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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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    97 jobs found, pricing in NZD

    Dear all, I am in the process of developing a new blockchain based token, however, I am looking to replace the concept with a new one. *******SCOPE*********** *In need of one or multiple IDEAS for a Crypto-Token. (ideas regarding the function/functionality of the token)* The scope is very simple, we want to build a crypto-token that has the most chances of being mass-adopted by the crypto-commu...

    $787 (Avg Bid)
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    4 bids

    I want to build a real estate asset tokenization platform.

    $1688 (Avg Bid)
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    4 bids

    hello, I am looking for a crypto telegram bot based on python, scrap data from Binance market api and use it to display to my users of the bot. including push notifications features. LIST OF FEATURES price e.g btcusdt (Include ask bid low high vol change % funding rate and next funding time. charts market cap walls ( buy and sell based on Binance order books) greed index alert on coin price ( su...

    $316 (Avg Bid)
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    3 bids

    Necesitamos un project manager para trabajar preferentemente desde España. Requisitos: Nivel medio de HTML, JS y nivel alto en Solidity. Preferentemente experiencia en creación de plataformas web (presentar portfolio) Preferentemente nivel de inglés fluido, ya que estará a cargo de programadores extranjeros. We need a project manager to work preferably from Spa...

    $29444 (Avg Bid)
    Local
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    I’m looking for someone to fix issues I’m having with my Bitcoin wallet website.

    $22 / hr (Avg Bid)
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    8 bids
    WEB 3 Projects 6 days left
    VERIFIED

    Looking web 3 specialist must know how to code blockchain products and other things on Web 3!

    $504 (Avg Bid)
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    5 bids
    Excel Expert 6 days left

    looking for a professional in excel work sheet to be employed due to an up coming project in the USA and will be paid wholesomely.

    $43 / hr (Avg Bid)
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    35 bids
    Help Building an ERC-20 Token 6 days left
    VERIFIED

    I lead a team of software engineers and am looking to launch a DeFi token project. I need someone who can answer some questions and give some pitfall-avoidance guidance to me so that we can get this launched quickly. I have already gone through some ERC20 crash courses and have a project that we are looking to mirror. (Please have a PhD in Tokenomics)

    min $70 / hr
    min $70 / hr
    0 bids
    Simple Dogecoin Gambling 6 days left
    VERIFIED

    Simple gambling mini games for dogecoin

    $210 (Avg Bid)
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    4 bids

    Dear Developers, Please read the description before placing a bid. I am looking for a blockchain developer who can create a simple version of a game project that will be developed in full later. I need to create the simple version of the game with a very limited budget so please dont bid if you will ask for 1000s of dollars. The project will look like this page. ery simple 1 Page project [logi...

    $1256 (Avg Bid)
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    Hello There, We are looking for some developer to develop a bitcoin client, with the feature to send fake transactions to the chain. All we need is for the transaction to be shown in the wallet and transferable, obviously we don't expect them to ever get confirmed! Required: - Amount field - Bitcoin address field.

    $2541 (Avg Bid)
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    I am currently looking to build a defi coin on the etherium network . What will bw the price?

    $2360 (Avg Bid)
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    5 bids

    We are looking for a developer who has in past integrated applications with Logistics companies such as bluedart, USPS, UPS and several other shipping companies. You need to provide us a mechanism to be able to track shipment if we have the AWB number from that specific carrier. More importantly, this may not be our shipment, and it may be of our customers, so we need a mechanism to get us authe...

    $652 (Avg Bid)
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    * We will have to manually change the pictures in unelmacoin/share/pixmaps. * We will need change the checkpoints in unelmacoin/src/chainparams.cpp. * We will need to add a seed node and add it to src/[login to view URL] as well. * Currently all seeds are getting disabled.

    $42 (Avg Bid)
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    Need help with the payment gateway for selling products from my Delphi application

    $165 (Avg Bid)
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    4 bids

    Hello, I would like someone who is confident in cryptocurrencies I'm starting investing in ETH , and need someone who can be remunerative for me , if you can contact me

    $899 (Avg Bid)
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    8 bids

    For this project you need to be an expert level C and Java programmer, blockchain developer in the NFT space (DeFi, Binance, 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’re preparing to launch (now in Beta)...

