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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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    Build an ASIC Crypto Mining Rig 6 ditë left
    VERIFIKUAR

    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...

    €660 (Avg Bid)
    €660 Oferta mesatare
    1 ofertat

    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.

    €2182 (Avg Bid)
    €2182 Oferta mesatare
    14 ofertat
    Crypto Tutor 6 ditë left
    VERIFIKUAR

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

    €15 / hr (Avg Bid)
    €15 / hr Oferta mesatare
    8 ofertat
    Create a cryptocurrency token 6 ditë left
    VERIFIKUAR

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

    €2171 (Avg Bid)
    €2171 Oferta mesatare
    35 ofertat

    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

    €491 (Avg Bid)
    €491 Oferta mesatare
    21 ofertat
    €1079 Oferta mesatare
    17 ofertat

    want someone buy virtual credit card for me charged 50$

    €106 (Avg Bid)
    €106 Oferta mesatare
    4 ofertat
    Trophy icon Set of 5 Spinning gold coins 6 ditë 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

    €49 (Avg Bid)
    €49
    1 kandidaturat

    I need help to recover BTC from a Lighting Network Server

    €2286 (Avg Bid)
    €2286 Oferta mesatare
    13 ofertat

    Hello, I'm Johan from the Netherlands and I'm looking for a developer to built me a bitcoin DCA (dollar cost average) website. The basic idea is to have exactly an dutch / euro version of www.dcabtc.com. Starting points: - Built in Visual Studio Code - React.JS app - Fetching historical data from CoinGecko api - Euro valuta - based - Translatable to dutch language (I'll translate the necessary text to dutch) - Easy add'ble compare assets

    €201 (Avg Bid)
    €201 Oferta mesatare
    19 ofertat
    Cryptocurrency 6 ditë left

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

    €536 (Avg Bid)
    €536 Oferta mesatare
    27 ofertat
    Bitcoin Mining Setup 5 ditë left
    VERIFIKUAR

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

    €107 (Avg Bid)
    €107 Oferta mesatare
    6 ofertat
    Proxy Shop 5 ditë 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.

    €248 - €744
    I vulosur MRS
    €248 - €744
    8 ofertat
    Token Creation 5 ditë 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...

    €660 (Avg Bid)
    €660 Oferta mesatare
    8 ofertat

    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

    €528 (Avg Bid)
    €528 Oferta mesatare
    4 ofertat

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

    €12 / hr (Avg Bid)
    €12 / hr Oferta mesatare
    3 ofertat

    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

    €690 (Avg Bid)
    €690 Oferta mesatare
    10 ofertat

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

    €3855 (Avg Bid)
    €3855 Oferta mesatare
    13 ofertat

    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

    €676 (Avg Bid)
    €676 Oferta mesatare
    13 ofertat
    Blockchain Development 4 ditë left
    VERIFIKUAR

    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

    €14785 (Avg Bid)
    €14785 Oferta mesatare
    19 ofertat

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

    €58 (Avg Bid)
    €58 Oferta mesatare
    5 ofertat
    A NFT trading bot on BSC 4 ditë left
    VERIFIKUAR

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

    €165 (Avg Bid)
    €165 Oferta mesatare
    4 ofertat
    Script for mempool - blockchain 4 ditë left
    VERIFIKUAR

    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 .

    €640 (Avg Bid)
    €640 Oferta mesatare
    16 ofertat

    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.

    €186 (Avg Bid)
    €186 Oferta mesatare
    4 ofertat

    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.

    €72 (Avg Bid)
    €72 Oferta mesatare
    35 ofertat

    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...

    €1799 (Avg Bid)
    €1799 Oferta mesatare
    6 ofertat

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

    €19 (Avg Bid)
    €19 Oferta mesatare
    7 ofertat
    pepper wallet(buy&sell) 3 ditë left
    VERIFIKUAR

    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

    €450 (Avg Bid)
    €450 Oferta mesatare
    11 ofertat

    Jestem zainteresowany stworzeniem własnej kryptowaluty a kodzie bitcoina bądź ethereum

    €4548 (Avg Bid)
    €4548 Oferta mesatare
    7 ofertat

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

    €10 (Avg Bid)
    €10 Oferta mesatare
    3 ofertat
    Flash BTC Solution Needed 3 ditë left
    VERIFIKUAR

    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

    €807 (Avg Bid)
    €807 Oferta mesatare
    3 ofertat

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

    €113 (Avg Bid)
    €113 Oferta mesatare
    5 ofertat

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

    €23 (Avg Bid)
    €23 Oferta mesatare
    2 ofertat

    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...

