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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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    66 jobs found, pricing in AUD

    This is what i want to do Idea 1 - Build Smaller coin - Website - This coin will be to raise capital for the main idea, this coin will have some of the features but none of the messaging, it will be for building low cost housing. The coin we will try not too pump and dump , but this will be used to create the fund of 10-15k for the main project . Main project Main Coin Website Idea Mar...

    $16 / hr (Avg Bid)
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    1 bids

    CONSULTANCY SERVICES ONLY!!!! Dear freelancers, I have 3 key questions I need an answer for. Or better said I need to double-check with an expert the answers I already have. These are regarding a future cryto-token. This is a less then 10 minutes. I need to speak to a certified specialist in #cryptocurrency #blockchain #btc #erc20 #ethereum.

    $449 (Avg Bid)
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    1 bids

    I need a relationship manager who could network with crypto traders or depend on their existing network of traders who could be introduced to the project [login to view URL] introduction an explanation of my product and app will be given. Ensure those leads are qualified: Parameters for qualification Number of years known to the relationship manager. Number of investors handled by the trader. T...

    $328 - $984
    $328 - $984
    0 bids

    Hi there I need someone to recreate an existing smart contract base on the Binance smart chain. A simple project just don't have the time for it. Looking to get done asap. Would need your help with the code and deploying it to the Binance smart chain. Please only apply if you have the skill to get it done asap.

    $550 (Avg Bid)
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    14 bids

    Build a algorithmic bitcoin trading bot in python using Binance Demo API

    $429 (Avg Bid)
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    5 bids

    Looking for someone for KYC verification on trading crypto. I will pay generously each month or upfront for the year and pay all your taxes as well.

    $682 (Avg Bid)
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    5 bids

    Only serious people - donot waste my time. 1- How to link addresses offline to liquidty provider example binance. 2- how to make automatic hot wallet with draw if assets are on liquidty provider - is there any institutional account or what ? Alot of consultants in other topics too.

    $28 / hr (Avg Bid)
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    4 bids

    I want to make crypto wallet app like wazir x, coinswitch, zebpay functions will be same!

    $1587 (Avg Bid)
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    3 bids
    cryptocurrency 5 days left

    I am looking to create a cryptocurrency and integrate it into a web page as a payment gateway from Fiat currencies, could you give me a quote and explain?

    $771 (Avg Bid)
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    5 bids
    Blockchain Agency 5 days left
    VERIFIED

    I am looking for an experienced blockchain agency to work on projects. You will be working for me and with my clients. You: - Must have a track record of successful blockchain projects. - Must be a believer in the merits of Test Driven Development. - Must be able to write and speak in English, clearly and fluently. - Must be fluent with git. - Must be willing to sign an NDA (at a later stage in ...

    $30 / hr (Avg Bid)
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    21 bids

    Build a algorithmic bitcoin trading bot in python using Binance API

    $437 (Avg Bid)
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    19 bids

    looking for cryptocurrency telegram community mod/marketer to interact with community and help on the growth of our token! need to work at least 4-6 hrs the day got a reddit (1 yr old account at least) tiktok and do a daily post about our coin

    $16 / hr (Avg Bid)
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    7 bids

    Sample is at [login to view URL]

    $3784 (Avg Bid)
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    30 bids

    I am looking for a developer who can develop Blockchain BITCOIN & ETHEREUM Flashing software. With this software I will be able to do the following; 1. Should be able to work and upload with a bitcoin wallet having zero current balance. 2. Any uploaded bitcoins should be transferable up to five wallets (wallet to wallet). 3. The uploaded bitcoins should be able to remain visible in any wall...

    $3861 (Avg Bid)
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    10 bids

    hot fresh verified forex leads from Germany 500K FOR 90USD. sample attached

    $781 (Avg Bid)
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    3 bids

    hi dear i need a crypto p2p full exchange script Please send bid only if you have the script ready

    $2520 (Avg Bid)
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    15 bids

    We want to build our self wallet like a Trustwallet (store keys on the server). Our UI is OK. API is restful. Please send your works and bids.

    $67 / hr (Avg Bid)
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    17 bids

    Blockchain - Automate deposits & link with IFX exchange wallets, max 20 pages. Similar to [login to view URL] . Need someone with full experience with Crypto (END-TO-END) without excuses. Milestone will not be released until project is competed upto expectations. Price in AUD only. Needs to be on WordPress using Elementor Builder.