    $1352 (Avg Bid)
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    yieldfarms 5 days left

    Create one yieldfarms site. e.g. [login to view URL]

    $5599 (Avg Bid)
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    2 bids
    p2p bitcoin exchange website 5 days left
    VERIFIED

    P2P Exchanges make Buyers find Sellers. Its like a Classified ads site, but only for bitcoins. These are individuals trading back and forth with other individuals. Essentially, the sellers are setting their own price and what types of payments they will accept. Many accept PayPal, Bank Transfers, Credit Cards and even cold, hard cash. All payments are handled OFF site. Users only have the option ...

    $1677 (Avg Bid)
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    Hello, We looking for to hire an person who chat and speack english, for write and prepare some announcement on social network in english language. You need to know crypto currency domaine and have an very good english. Your job will be to write good text for our announcement on social network. Thx you.

    $36 / hr (Avg Bid)
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    ALARANIWAOO!! we are looking for the token contract, we're looking at creating an ecosystem similar to Uranium. It's two tokens, an AMM, and a bridge from token A to token B. Also including the general yield-farming structure. We are also looking at adding vaults for auto-compounding features. The NFTs would be much later down the road. plz don't waste my time, if you know you ca...

    $3001 (Avg Bid)
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    Can you do IEEE projects on Blockchain using Smart Contract and Supply Chain?

    $6999 (Avg Bid)
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    1 bids
    smart Contract 5 days left

    Can you do IEEE projects on Blockchain using Smart Contract and Supply Chain?

    $6999 (Avg Bid)
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    1 bids

    I need a new website. I need you to design and build it.

    $603 (Avg Bid)
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    11 bids

    Need to demonstrate an actual bitcoin miner software that can mine actual bitcoin. 1. User will specific their private key for payment. 2. Software will load nonce guesses from a csv file. 3. If nonce guess is correct, user should receive the actual bitcoin reward. Developer who can successfully complete and demonstrate this project will be offered future bitcoin projects for an actual large sca...

    $913 (Avg Bid)
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    Blockchain Developing skills 5 days left
    VERIFIED

    Hello, I am mechanical engineering student and I have entered the crypto world recently. I am looking for someone who can teach me blockchain developing and how to create a token and Dapp from A to Z : * Blockchain coin forking, Smart Contract for DApp * Cryptocurrency Exchange System, DeFi, * Wallet for web and mobile * FIX (Financial Information eXchange) Only patient professional with reason...

    $77 (Avg Bid)
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    Bitcoin mining help 4 days left
    VERIFIED

    I need help with someone to mine Bitcoin

    $1242 (Avg Bid)
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    Hello, We looking for an senior developer who know and work with smart contract on binance smart chain ( bcs ). We will create some smart contract and manage transactions. We can hire you on full time ( monday to friday ) and we can hire you right now. Thank you.

    $20 / hr (Avg Bid)
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    9 bids
    Cardano NFT project 4 days left
    VERIFIED

    We are developing an NFT series on Cardano. We are looking for an experienced dev who is passionate about Cardano and understands the current, pre-smart contract minting process. We have the concept and art finished, just looking a partner to help with the tech.

    $1260 (Avg Bid)
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    5 bids

    We require a usable, trade-able and new Cryptocurrency coin created this will be from scratch so will to go back and forth to talk about the in and out requirements etc

    $392 (Avg Bid)
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    5 bids

    My project is to create a platform in order to exchange cryptocurrencies quickly, securely with any devises.

    $402 (Avg Bid)
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    3 bids

    I would like to find someone who has expertise in cryptocurrencies. Someone who is confident in coindbase and binance.

    $19 - $39
    $19 - $39
    0 bids
    Trophy icon A Contest For Ideas. 8 days left

    **************READ BEFORE YOU BIDDDDDDDD!!!!!!!!!!!!!!!! IDEAS NOT DESIGN!!!!!!!!!!!! THIS IS NOT A DESIGN CONTEST!!!!!!!!!!!!!!!!!!! ITS A CONTEST FOR IDEAS!!!!!!!!!!!!!!!!!!!!!!!!!!!!******************************** GENERAL INFO: I am in the process of building a blockchain-based token. SCOPE OF THE PROJECT: I need one or multiple IDEAS for a crypto-token. My scope is very simple, I want to...

