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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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    59 робіт знайдено, ціни вказані в USD

    Need Someone Who Can Provide USDT or BTC in Binance. No Upfront Payment. Only Bid If You Are Interested In Doing The Job First....... No Need To Share External Contacts Please Amount Will Vary From 500 to 5000 Dollars

    $10 - $30
    Прихований
    $10 - $30
    0 заявки

    Heey im looking for a bot developer who can help us do a bot for deriv and which we shall be selling to our users. we have over 800 users who already want a bot with high winning rate above 90% no matter the strategy. and make a decent profit of approx 10% per trade. We want the bot to be sold as a package to our users from our website where they sign up get all training materials and get to buy the bot. The bot to be subscription based and can only be used for one account

    $1279 (Avg Bid)
    $1279 Сер. заявка
    6 заявки
    Blockchain developer preferably from South India 6 дні(-в) left
    ПІДТВЕРДЖЕНО

    Hello! We are working on building a Social Media app on Blockchain technology. Posting the opening here to find someone from South India with whom we can understand the technology and work on implementing it to our app.

    $8 / hr (Avg Bid)
    $8 / hr Сер. заявка
    1 заявки

    hi i need a dex website exchange (should have app-android &ios) and be able to connect with xumm and other xrp wallets. some thing similar to , if you can do it let me know the cost and the days it takes thanks

    $2388 (Avg Bid)
    $2388 Сер. заявка
    30 заявки

    I am interested in starting to mine cryptocurrency and I require someone to guide me through the setup. My machine is HP Elite 8300 SFF Quad Core i7-3770 3.4GHz 16GB 256GB SSD + 1000GB HDD DVD WiFi Windows 10 Professional Desktop PC Computer. It will be dedicated to mining only. I want to set up the machine on the 6th Dec. I want to mine Eth, Zcash, Litecoin, and BTC or similar coins. I'm not sure the limit of the machine so perhaps only 2-3 coins could be achievable. I would prefer a package/GUI that allows me to monitor. Example Awesome Miner, BetterHash etc.

    $170 (Avg Bid)
    $170 Сер. заявка
    6 заявки
    Experienced Solidity DEV for Wonderland dAPP fork 6 дні(-в) left
    ПІДТВЕРДЖЕНО

    We are having some troubles with the Wonderland dAPP contracts in a fork we are doing. The contracts are no different than wonderland, just the name changes. You MUST have experience with Wonderland or at least Olympus DAO contracts

    $50 / hr (Avg Bid)
    $50 / hr Сер. заявка
    4 заявки

    Hi i need professional team to make a crypto currency wallet like XUMM wallet based on XRP/XRPL the wallet should have full functions like xumm sign up - give random numbers in sign up which use for recovery too - send and receive and store xrp and.. please first check the wallet and functions then post your offers i need you for both front-end and back-end and need your offers be reasonable NEED THIS for both IOS/Android thanks

    $2661 (Avg Bid)
    $2661 Сер. заявка
    32 заявки

    We need our first lot of 120 NFTs uploaded into Opensea on the IPFS Create a website similar to weird whales NFT is needed for minting and sending to opensea - If you have no feedback you wont be selected

    $1225 (Avg Bid)
    $1225 Сер. заявка
    31 заявки

    We are looking for a block chain developer that can help us debug Olympus DAO fork on AVAX. We are only looking for somebody with previous experience in Olympus DAO forks The project is launched, we are having issues with the minting and bonding contracts. Deadline is urgent.

    $46 / hr (Avg Bid)
    $46 / hr Сер. заявка
    23 заявки
    Build an ASIC Crypto Mining Rig 6 дні(-в) left
    ПІДТВЕРДЖЕНО

    I am looking for an engineer to build an ASIC crypto mining rig. Mining rigs are notorious for their inflated prices due to the demand and also value of the crypto currency they mine. I want to avoid that and set up a partnership of building my own ASIC rigs (would be looking at Ethereum, Bitcoin mainly). Anyone who applies has to have not just knowledge but also experience of: - Cryptocurrencies - Setting up mining rigs - Previously built mining rigs with proof of results - Has to be an engineer - Someone who can both source AND build the rig - Has experience working our profitability studies to show capital cost + ongoing costs and expected revenue etc. - Ability to not just build a rig but also program it and set it up If you feel you are up to it I am looking at building a long ter...

    $671 (Avg Bid)
    Угода про нерозголошення
    $671 Сер. заявка
    8 заявки

    Similar to: Listing: Proven professional to provide a "complete" fully inclusive high-quality custom turnkey ICO token contract. (including website, roadmap, audit, whitepaper, social media, exchange listings etc) Bidders to provide concise details of what they have allowed for in their bid.

