who already executed similar work successfully can contact me and work on this project. Must be finished within 1 day.

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    I need a new website. I need you to design and build my online store. Cloud mining website with all panels...

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    Project for Loai N. 8 days left
    VERIFIED

    Hi Loai N., I noticed your profile and would like to offer you my project. We can discuss any details over chat.

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    I am looking for a professional mobile developer/team to design and create a bitcoin mobile application wallet similar to [login to view URL] wallet. Github link ([login to view URL]) and iOS link ([login to view URL]). This is a long term position and I am looking for a very smart developer/team who can take an idea and turn it into a complete app with high quality and professionalism. I will be ...

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    I wrote a Medium article yesterday and want to advertise and market it so that it starts to gain traction. I'll provide you with the link to the Medium article, the link to my Reddit post, and the link to my twitter post for that same article. Please let me know how you can help promote this article of mine. Thank you!

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    We are looking for a promoter / admin for our Cryptocurrency Trading Chat. You should have expierence with Cryptocurrency Trading, or at least know the basics of Cryptocurrencies. Also Skills with Facebook Ads, or Google Ads, or any way of Marketing online are wished. For this job we search someone who can work 8 hours a day. The salary would be paid in hourly ratios, but you also have the oppurt...

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    We are looking for a promoter / admin for our Cryptocurrency Trading Chat. You should have expierence with Cryptocurrency Trading, or at least know the basics of Cryptocurrencies. Also Skills with Facebook Ads, or Google Ads, or any way of Marketing online are wished. For this job we search someone who can work 8 hours a day. The salary would be paid in hourly ratios, but you also have the oppurt...

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    PLEASE READ BEFORE BIDDING (NO ETHEREUM BASED BLOCKCHAIN) I wait from a blockchain developer to integrate this feature to the bitcoin fork: - Set sending limit (Anyone can set a send limit for a specific address using the private key, for example i set to my address to be able to send only 0.3 BTC under 24 hours, i can remove this condition with my private key, or modify it) - More information...

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    We need some one to install and configure the Draglet criptocurreny exchange software into an AWS Debian 8 Instance and create a mini Howto, such a way we can reproduce the instalation process into another instance. A previous experience or knowledge about cryptocurrencies is very desirable. Please, don't bid using "standard texts" and without taking at least a look into the docum...

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    I want a simple website with latest graphics with public site page, member login, admin login, superadmin login, this site should also accept cryptocurrency payments.

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    Looking for a Programmer for an indie Block-chain Venture. Prior experience is preferred in e-commerce along with crypto-currency programming .

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    Please bid seriously to this project if you have worked on exchange platform. I'm looking for experienced developer who can show me demo site similar with [login to view URL] Please check this site and drop message if you have worked on similar project. I'm ready to pay and get source code once I confirm. Thanks

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    online baccarat & sport bet game Bitcoin, Webmoney is Good when available.

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    Hello I am looking for Cryptocurrency trade platform. I will appreciate any readymade system. Please bid, if you are experienced on it. If you got demo, share link. 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 [login to view URL] you show demo, also i will required if its your...

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    i want design website like [login to view URL] intergration bitgo...usd 200. or negoticiateble price.

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    41 bids

    Live and offline courses by experienced tutors

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    The goal of this project is setting up a cryptocurrency exchange that would enable trading fiat currency for major cryptocurrencies(BTC,ETH,DASH,BCC,XRP,XLM) and trading altcoins for bitcoin and ETH. The exchange needs to have several payment / deposit options when trading fiat: SEPA, International Bank Wire, Visa, Mastercard and PerfectMoney. Setting up an account must include verification proces...

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    Hello I am looking for Cryptocurrency trade platform. I will appreciate any readymade system. Please bid, if you are experienced on it. If you got demo, share link. 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 [login to view URL] you show demo, also i will required if its ...

