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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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    30 trabajados encontrados, precios en USD

    I need a script that can convert Credit/Debit Cards to Bitcoin or any other Cryptocurrencies instantly for a site that I'm currently working on.

    $221 (Avg Bid)
    $221 Oferta Promedio
    5 ofertas

    I need an arbitrage TELEGRAM bot just the bot interface not the arbitrage software I already have the software a full example is below [iniciar sesión para ver URL] Telegram interface should accept BTC / LTC / ETH. The most important part is you deploying the bot for me and showing me how it will work with how you have designed it.

    $160 (Avg Bid)
    $160 Oferta Promedio
    5 ofertas

    I need some Facebook/Instagram specialist which is able to run ads for my bitcoin service.

    $1069 (Avg Bid)
    $1069 Oferta Promedio
    28 ofertas

    Hello, This is not for a dapp based blockchain network and crypto coin development but for a private network and private coin. We need a blockchain platform for a testing purpose. It goes like as below.( we welcome any developer who wants to test his/her technical experiments in our testing project) 1. One website with only 2 pages which is almost empty(because this is all for the testing pur...

    $532 (Avg Bid)
    $532 Oferta Promedio
    12 ofertas
    Blockchain Dapp Development 5 días left
    VERIFICADO

    I would like to create a dapp using Neblio Blockchain testnet to do this, please let me know proposals or any Dapp projects you have worked on in the past.

    $36 / hr (Avg Bid)
    $36 / hr Oferta Promedio
    34 ofertas

    Development of the parts of coin explorer that allows users to insert information on the databases. Master degree would be a plus Strong Experience with: Server security Database design Rest API PHP frameworks (Laravel / Lumen)

    $44 / hr (Avg Bid)
    $44 / hr Oferta Promedio
    6 ofertas

    The aim of this task is not to cause any damage, rather demonstrate that 51% technique can be carried out on low hashing coins. The project involves carrying out a 51% technique on PoW. The URL below is exactly what to be done for this task and instructs how to carry out a 51% technique successfully. [iniciar sesión para ver URL] Your job will be; 1. Go through the URL and understand ...

    $44 (Avg Bid)
    $44 Oferta Promedio
    2 ofertas

    I need a professional blockchain developer who can work with us on our blockchain based project/application, you must have a good LinkedIn profile. Any alumni of Stanford or havard University is preferred or a great work experience in company like IBM or so on is preferred.

    $677 (Avg Bid)
    $677 Oferta Promedio
    3 ofertas

    i want to hire web and cryptocurrency expert.

    $529 (Avg Bid)
    $529 Oferta Promedio
    9 ofertas

    we want to create a website like [iniciar sesión para ver URL] and [iniciar sesión para ver URL] but we will add more things on this website

    $1724 (Avg Bid)
    $1724 Oferta Promedio
    24 ofertas

    Manage the entire Bitcoin Campaign, more details over chat.

    $441 (Avg Bid)
    $441 Oferta Promedio
    6 ofertas
    Blockchain Security 51% Technique 4 días left
    VERIFICADO

    The aim of this task is not to cause any damage, rather demonstrate that 51% technique can be carried out on low hashing coins. The project involves carrying out a 51% technique on PoW. The URL below instructs how to carry out the this technique successfully. [iniciar sesión para ver URL] Your job will be; 1. Go through the url and understand what is expected. 2. Choose a low hashing...

    $26 (Avg Bid)
    $26 Oferta Promedio
    4 ofertas

    Existing Ruby on rails virtual currency web application needs customisation to incorporate bitcoin and and ethereum wallet capabilities for users.

    $160 (Avg Bid)
    $160 Oferta Promedio
    5 ofertas

    this is a system using a simples strategy to buy and sell using charts for Deribit it is just a hammer wich needs to open below a MA to buy and above a MA to sell you need to understand basics of trading to code this. For someone wich understands the basics the description above is clear you need to know if deribit is working well these days. If there are NOT problems with their API. I need to ...

    $370 (Avg Bid)
    $370 Oferta Promedio
    5 ofertas
    CryptoCurrency ATM Software 3 días left
    VERIFICADO

    Cryptocurrency ATM Software The software will run on Windows OS. ATM Process : Customer Select KYC Level Select Coin Confirm Price Insert cash Show QR for transfer Confirm Transaction Backend of ATM Once User confirms the transaction it will execute the trade from USD from available balance of Crypto Exchange account using Exchange provided API. The system should require the manual authoriza...