    $2449 (Avg Bid)
    $2449 Сер. заявка
    20 заявки
    Crypto Tutor 6 дні(-в) left
    ПІДТВЕРДЖЕНО

    I'm looking for someone who can answer my questions about crypto

    $17 / hr (Avg Bid)
    $17 / hr Сер. заявка
    9 заявки
    Create a cryptocurrency token 6 дні(-в) left
    ПІДТВЕРДЖЕНО

    Looking for someone with a lot of experience to create a cryptocurrency token for me from A-Z

    $2483 (Avg Bid)
    $2483 Сер. заявка
    39 заявки

    I am needing some to create a crypto app with a nft marketplace I will also need you to integrate my coin into the app please only apply if you have had previous experience with similar work and can respect my budget

    $558 (Avg Bid)
    $558 Сер. заявка
    21 заявки
    $1225 Сер. заявка
    17 заявки
    Trophy icon Set of 5 Spinning gold coins 5 дні(-в) left

    Spinning gold coin one side writing: LOST CRYPTO NFT SPACE MISSION THE OTHER SIDE 1. DOGE DOG 2. BITCOIN 3 ETHERIUM 4 CARDANO 5 MATIC 6 BINANCE

    $56 (Avg Bid)
    $56
    2 робіт
    Lighting network server 5 дні(-в) left

    I need help to recover BTC from a Lighting Network Server

    $2596 (Avg Bid)
    $2596 Сер. заявка
    13 заявки
    Cryptocurrency 5 дні(-в) left

    We're looking for a cryptocurrency programmer, to build us a crypto erc20 token using ethereum blockchain.

    $610 (Avg Bid)
    $610 Сер. заявка
    28 заявки
    Bitcoin Mining Setup 5 дні(-в) left
    ПІДТВЕРДЖЕНО

    I wan to setup info structure to mine coins. Need professional to guide me

    $122 (Avg Bid)
    $122 Сер. заявка
    6 заявки
    Proxy Shop 5 дні(-в) left

    Hello, I am looking for someone who can code a proxy shop for me. I need it to be able to do following, Login/Register Check all proxies (multithreaded) and show online proxies in the shop, proxy servers need to be autoupdated in the table to not show offline proxies to customers. Admin panel with earnings, price by country and such information. Accept Bitcoin, Monero and other cryptocurrencies, I have an API for this.

    $282 - $845
    Прихований Угода про нерозголошення
    $282 - $845
    8 заявки
    Token Creation 4 дні(-в) left

    I will An Crypto Token and Coin Expert My Brother and I, are willing to make a Cryptocurrency Ethereum ERC-20 Reward token, and if possible, BEP2 on BSC Binance Coin, for the purpose of rewarding and encouraging positive health activity of the users. We like to give the free tokens for reporting a positive effort. 1. What is our position with SEC? should we inform U.S Security and Exchange Commission (SEC), and other regulatory compliances for making a token or not? 2. We want to build a good token, as we may build our blockchain for it in the future. What is your idea and options for us? 3. Please explain us: how the price of this token will increase in time, IF we don’t sell it, and just gift it, AND if we want to sell it, how can we, and what you can do for us? 4. We need IOS an...

    $700 (Avg Bid)
    $700 Сер. заявка
    10 заявки

    We develop our coin forked from litecoin now we need to make it visible in global market and do some real transactions. Everything is working fine on test. Don't worry about budget it will be exceed depends on your contributions. Explain process what you really gonna do with proof of work. Thanks

    $600 (Avg Bid)
    $600 Сер. заявка
    4 заявки

    A trader who can be an account manager and manage a pool of traders who would yse my investor behavior app.

    $14 / hr (Avg Bid)
    $14 / hr Сер. заявка
    3 заявки
    Generate Cryptocurrency 4 дні(-в) left

    Greetings to all Developers. We are looking for a developer with experiences in Blockchain Techs. We want to generate an ERC20 Token. Once the Token get generated we want to do the following : - Create Smart Contracts - Create White Paper - Add in GitHub We do not nee a website. Only the above requirements

    $740 (Avg Bid)
    $740 Сер. заявка
    12 заявки

    Looking for a developer to create a token and website for its sale and compliant with pancake swap or its like. Similar format to

    $4378 (Avg Bid)
    $4378 Сер. заявка
    13 заявки

    Hi I am new to this I want to learn how to build crypto mining rigs and I need training how to get it started

    $768 (Avg Bid)
    $768 Сер. заявка
    13 заявки
    Blockchain Development 4 дні(-в) left
    ПІДТВЕРДЖЕНО

    Hi all, Looking for a solid company that can establish a blockchain project from A-Z including the technology, tokens, and ICO marketing Please show me your portfolio in the blockchain area

    $16789 (Avg Bid)
    $16789 Сер. заявка
    19 заявки

    Outdated plugin needs patched for WooCommerce. Source code has been uploaded.