    $155 (Avg Bid)
    Guaranteed Sealed
    $155
    2 entries
    Start a cryptocurrency 4 days left
    VERIFIED

    I want to start my own cryptocurrency using the same infrastructure as bitcoin. The only difference is that I want to be able to be able to set the length (difficulty) of the code the computers have to mine and be able to change it. So if its set to 100 characters its 100 length - but I should be able to change how long the length is aswell by an override which updates everyones. I also need my o...

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    Pancake frontend developer. 4 days left
    VERIFIED

    Our team is forking pancake. To speed up, we are in agreement with adding one more frontend developer. If you have some experience in pancake forking , feel free to apply. Thanks.

    $20 / hr (Avg Bid)
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    Hi, The goal here is that a working crypto trading bot is delivered that works on one of these exchanges: Bitfinex, FTX, Binance. The bot will work through the API of these exchanges. Every trade will be placed in a Telegram group. We are able to choose between strategies or we can choose multiple indicators (we need help with making this as profitable as possible). Every trade has a 'plan...

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    The mining pool is generating blocks, but is not paying out automatic rewards to miners We need an experienced blockchain dev to amend our existing mining pool code - experienced blockchain dev - experience with Mining Pools, JavaScript, node.js - Codebase: DASH + algo KawPow *** We need someone who can start right away, and fix it fast! ***

    $1040 (Avg Bid)
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    Full details will be given to the winning bidder but basically you will be given a document of 4000000 addresses and you will find a way to get the pubkey for each and have it formatted as: x= y=

    $540 (Avg Bid)
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    Hello i want to start a mlm business in tron coin . For that i need a tron smart contract and a dapp website i want tron / eth or Binance Smart Chain, would be great if finance smart chain is possible!

    $1179 (Avg Bid)
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    15 bids

    my Bitcoin payment gateways to receive all payment directly to my electrum wallet and set up automatic withdrawals with pay to many options in bulk payment from my system to electrum when user request to exchange bitcoin!

    $28 (Avg Bid)
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    1 bids

    Looking for a FULLSTACK developer with experience with the BINANCE API. I don`t know which technology is best, but probably PHP or Python. I want a cryptocurrency buy/sell order sender for multiple connected client accounts. All of them on Binance API. Only spot trading. All orders are market orders. I need to be able to choose my portfolio (which coins will be part and percentage of the accoun...

    $2110 (Avg Bid)
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    14 bids
    Write some Articles 3 days left
    VERIFIED

    I need 4-5 "min read" article regarding cryptocurrency Vertcoin In the attached file there are some points to use and related links. I need something like an interesting, witty "story" easy to remember for a long time.

    $83 (Avg Bid)
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    36 bids
    Invest. Ethereum 3 days left

    Dear, I'm thinking to start an investment in cryptocurrency. So i will need someone who can bring me ethereum this days. if you're interesting please contact me asap. Thank you

    $939 (Avg Bid)
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    WE APPRECIATE IF YOU READ BEST BEFORE YOU BID. OUR BUDGET IS FIXED. AND IF WE DEAL WITH A PROFESSIONAL THIS PROJECT SHOULD BE READY IN 30 MINUTES!!! ITS PURELY CONSULTANCY, ADVICE We are in the process of assessing the feasibility of building a crypto-token. This token shall have a few basic functions. We need consultancy and advice on what framework best suites our desired functionality. Thi...

    $248 (Avg Bid)
    Featured
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    5 bids
    SMART CONTRACT 3 days left

    Checking a smart contract for Yield Farming project!

    $323 (Avg Bid)
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    I am looking for a blockchain developer who is experienced with Bitcoin and C++. It will be the ongoing job (more than 1 year) if it goes well. Need to make some changes in existing blockchain that was created by forking Bitcoin. Need to start ASAP. Will share the details to the shortlisted candidates.

    $1726 (Avg Bid)
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    Software for bitcoin flashing 3 days left
    VERIFIED

    Mobile app project description BLOCKCHAIN BITCOIN FLASHING SOFTWARE REQUIREMENTS; I am looking for a developer who can develop BITCOIN 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 uploa...

    $1170 (Avg Bid)
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    NFT Marketplace Website 3 days left
    VERIFIED

    looking expert only for NFT Marketplace Website. let discuss over chat

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    Looking for a Blockchain Developer to help build a project based on blockchain and eth.

    $65 / hr (Avg Bid)
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    18 bids

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