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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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    28 jobs found, pricing in USD

    hello, we looking for an dev on crypto domain for create an token on the binance chian. we are ready to hire you now.

    $128 (Avg Bid)
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    4 bids
    Crypto / Blockchain Marketing 6 days left
    VERIFIED

    **YOU MUST HAVE A GOOD KNOWLEDGE OF CRYPTOCURRENCY.** X8C’s Brand Builders drive multi-platform promotional campaigns with two primary objectives. First, is to create a vibrant and enthusiastic community of engaged followers who will act as ambassadors to help promote the project in their trading circles and evangelize to other investors. Second, is creating broad exposure across ...

    $1029 (Avg Bid)
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    Hi, i need someone who already have readymade MLM website . i need payment system to be tron. more details will be shared in dm

    $192 (Avg Bid)
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    2 bids
    BTC no KYC instant 6 days left
    VERIFIED

    Need BTC no KYC verification with instant

    $237 (Avg Bid)
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    4 bids

    I want someone who understands how bitcoins blockchains and escrow for peer to peer platform works to solve an issue I have (platform similar like paxful)

    $2493 (Avg Bid)
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    14 bids
    Build a Bitcoin wallet -- 2 5 days left
    VERIFIED

    I won't accept auto bidding, include the answer in your post 5((( Plus Six minus 1 I need a local wallet and not a third party wallet api service such coinbase I need a backend wallet system for bitcoin which includes - a interconnected wallet network - sending receiving - forwarding payment - other controllable things Languages: nodejs , expressjs

    $270 (Avg Bid)
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    5 bids
    Build a Bitcoin wallet 5 days left
    VERIFIED

    I won't accept auto bidding, include the answer in your post 5((( Plus Six minus 1 I need a local wallet and not a third party wallet api service such coinbase I need a backend wallet system for bitcoin which includes - a interconnected wallet network - sending receiving - forwarding payment - other controllable things Languages: nodejs , expressjs

    $285 (Avg Bid)
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    I won't accept auto bidding, include the answer in your post 5((( Plus Six minus 1 I need a backend wallet system for bitcoin which includes - a interconnected wallet network - sending receiving - forwarding payment - other controllable things Languages: nodejs , expressjs

    $284 (Avg Bid)
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    7 bids
    Build a Bitcoin Wallet System 5 days left
    VERIFIED

    I won't accept auto bidding, include the answer in your post 5((( Plus Six minus 1 I need a backend wallet system for bitcoin which includes - a interconnected wallet network - sending receiving - forwarding payment - other controllable things Languages: nodejs , expressjs

    $210 (Avg Bid)
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    5 bids
    Fork a blockchain project 5 days left
    VERIFIED

    We want to fork UniSwap and personalize it to our own idea. We would create a token for this and this token will be distributed to those who use our platform to swap tokens. said proof of swap

    $2246 (Avg Bid)
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    Confidential project: refresh internet pages. I need software developer with this skills: PHP, Java, c++, Cryptocurrency, Algorithm, MySQL, Bitcoin, App development Android and Apple.

    $21 / hr (Avg Bid)
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    Please make an analysis of the Slimcoin's code (see the link in attached file), with a specific attention to its Prove of Burn (PoB) mechanism. Identify all the parameters that are ruling PoB and create the function that in your opinion represents the relation of those parameters with the number of nodes (computers involved in PoB minting). Make your proposal on how the current PoB parameters...

    $146 (Avg Bid)
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    Cryptoccurrency Web wallet 3 days left
    VERIFIED

    Hello i need PHP laravel expert , my website notifier for upcoming transaction is not working.. im using JSON-RPC call to the coin NODE

    $191 (Avg Bid)
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    13 bids

    Single page web app that’s modal based. It’s a Virtual Items & Robux marketplace for the website [login to view URL] , which accepts two payment methods of PayPal & Bitcoin. You should probably be familiar with the Roblox API, if not it's fairly documented already. I’d like a modern tech stack used with it, and scalability in mind as potentially thousands of items wi...

    $7530 (Avg Bid)
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    I have an ICO token sale website that i did not publish yet and i need to market the token and the website and get "ENGAGING" users and buyers . twitter ad campagins and group publishing.

    $2763 (Avg Bid)
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    I am looking for a cryptocurrency gateway, who accept crypto deposit for online casino. It is only a gateway, so no need to payout in fiat. I want to control and manage my own wallet. If you have an alternate solution, i am also fine with this. Looking for Bitcoin, Ethereum and 3 other popular coins.

    $1323 (Avg Bid)
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    bots btc scalping in php 1 day left
    VERIFIED

    i need a php script wich Buy and sells btc 7/24 ti assure the follow parameters: stop loss: example +3usd take profit: example -2usd and a algorithm wich detects when Buy in, maybe when detect a valley. i Open to hear wich exchange or platfform can the script use to Buy and sells the btc.

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    A yield optimizer platform with valued strategies regularly uploaded on Binance smart chain, I can provide the protocol to fork

    $2808 (Avg Bid)
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    5 bids

    I have website currently.i want to build a new web with new features also some features dont work properly.i want these features work properly in new one and implment on existing data.i want to build app as same as web for [login to view URL] payment ane receipt are done via cryptocurrency.

    $9459 (Avg Bid)
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    You need to create a website with automatic currency exchange. All e-wallets and cryptocurrencies must be present . Reference website : [login to view URL]

    $543 (Avg Bid)
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    44 bids

    The project is a Blockchain Approach to Tax Administration in Nigeria. How Blockchain can aid compliance among tax payers (SMEs) Small and Medium scale Businesses. The work proposed Blockchain application Which can be test run among selected SMEs. It's expected that the proposed Blockchain solutions will cover tax collection, tax remittance. There should be options for remittance either...

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    I need someone certified by ciphertrace or a similar company to track two bitcoin transactions

    $416 (Avg Bid)
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    3 bids

    I want Hire TRon Dapp smart Contract : TRON HYIP What kind can you do? Offer work price? How many days work to finish final? Send me a sample of the website? TRON HYIP TRON INVESTMENT TRON MATRIX TRON ROI INVESTMENT PLAN Tron Token Smart Contract ex : [login to view URL] [login to view URL] [login to view URL] ++++++++++++++++++++++ What kind can you do? Offer work price? How many days work t...

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    I am looking to make a simple script where a few of my users can trade bitcoin and other crypto. You must be familiar with binance. Suggest your solution.

    $1280 (Avg Bid)
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    Cryptodevel 19 hours left

    Cryptocurrency development, smart-contract development, cryptoexchanges development

    $21 / hr (Avg Bid)
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    Hello, i am in need of a developer who can build a bitcoin mining software for me, which i can use to mine and earn bitcoin, if you can handle this, send me your offer.

    $2562 (Avg Bid)
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    5 bids
    tradingview to binance 2 hours left
    VERIFIED

    Hello dear traders i need to pick a indicator and transform to a auto bot from trading view to binance. The indicator has done and working, but not auto trading. thanks [login to view URL]

    $173 (Avg Bid)
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    3 bids

    Buscamos redactor/a para curación y creación de artículos relacionados con las cripto monedas. Deberá conocer el nicho y redactar casi a diario. Ha de saber curar y encontrar palabras clave para SEO Solo candidatos/as de lengua hispana

    $40 (Avg Bid)
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    25 bids

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