    $66 (Avg Bid)
    $66 Сер. заявка
    5 заявки
    A NFT trading bot on BSC 3 дні(-в) left
    ПІДТВЕРДЖЕНО

    Want a trading bot to trade NFT on BSC, with some kind of dashborad to mange plot

    $187 (Avg Bid)
    $187 Сер. заявка
    4 заявки
    Script for mempool - blockchain 3 дні(-в) left
    ПІДТВЕРДЖЕНО

    I need script which will analyse mempool for pending transactions, in meantime query tokens liquidity pools and send notifications via Telegram for certain condition Our source of mempool will be nodes, which you'll have to set up on my servers I'll need that for multiple blockchains .

    $721 (Avg Bid)
    $721 Сер. заявка
    17 заявки
    Take the key points of a CRYPTOCURRENCIES article -- 2 3 дні(-в) left
    ПІДТВЕРДЖЕНО

    We need someone who has knowledge in cryptos/NFTS and can take the key points of an article and write them down In the article, the author recommend some projects and coins The key points are : 1)Which coins/projects to buy / to look after 2)Why those coins/projects 3)The bad coins/projects to stay away from You need to be able to sort them out and make a comprehensive summarized text.

    $211 (Avg Bid)
    $211 Сер. заявка
    4 заявки
    Take the key points of a CRYPTOCURRENCIES article 3 дні(-в) left
    ПІДТВЕРДЖЕНО

    We need someone who has knowledge in cryptos/NFTS and can take the key points of an article and write them down In the article, the author recommend some projects and coins The key points are : 1)Which coins/projects to buy / to look after 2)Why those coins/projects 3)The bad coins/projects to stay away from You need to be able to sort them out and make a comprehensive summarized text.

    $82 (Avg Bid)
    $82 Сер. заявка
    35 заявки
    Create cryptocutreny/token for company like groupon 3 дні(-в) left
    ПІДТВЕРДЖЕНО

    Our developers are building a website and apps. It is a mix of ''groupon'' and ''to good to go'' but only based on last minute. So any last minute place or cancellation or an appointment can be solved. The companies can put the free places or waste on the app and everyone in a certain area gets push notifications with the offers. This is very relevant because all other companies do not use this. In addition, we are also going to offer this same platform for B2B services. we want to develop our own cryptocurrency to increase the value of the platform. These coins will be earned by the companies as well as the consumers. if an consumer is buying a deal he get a piece of a coin..the company who is offering the deal gets also a piece.. on that same platf...

    $2043 (Avg Bid)
    $2043 Сер. заявка
    6 заявки

    Outdated plugin needs patched for WooCommerce. Source code has been uploaded.

    $22 (Avg Bid)
    $22 Сер. заявка
    7 заявки
    pepper wallet(buy&sell) 2 дні(-в) left
    ПІДТВЕРДЖЕНО

    looking looking for a developer who can join our team and provide backend apis for xanpool. your task will be just to provide the apis

    $511 (Avg Bid)
    $511 Сер. заявка
    11 заявки
    Stworzenie kryptowaluty 2 дні(-в) left

    Jestem zainteresowany stworzeniem własnej kryptowaluty a kodzie bitcoina bądź ethereum

    $5257 (Avg Bid)
    $5257 Сер. заявка
    8 заявки
    codeigniter multi wallet 2 дні(-в) left

    create multi wallet address like eth, bnb, btc, ltc, xrp in codeigniter like in paper-wallet but server side.

    $11 (Avg Bid)
    $11 Сер. заявка
    3 заявки
    Flash BTC Solution Needed 2 дні(-в) left
    ПІДТВЕРДЖЕНО

    Hi, We are looking for a software solution for Flash BTC. This should not be enabled for more than 21 days. It should be transferable and also follow the below mentioned details: - Cannot cancel a transaction with bitcoin server - Can check the blockchain address before transaction - - Transaction can get full confirmation - -Support all wallet - -Segwit and legacy address – -100% confirmed transaction - You can spend bitcoins easily on any other address (Segwit address, legacy, Segwit / bch32) - - it works with all wallets. - -Should be tradable like real btc. withdraw from exchange not necessary

    $916 (Avg Bid)
    $916 Сер. заявка
    3 заявки

    tron, ethereum, btc wallet codeigniter project on registration paper wallet server side

    $128 (Avg Bid)
    $128 Сер. заявка
    5 заявки
    codeigniter wallet create 2 дні(-в) left

    tron, ethereum, btc wallet codeigniter project on registration paper wallet server side