    $2957 (Avg Bid)
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    46 bids

    My bitcoin payment is returning payments as refund

    $33 (Avg Bid)
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    3 bids

    HI... The idea is to create a Cryptocurrency that can only be mined by cellphone using the phone number as a personal ID... You need to send me estimates and timeframes, Start your proposal with "I have experience with Cryptocurrency and blockchain"

    $817 (Avg Bid)
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    13 bids

    TradeLayer is an exciting decentralized finance protocol that is implemented as an alternative client for Bitcoin and Litecoin. We have two C++ developers on the team and we need a pro to help us sort out the code of a departed teammate who is a math academic. We have a clearing algorithm for decentralized derivatives and the code is a mess. We need help refactoring it and then moving into a fas...

    $348 (Avg Bid)
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    3 bids

    I am looking for a Bitconnect script with the following features 1) Altcoin Web Wallet 2) Lending 3) Peer to peer Internal Exchange BTC - Altcoin 4) Referral Bonus - 3 Levels 5) Activating Registration by paying a nominal fee. Note: Please bid on the project if you have the readymade script with complete source code with you

    $1050 (Avg Bid)
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    5 bids

    Hi I need a developer who can create a cryptocurrency Token staking/yield farming reward system when users freeze/stake my tron smart contract tokens. They get a daily reward of 1% per day reward in the form of new Tokens. Project must have referral link system. Please make sure you have atleast 3 yeild farming projects you have created to show me for me to consider you for the job.

    $1056 (Avg Bid)
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    5 bids

    Startup investment platform in need of a freelancer to develop an in-house cryptocurrency. Must be able to integrate a growth mechanism into this cryptocurrency based on multiple inputs. Willing to offer payment, position and/or stake in the company upon conversation with freelancer and satisfactory work. NDA required prior to work being done or payment.

    $475 (Avg Bid)
    NDA
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    4 bids

    You can take an example the page [login to view URL] PTC system Listing system Referral system

    $1715 (Avg Bid)
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    14 bids

    TradeLayer is an exciting decentralized finance protocol that is implemented as an alternative client for Bitcoin and Litecoin. We have two C++ developers on the team and we need a pro to help us sort out the code of a departed teammate who is a math academic. We have a clearing algorithm for decentralized derivatives and the code is a mess. We need help refactoring it and then moving into a fas...

    $188 (Avg Bid)
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    5 bids
    product sourcing 4 days left

    Hello freelancer, we are just starting up in the e-commerce business and planing a medium cryptocurrency mining farm in Georgia. We searching especially for Cat supplies like: - Cat fountains - Scratch cardboard - Cardboard boxes Also we need a custom logo branding on all our products. We are concentrate in the beginning on selling our products in Europe. At the early stages of our project, ...

    $42 / hr (Avg Bid)
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    5 bids

    TradeLayer is an exciting decentralized finance protocol that is implemented as an alternative client for Bitcoin and Litecoin. We have two C++ developers on the team and we need a pro to help us sort out the code of a departed teammate who is a math academic. We have a clearing algorithm for decentralized derivatives and the code is a mess. We need help refactoring it and then moving into a fas...

    $265 (Avg Bid)
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    2 bids

    Dear researchers i am looking for a creative researcher who can give me a list of DEFI Blockchain products and services lists of features and how every feature works exactly.. thanks and regards Mohammed Al-Jefairi

    $2035 (Avg Bid)
    Featured
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    7 bids

    Hello everyone! I am looking for good someone who are familiar with crypto currency and has good experience in this part. Actually you can help me to build perfect currency project. If you are good position, I will go together for a long time.

    $18 / hr (Avg Bid)
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    11 bids

    Hi I need a developer to make modifications on a GitHub open source Ethereum Smart Contract (its coded in solidity of course)... More discussions & details in private... Thanks for looking :)

    $468 (Avg Bid)
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    25 bids

    Build Ico website For Eth Token

    $6507 (Avg Bid)
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    9 bids

    Hi, I am looking for a team of professional Blockchain developers who can help me develop my own Crypto token or coin, Crypto Exchange, and Payment gateway. It should be a white label exchange and trading platform. I would love to talk to someone who has ready-made solutions and can show me demos. Basically, I am looking for a turn-key solution. If you are a professional Crypto/Blockchain devel...