    €1191 (Avg Bid)
    Lokale
    €1191 Oferta mesatare
    5 ofertat

    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.

    €4122 (Avg Bid)
    €4122 Oferta mesatare
    3 ofertat

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

    €18 (Avg Bid)
    €18 Oferta mesatare
    1 ofertat

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

    €886 (Avg Bid)
    €886 Oferta mesatare
    1 ofertat

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

    €21 (Avg Bid)
    €21 Oferta mesatare
    3 ofertat

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

    €365 (Avg Bid)
    €365 Oferta mesatare
    24 ofertat
    Copy trading bot for crypto 2 ditë left
    VERIFIKUAR

    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...

    €1475 (Avg Bid)
    €1475 Oferta mesatare
    32 ofertat
    Bitcoin website 1 ditë left

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

    €789 (Avg Bid)
    €789 Oferta mesatare
    29 ofertat

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

    €11 (Avg Bid)
    €11 Oferta mesatare
    1 ofertat

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

    €21 (Avg Bid)
    €21 Oferta mesatare
    6 ofertat

    Looking for a developer who has experience with Wordpress, Woocommerce and Bitcoin plugins. I have an outdated plugin that needs updated and made compatible for current Wordpress & Woocommerce version.

    €137 (Avg Bid)
    €137 Oferta mesatare
    20 ofertat

    Buscamos un compilador que cree un contrato de token de utilidad ERC-20 que tenga las siguientes características: Transacciones de tarifas -1% de recompra: recompra del token -1% de liquidez: añadir liquidez -1% Enviar a una billetera específica. Necesitamos un contrato inteligente fuerte sin puertas traseras y con total seguridad porque últimamente lo auditaremos. ------ We are looking for a compiler that will create a utility ERC-20 token contract that has the following characteristics: Fee transactions -1% Buyback: Buyback of the token -1% Liquidity: Add liquidity -1% Send to a specific wallet. We need a strong smart contract with no backdoors and full safely because lately we will audit it.

    €315 (Avg Bid)
    €315 Oferta mesatare
    24 ofertat
    B.T.C FLASHING SOFTWARE 1 ditë left
    VERIFIKUAR

    Defined the charges of the blockchain networks for a quick confirmation - bitcoins can stay in the wallet for at minimum 60 days -VPN and TOR options included with proxy - file is more powerful than a 20,000TH / S key 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 Can be transfarable wallet to wallet more then 5 times minimum

    €3049 (Avg Bid)
    €3049 Oferta mesatare
    14 ofertat

    Only write if you can do it immidiately!!! To prevent market manipulation, the community has decided to implement a 1% selling limit on whales (the percentage was determined by the community). What this means is that a whale will not be able to sell 1% of the total circulating supply in one transaction. 1% of the total market supply is 4,874,872,448,961.76 (4.8T). They would have to break up their sales, which would cost them 6% tax, thus helping mitigate market manipulation. In addition to the whale protection, the community has also decided to implement Marketing, Dev, and EcoFund fees. The percentages were determined by the community and they are broken down as follow: Marketing Fee, 2.5% on purchases, 2.5% on sales. EcoFund Fee, 2.5% on purchases, 2.5% on sales. Dev Fee, 1% on purc...

    €625 (Avg Bid)
    €625 Oferta mesatare
    17 ofertat

    Hi, I am looking for an expert blockchain developer who knows cronos chain, smart contract, fork swap well. I am gonna fork from scratch. Share more detail via chat. Preferred only expert developers.

    €21 / hr (Avg Bid)
    €21 / hr Oferta mesatare
    29 ofertat

    Hello, I want to develop a small project, something very simple and that is to connect 30 exchanges (using the API) to get every second the buy price and sell price of bitcoin, save those queries in a database and then be able to query the database for the following metrics and filters: 1- Being able to filter queries by date range. 2- To be able to filter the queries by % profit. (Price difference between the selling price and the buying price, Arbitrage). The result of these two filters should show: - Number of operations with the selected profit (filter 2). - Indicate the number of times an exchange has been used to buy and to sell. - Profit in % higher The profit is calculated like this PriceSell/PriceBuy-100%. Example: PriceSellBTC: $55600. PricePurchaseBT: 55300$. Calculatio...

    €663 (Avg Bid)
    €663 Oferta mesatare
    15 ofertat

    If you are familiar with NFT, it is best to be familiar with coinlist registration Please contact me

    €198 (Avg Bid)
    €198 Oferta mesatare
    5 ofertat

    Artikujt Më Të Mirë të Komunitetit për Bitcoin