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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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    25 Gefundene Jobs, Preise in EUR

    i want someone to exchange the coins with any sort of anything cash etc

    €252 (Avg Bid)
    €252 Gebot i.D.
    6 Angebote

    BTC EXPERIENCE REQUIRED: We currently have an unfinished mine sweeper gambling script for bitcoin. It needs to have the implementation to check if balance is deposited, and to make it possible to send payments. We do not want to use a party such as BitPay. The goal: - create a script that generates adresses from xpub - every new gamer gets a new public adress - API checking if player has deposit...

    €416 (Avg Bid)
    €416 Gebot i.D.
    14 Angebote

    You have to make a crypto-currency investment website.I have domain name & [Zur Anzeige der URL Anmelden] website should support bitcoin,litecoin,etheream,perfect money & payer deposit system. Requirements: [Zur Anzeige der URL Anmelden] website should support minimum btc,ltc & eth deposit. [Zur Anzeige der URL Anmelden] can use nulled script or free version. [Zur Anzeige der URL Anme...

    €174 (Avg Bid)
    €174 Gebot i.D.
    19 Angebote

    Hello, Everyone, If you are Cryptocurrency Expert, Don't hesitate bid to me. Thanks.

    €17 / hr (Avg Bid)
    €17 / hr Gebot i.D.
    19 Angebote

    I need a tool for CLC smart contracts or open source blockchain technology DLTs I want to register the hash on public blockchain and track shipments and keys. I want to use blockchain technology to share and validate personal documents and signatures of digital content validation. I need to ensure that it is recorded on the blockchain so that it is public and no one can change or dispute it. A...

    €249 (Avg Bid)
    €249 Gebot i.D.
    5 Angebote

    Deseo una integración para mi sistema de referidos deseo pagar todas las comisiones de mis promotores a través de BTC pero quiero hacerlo masivamente, puede ser con coinpayments, blockchain, mycellium en realidad lo que necesito es una solución que automatice los pagos a mis afiliados masivamente.

    €183 (Avg Bid)
    €183 Gebot i.D.
    13 Angebote
    Need developer with bitcoin API 5 Tage left
    VERIFIZIERT

    I am looking for freelancer who has experience in bitcoin API. English communication is must.

    €4107 (Avg Bid)
    €4107 Gebot i.D.
    20 Angebote

    site is coded igniter validate amount before clicking on the confirm button [Zur Anzeige der URL Anmelden]

    €51 (Avg Bid)
    €51 Gebot i.D.
    4 Angebote

    We are crypto currency trading firm and we are looking to develop a crytpo arbitrage and market making software for our current business. - we are looking for developers experience in developing /coding and coding also catering to clients in crypto currency field. - this is an on going project and we will be needing support after completion of project.

    €32 / hr (Avg Bid)
    €32 / hr Gebot i.D.
    25 Angebote

    I need a autorun EXE for windows to mining Monero bitcoins to my wallet adress from xmr stack

    €23 (Avg Bid)
    €23 Gebot i.D.
    1 Angebote
    Bitcoin wallet 4 Tage left

    What is it and how to use it?

    €47 / hr (Avg Bid)
    €47 / hr Gebot i.D.
    6 Angebote
    Cryptocurrency Project 4 Tage left
    VERIFIZIERT

    I need a game made in Java. It will be a game on cryptocurrency (specifically Bitcoin). The user will play to achieve profit with an initial investment, and there will be a random model to simulate the prices of bitcoin, reacting to the user's decisions to invest or sell. There will also be various events occurring (like bubbles and scams) depending on the user's riskiness when playing. ...

    €174 (Avg Bid)
    €174 Gebot i.D.
    7 Angebote

    i need someone to set up my BitPay account to my webstore. i will provide the cpanel of the web server and the BitPay account.

    €21 (Avg Bid)
    €21 Gebot i.D.
    2 Angebote

    To help with time, daily management, scheduling meetings, correspondence and note taking.

    €126 (Avg Bid)
    €126 Gebot i.D.
    9 Angebote
    Binance bot 3 Tage left

    i would like a bot like this [Zur Anzeige der URL Anmelden] place an order simply with enter the coin name and hit enter, and the bot buys at the best current price. setting other parameters such as -sell by profit target -amount of bitcoin i'm willing to buy the currency with. -sell by stop loss and / or after a time.

    €263 (Avg Bid)
    €263 Gebot i.D.
    11 Angebote

    I need to consume this product's API The Web Content Authenticity Test solution makes a complete copy of the content being viewed in your browser and generates a proven report on its existence. It is possible to register an authenticity of content published on the web, whether on websites, blogs, social media or portals. In addition, from the report generated by the plug-in, a hash is create...

    €18 (Avg Bid)
    €18 Gebot i.D.
    2 Angebote

    We need a developer who can create api ipn system for blockcypher to accept bitcoin and ethereum on our [Zur Anzeige der URL Anmelden] is to generate address for btc and eth and fetching payment with [Zur Anzeige der URL Anmelden] should be in php

    €78 (Avg Bid)
    €78 Gebot i.D.
    4 Angebote

    if you are good at scraping and btc work then lemme know I need 1-4 sites at reasonable price include basic good qualtiy seo, must be on php latest version, also need different btc address for all accounts on my website

    €18 (Avg Bid)
    €18 Gebot i.D.
    1 Angebote

    I need someone who is experienced with bitcoin trading (preferably from the UK) to guide me and help me trade BITCOIN.

    €2561 (Avg Bid)
    €2561 Gebot i.D.
    7 Angebote

    Hello. There is a hotel management app. I want to integrate Bitcoin payments into this app. Check the following URL. If you are proficient in blockchain technology and can realize Bitcoin payments, we will pay. More information will be shared through charting. [Zur Anzeige der URL Anmelden]

    €1108 (Avg Bid)
    €1108 Gebot i.D.
    19 Angebote

    I need online lessons from who is master of Bitcoin coding guru . - Creating wallet and securing them - Bitcoin mainnet transactions tracking - wallets balance tracking ( unspent BTC ) - secp256k1 - private keys - multiple signature - advanced security - NodeJS uses - Like that other details

    €228 (Avg Bid)
    €228 Gebot i.D.
    6 Angebote

    I’m looking for a proof of concept website where people can buy PDFs via bitcoin. 1. They can enter their details such as name, email, etc. 2. We show them a QR code with the bitcoin address. 3. When payment has been validated, we send them an email with the PDF. Design isn’t important. This is just a proof of concept.

    €78 (Avg Bid)
    €78 Gebot i.D.
    4 Angebote
    Ride sharing app 14 Stunden left
    VERIFIZIERT

    Looking for a dev who can developed a ride developed a ride sharing app with basic functions like Distance calculation between driver and passenger using google API Price estimation Accept & cancel rides Wallet balance

    €1366 (Avg Bid)
    €1366 Gebot i.D.
    67 Angebote

    I need a Crypto expert for my current projects. If you have knowledge please bid. Details will be shared in message with the freelancers.

    €6 - €83
    Versiegelt
    €6 - €83
    20 Angebote

    I need a Crypto expert for my current projects. If you have knowledge please bid. Details will be shared in message with the freelancers.

    €6 - €56
    Versiegelt
    €6 - €56
    13 Angebote

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