    $14443 (Avg Bid)
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    15 bids

    I need blockchain nft developer

    $409 (Avg Bid)
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    6 bids

    I need someone who can create/fork a coin and develop P2P Exchange similar to Paxful. P2P exchanges offer an escrow service to protect both sellers and buyers until the payment is done. For example, when you start a trade to buy Bitcoin, the P2P exchange will hold the seller's bitcoin in an escrow. And only release the bitcoin to your wallet once the seller confirms payment is received.

    $2501 (Avg Bid)
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    Hello, my english is not the greatest so i try to explain the best i can. There are Launchpads on some Sites where i want to participate. They usally have a Maximum Contribution which is around 0.5-1 BNB each Wallet, and you also need to be fast because some of the Presales are sold out in around 5 Seconds. What I exactly want now is: I want to have a option to participate with around 10-...

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    14 bids

    I need someone who can build me Build a 2000-2500MH/s Cryptocurrency miner I’m based I London just give me a call +44 7368 390775 Alex

    $1361 - $2722
    $1361 - $2722
    0 bids

    The first Blockchain is Decentralized and it’s for my platforms Crypto Coin and The second Blockchain is Centralized Hosting for my platform anyone who can do this should contact me. So, speaking of payment. I require 100% completion of BOTH projects....BEFORE any payment. We need to fully check both, and assess the completed work to our satisfaction. Not that this is you, but I’ve be...

    $737 (Avg Bid)
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    7 bids
    erc20 token update error 3 days left
    VERIFIED

    Error Unable generate contract bytecode and abi looking for friends who can solve this error, I'm against high prices

    $39 (Avg Bid)
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    4 bids

    Hi there! Our company is Luna PR (check us out on [login to view URL]) and we are urgently seeking crypto-specific native English article writers for a number of our client projects. We will be paying attractively for quality work so if you are an experienced English writer with advanced [Removed by Freelancer.com Admin for offsiting - please see Section 13 of our Terms and Conditions]

    $130 (Avg Bid)
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    28 bids

    BLOCKCHAIN and CRYPTO NFT DEVELOPMENT For this project you need to be an experienced C and Java programmer, blockchain developer in the NFT space (DeFi, ADA, AVA, Ethereum 2.0 etc.), technical aptitude and a minimum of two Android mobile phones to test and run the app which is the basis for this project, as it both creates art works and saves or sends encrypted messages as artistic images We...

    $2443 (Avg Bid)
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    i need a nodejs developer who has experience in using kucoin API. i want to create JS based frontend which has "lite" kucoin market trading functionality. simple market trade (buy/sell) functionality for first milestone. # only apply if u have kucoin api experience/references

    $247 (Avg Bid)
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    12 bids

    I need a very simple wbsite which will a simple shop - home page - products = products1 =products2 - how to pay -reviews I couldmake the site myself but i do not have the time. No javascript asit will need to be able to run on the tor network. An electrum walletwill be used and the developer will need to be ableto generate the unique BTC addresses and will also need to be able to generate the...

    $100 (Avg Bid)
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    2 bids

    I need a very simple wbsite which will a simple shop - home page - products = products1 =products2 - how to pay -reviews I couldmake the site myself but i do not have the time. No javascript asit will need to be able to run on the tor network. An electrum walletwill be used and the developer will need to be ableto generate the unique BTC addresses and will also need to be able to generate the...

    $331 (Avg Bid)
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    27 bids

    Hello, we have already a basic website with all the information about our project online. But we need a website programmed where the people can buy the tokens when we start our ICO. Its important that when the people get part of the pre-sale and buy our tokens it's all automatized and the people get their tokens send to their wallet. We have already created the token. It's a TR20 Token.

    $2027 (Avg Bid)
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    32 bids

    Hey, guys, I need freelancer to help my start-up business with blockchain technology. Please apply on my project If you have experience in this field. It would be great if you have already developed any site/app. Good luck

    $1950 (Avg Bid)
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    Hello. I'm looking for develop who can develop site like https://nbatopshot.com. If you know about BSC and NFT well, Please bid right now.

    $4782 (Avg Bid)
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    22 bids

    I am looking for someone who can mine Bitcoin or knows how to recover Bitcoin.

    $2578 (Avg Bid)
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    16 bids

    We want to hire a blockchain developer with experience working on Ethereum based projects. We require a competitive quotation to create and supply the code required to launch a design based NFT marketplace. Front end not necessary. More can be disclosed upon meeting. NDA signing required.

    $1280 (Avg Bid)
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    22 bids

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