    $4135 (Avg Bid)
    $4135 Oferta Promedio
    26 ofertas

    Professional look of Dex like:- [iniciar sesión para ver URL] All token support of Eth and neo BlockChain Example of exchange :- [iniciar sesión para ver URL] [iniciar sesión para ver URL] [iniciar sesión para ver URL] Let me know if you can help

    $5975 (Avg Bid)
    $5975 Oferta Promedio
    3 ofertas

    Looking for a ready-made site. Please let me know. if you Have

    $16093 (Avg Bid)
    $16093 Oferta Promedio
    73 ofertas

    Before placing your bid read my project details carefully, Any non-related proposals will be ignored. We have an MLM custom coded script in code-igniter. We are already using coin payments as the payment gateway for incoming and outgoing payments, but the problem is coin payments do not allow MLM companies and can be blocked at any moment. So we ended up looking forward to implementing our bitcoin...

    $234 (Avg Bid)
    $234 Oferta Promedio
    10 ofertas
    Switching a testnet to mainnet 2 días left
    VERIFICADO

    We are running our blockchain on testnet and we are ready to make the switch into mainnet. We are looking for blockchain developers which can help us to make the switch and test it to see if all works well. The blockchain is bitcoin based and integrated with masternodes.

    $1213 (Avg Bid)
    $1213 Oferta Promedio
    22 ofertas

    Hello. i need verified acc on xchange site my info is rejecting with no reason. so i need a guy who are expert in this More info will share via chat Thanks

    $123 (Avg Bid)
    $123 Oferta Promedio
    4 ofertas

    Need a software which can generate unconfirmed Bitcoin transaction without having any Bitcoins in the wallet. Needs to appear to send bitcoins

    $513 (Avg Bid)
    $513 Oferta Promedio
    9 ofertas

    I need a professional blockchain developer who can develop blockchain based apps (DAPPs) ....

    $267 (Avg Bid)
    $267 Oferta Promedio
    7 ofertas

    Need a software which can generate unconfirmed Bitcoin transaction without having any Bitcoins in the wallet

    $473 (Avg Bid)
    $473 Oferta Promedio
    6 ofertas

    Basic altcoin exchange project to introduce potential investors.

    $156 (Avg Bid)
    $156 Oferta Promedio
    10 ofertas

    I already have a bot. I need a website that must have the following: +User sign-up +Ability to deposit Ethereum and withdraw Ethereum at a 1.5% fee +Ability to send Ethereum to the bot (this will be in a different ETH wallet that will be used in the arbitrage bot managed manually by myself) and sending the Ethereum will lock it for 35 days while the finds accrue 1.25% daily interest calculated...

    $247 (Avg Bid)
    $247 Oferta Promedio
    11 ofertas

    This website will have: - Game (game + relevant Admin Panel data) - Deposit and withdraw (Bitcoin/VGO + Welcome Bonus) - Affiliates (Invite friends for % of commission with affiliate code/link) - Level up (levels up the user and rewards user with free coins) - Chat (including moderators) + extra Message me for more information including images and designs in PSD and .jpg

    $2276 (Avg Bid)
    $2276 Oferta Promedio
    28 ofertas

    I want to make a script to be able to backtest the profits of buying a basket of cryptocurrencies or index. You must be able to choose start date and end of the backtest, choose between independent currencies or an index such as the top 10 (per marketcap) top 30, top 50, top 100 .... that includes coins that enter and leave the index daily. It must be possible to enter and take into account the e...

    $474 (Avg Bid)
    $474 Oferta Promedio
    7 ofertas

    I need you to design and build it. an fully functional and ready to use arbitrage software and development and just like hassonline I don't have any kind of API and nothing and this bit is not for personal I want to use this as like a business

    $113 (Avg Bid)
    $113 Oferta Promedio
    2 ofertas

    hello We are looking for an experienced content writer for a global cryptocurrency exchange website and its application that has vast knowledge about cryptocurrency and its exchange and can communicate well the same. Must be able to provide original and unique content in the required frame of time A writer who is up to date with the current market trends and knows in and out of what's happe...

    $110 (Avg Bid)
    $110 Oferta Promedio
    15 ofertas

    Looking for Yo!kart multi vendor marketplace script. Bid only if you have the script Script should have crypto payments enabled, bitcoin , Ltc and electroneum instant payments South African payment gateway Escrow service for all payments please read carefully and only respond if you have the Yo!kart multi vendor marketplace script

    $368 (Avg Bid)
    $368 Oferta Promedio
    6 ofertas

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