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    We want our coins registered in crypto exchange for trade / exchange. Listing in Bittrex/Binance/BitHumb/HitBTC/Luno Only those who have experience in registering cryptocurrency in crypto exchange and received by crypto exchange. We only pay if it works. For more information please contact us!

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    We want to add our cryptocurrency on crypto exchange. Bittrex/Binance/BitHumb/HitBTC/Luno Only have registered cryptocurrency in crypto exchange and received. We only pay if it works. For more information, please contact us!

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    TRading bot 2 days left

    DO NOT BID WITH PLACEHOLDER BID!!!! ANy price you put is what I will pay nothing more!!!! need a programmer who can create a desktop application for mac or a webpage cryptocurrency trading bot. Below are the requirements for this bot: 1. Arbitrage scanner for crypto currencies 2. Strategy tester that runs a strategy with exchange data and returns a result of how profitable a strategy would b...

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    The goal of this project is setting up a cryptocurrency exchange that would enable trading fiat currency for major cryptocurrencies(BTC,ETH,LISK,LTC,DASH,BCC,XRP,XLM) and trading altcoins for bitcoin and ETH. The exchange needs to have several payment / deposit options when trading fiat: SEPA, International Bank Wire, Visa, Mastercard and PerfectMoney. Setting up an account must include verificati...

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    I require a decentralized ethereum erc20 token exchange site. It will be simple similar functions to: [login to view URL] I need to easily add tokens and remove tokens if needed. header banner ad required. mobile friendly import private key and address to fund account with tokens and ether site to look similar style as: [login to view URL] site will be on /trade/ folder as i will create a landing...

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    We are looking for someone who will be able to teach and fork a Blockchain like Dash. Also we need a Wallet and a Block Explorer The code needs to be pushed on github step by step from the fork (initial commit) and all the modification need to be done after the fork. It can be premine and also we need an automation masternode setup

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    Create BTC Wallet 1 day left
    VERIFIED

    Project for Bing - add BTC to wallet

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    CryptoCurrency Development 1 day left
    VERIFIED

    We need to build a crypto currency website. We need to build our own cryptocurrency with trading, staking, lending, wallet features.

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    specifically looking for someone who knows how to setup a TOR website, Bitcoin payment, etc. send the links to the TOR work you have done.

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    Hello , I am looking for bitcoin trading. User can buy the bitcoin / Sell the bitcoin. similar to http://www.localbitcoin.com. this is a big website. i want a small version of this website. let me know if you have previous experience in this project

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    Create web apps blockchain in supporting Food fraud prevention in Food supply chain. Implement the Poof of work and Smart contract in order to check provenance and traceability of food.

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    need a webdesigner how is familiar with bitcoin / network scurity / hidden service

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    Ideally I am looking for solution which is already delivered in production and tested in production Hence with small new changes as per my specs and new UI it can be deployed in production See the specs with more details Do not bid without reading the specs Do not bid lower price that you are not willing to take .

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    Function: Registration – People can register and verify phone, email, DI / passport with KYC. After register system should generate a BTC wallet, a ETH wallet, and a Money wallet for each user. Deposit – User can deposit BTC / ETH from his private wallet to system wallet using our system. For money wallet deposit, we will handle it manually, user bank transfer money to us and we ma...

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    Crypto exchange platform 21h left
    VERIFIED

    Function: Registration – People can register and verify phone, email, DI / passport with KYC. After register system should generate a BTC wallet, a ETH wallet, and a Money wallet for each user. Deposit – User can deposit BTC / ETH from his private wallet to system wallet using our system. For money wallet deposit, we will handle it manually, user bank transfer money to us and we ma...

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    I need Ethereum payment Accept system. like as a [login to view URL] system. if you have any question please ask me. Thanks

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    My name is Omar Saeed. I am Senior Financial Consultant of an online B2B ecommerce platform). Our Company is in the process of Initial Coin Offering (ICO) and in that context has created the following documents: • Business & Expansion Plan • Tokenomics paper Both these together form the White-Paper for ICO Token Offerings. We need a price quote from you regarding the belo...

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