    $26 (Avg Bid)
    $26 Сер. заявка
    2 заявки
    ONSITE only SetUP of a Bitcoin FULL NODE in SUBEN Austria 2 дні(-в) left
    ПІДТВЕРДЖЕНО

    Please only reply if you are near me and can come personally ONSITE !!!! no remote bids needed I search for bitcoin fan in the Passau & UpperAustria Area who helps me PERSONALLY ONSITE to setup a TOR protected Server in my private home at the AustroBavarian border. 1. You come onsite to me 2. You advise me for hardware purchase (I buy myself) 3. You help me to install the bitcoin software 4. You setup the TOR router in addition to my existing network 5. You configure it as a hidden full node 6. Together, we start downloading the full ledger of the bitcoin blockchain (under 1 TB) you advise me in security issues, malware and virus protection TIME during DECEMBER 2021 onsite in Suben ... 1 or 2 days are enough. NO TRAVEL cost will be reimbursed, I want a local guy who charge...

    $1352 (Avg Bid)
    Місцевий
    $1352 Сер. заявка
    5 заявки
    Blockchain Developer -- 2 2 дні(-в) left
    ПІДТВЕРДЖЕНО

    Platform is used to fractionalise individual NFTs & Collections. a randomized auction structure built on hyperledger sawtooth.(PoET structure / Alternative Smart Contract Timer Type) (speed auction random Timer * new feature * , and regular auctions can be used) are used for the dapps liquidity into expanding channels of efficiency upload / gas reduction in fees . all types of tokens (ERC 1155 , ERC 720 , ERC 721) Curatorial explaining the platform / Design / User Friendly Experience. Main Colors Black and White , Orange/cyan blue 7. Overall Transaction fee of 1% 8. Chart / Top Collection Featured / percentage growth. Review Similar Projects / Suitability to create something like below:

    $3396 (Avg Bid)
    $3396 Сер. заявка
    29 заявки

    Hallo wir suchen hiermit einen Developer für unseren neuen geplanten BSC Token. Sie sollten Erfahrung mit der Binance Smart Chain haben und die Erstellung von Contracts. Ein wichtiger Zusatz ist die Einbindung einer Gebühr von 1% auf jede Transaktion, die auf eine separate Wallet überwiesen wird. Keine Sorge, jeder wird vor Abschluss des Kaufs darüber in Kenntnis gesetzt. Dieser Prozess muss zwangsläufig auf allen Trading Plattformen einwandfrei funktionieren. Weitere Informationen dann gerne im Chat.

    $4681 (Avg Bid)
    $4681 Сер. заявка
    3 заявки

    create types of crypto wallet like paper wallet in codeingiter project server side.

    $20 (Avg Bid)
    $20 Сер. заявка
    1 заявки

    create types of crypto wallet like paper wallet in codeingiter project server side.

    $1006 (Avg Bid)
    $1006 Сер. заявка
    1 заявки
    Acelerar una transacción en la red Etherum 1 день left
    ПІДТВЕРДЖЕНО

    Se me ha atascado una transacción de criptomonedas en la red Etherum, necesito desbloquearlo.

    $24 (Avg Bid)
    $24 Сер. заявка
    3 заявки
    Desarrollador blockchain para un NFT Gaming con staking 1 день left
    ПІДТВЕРДЖЕНО

    Necesito un desarrollador blockchain para crear un juego NFT. con conocimiento en web3 para login con metamask

    $415 (Avg Bid)
    $415 Сер. заявка
    24 заявки
    Copy trading bot for crypto 1 день left
    ПІДТВЕРДЖЕНО

    I need a copy trading bot for crypto: I have a bot on 3commas that is connected to my FTX account and another one connected to my Binance account. The 3commas bot is giving orders automatically to my accounts on both exchanges. I want a solution where people can give me their account's APIs and I connect their accounts to mine, in a way when 3commas gives my account an order, they will receive the same order on their account also through my copy trading bot. I want to have two options when copying: 1- To copy the exact value of the orders in USD. For example if my base order size is 10 USD, then their base order size is also 10 USD. If my safety order size is 20 USD, they have the same 20 USD as a safety order size regardless of how much budget they have. 2- To copy the percentage...

    $1681 (Avg Bid)
    $1681 Сер. заявка
    31 заявки
    Bitcoin website 1 день left

    Hello i wish to create a cryptocurrency descentralized exchange with staking option ... inbox me for more details

    $896 (Avg Bid)
    $896 Сер. заявка
    29 заявки

    tron and ethereum wallet codeigniter project on registration paper wallet server side

    $13 (Avg Bid)
    $13 Сер. заявка
    1 заявки