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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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    45 jobs found, pricing in USD

    I need you to make a list of launchpads to raise funds, then I will give you a filled form that I completed myself and you just copy those values to all application forms on launchpads. The task is very simple just copy-paste text. If some fields are missing - just message me I can provide the text to paste in.

    $4 / hr (Avg Bid)
    $4 / hr Avg Bid
    2 bids

    Hello, Freelancer We need small crypto wallet for our employees. We want to send salary through Crypto to our employees We want only 4 Crypto I will send you name of those Finish that project as soon as possible Swapping and convert feature also inbuilt in our Wallet

    $1719 (Avg Bid)
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    18 bids

    Connect my website to remote bitcoin node by JSON RPC. The site is build and the node is downloaded, but i cant figure out the error. Thanks in advance.

    $21 / hr (Avg Bid)
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    16 bids

    Hello, I am looking for a blockchain and solidity expert. Task: Build/code a AMM arbitrage bot for Pancakeswap and Mdex via a private smart contract. Be able to advise on improvements in speed of execution, Gas fee usage etc. The bot should arbitrage Pancake vs Mdex and if a transaction is not successful then it should roll back the transaction where we only pay fees. You also have to be able to ...

    $1192 (Avg Bid)
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    28 bids

    Front-end UI - (Pools, Staking, Claiming, Compounding) Back-end: Smart contracts (Native Token, Farm Contract, Staking, Pool) The native token will be a modification of an already existing BSC token (Reflection, Tax, Auto-liquidity generation, Anti-Bot, Anti-Whale) The native token will include front-end UI to claim or compound. (Feature is already available in the existing project to be cloned...

    $1389 (Avg Bid)
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    27 bids

    hello, we need smart contracts that we can use to swap for our project. (BEP-20, TRC-20, ERC-20) formats. If you can work on this, please provide feedback.

    $366 (Avg Bid)
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    8 bids

    **ONLY JAPANESE CITIZENS APPLY** As stated above, we are looking for a Japanese ONLY citizens who will help us validate/confirm certain information/questions about cryptocurrency projects and write the answer in already pre-made document. Working on this project doesn't involve in exchanging cryptocurrencies nor paying outside of the Freelancer platform. The task is very simple and easy to...

    $130 (Avg Bid)
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    2 bids

    Seeking writers to produce several 1500-word articles/week on assigned cryptocurrency topics on an ongoing basis. These are intended for laymen audiences, but some knowledge of cryptocurrency and a reasonably strong technical background will likely be required to effectively extract relevant details from marketing hype.

    $60 (Avg Bid)
    $60 Avg Bid
    31 bids

    Integrate walletconnect to my website So it works on mobile phones and people can connect their metamask and trustwallet to the website.

    $250 (Avg Bid)
    $250 Avg Bid
    2 bids
    Trophy icon Crypto Re-search Project 2 days left

    Research that finds me the top 3 coins that have had a really big price dip in the past months. Coin must be in the top 500. 1) Give me a description of the project 2) Let me know the percentage in price that its dropped. 3) Find me a really great video of someone talking about the coin and what it will do

    $51 (Avg Bid)
    Guaranteed Sealed
    $51
    4 entries

    I am running a presale website, on laptop metamask plugin get connected and it works, but on mobile phone extensions don't work so for that, I want to integrate the wallet connect.

    $131 (Avg Bid)
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    10 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 wal...

    $1183 (Avg Bid)
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    11 bids

    Deploy test net : 150$ Deploy mainnet : 150$ Binance Smart chain

    $364 (Avg Bid)
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    47 bids

    A FEW HOURS OF WORK ARE NEEDED. I need a website similar to [login to view URL] but with more features. Before awarding this project to you, you should be ready to answer questions related to blockchain, Cryptocurrency, swap, Binance blocks and liquidity. Please type "SIBA" without quotes, so that you will be a qualified bidder to be awarded. If successful, more projects will be awarded...

    $170 (Avg Bid)
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    13 bids

    We are a young startup and educate people in blockchain and crypto online. For this we need professional support for the creation of various presentations. The content has already been developed. We are looking forward to your feedback. Best regards Oliver & Ronny

    $650 (Avg Bid)
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    21 bids

    I need someone to build a Crypto wallet app for the user's portfolio. You should have experience of this work.

    $781 (Avg Bid)
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    8 bids
    pancakeswap liquidity 5 days left
    VERIFIED

    pancakeswap liquidity expert needed

    $168 (Avg Bid)
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    8 bids

    Need a blockchain dev to make a separate staking dapp on my site

    $147 (Avg Bid)
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    8 bids
    Build with me a blockchain 4 days left
    VERIFIED

    i had build more by myself some blockchain same Litecoin, Dogecoin. now i want build same TRX and make smartcontract....Defi i will test you build before apply this project. it need more part to do. each part with another price

    $163 (Avg Bid)
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    13 bids

    Hello there, I have a Crypto token made on BSC, I need to add a token icon + token price in the trust wallet. Only experienced Thank you!

    $128 (Avg Bid)
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    2 bids

    I have my family photos in a screensaver that was custom made for me a few years ago. After accidentally formatting my hard drive a few months ago, I managed to find this screensaver on a CD. I would like someone to extract the JPEG pictures from it so that I could print them into my photo album. Thanks

    $312 (Avg Bid)
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    9 bids
    Build a crypto wallet 4 days left
    VERIFIED

    I need someone to build a Crypto wallet for the user's portfolio. You should have experience of this work.

    $823 (Avg Bid)
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    17 bids

    Hello, we have a big tech team of very experienced blockchain engineers that worked on lots of cutting-edge Defi startups on Binance Smart Chain, Polygon, and Ethereum. We need a strong marketing guy or a team of marketers with whom we can create a whole bunch of DeFi/Crypto projects. Requirements: - scale telegram groups with real members, no bots, no random people - access to legit networks o...

    $8272 (Avg Bid)
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    11 bids

    I have my family photos in a screensaver that was custom made for me a few years ago. After accidentally formatting my hard drive a few months ago, I managed to find this screensaver on a CD. I would like someone to extract the JPEG pictures from it so that I could print them into my photo album. Thanks

    $403 (Avg Bid)
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    11 bids
    Fork Tornado cash 4 days left
    VERIFIED

    I want to fork Tornado Cash for Polygon Blockchain Tornado cash is a privacy blockchain which breaks the link between a sender and receiver. Its a open source project and all the code is in the github. You have to fork the github code and complete the project. A simple UI to deposit and retrieve functions already exist in the github. You can use that. This use zk snark protocol, so if you reall...

    $1403 (Avg Bid)
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    28 bids
    Experience listing on Uniswap 3 days left
    VERIFIED

    Looking for a developer with experience listing an existing ERC20 token on Uniswap Please articulate your experience listing token on Uniswap clearly

    $195 (Avg Bid)
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    12 bids

    Our token private sale will start soon. We are seeking affiliate who have wide network with potential clients(token investment,ICO,token sale,crowdfunding,token sale leads) We are not simply buliding a better P2P crypto exchange,we have flexible exit plan by SPAC for investors. We will provice introducing brokers(IB)with competitive commission plus our token as bonus. Requirement [login to vi...

    $96 (Avg Bid)
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    5 bids
    I need a new website. 2 days left
    VERIFIED

    Looking to develop [login to view URL] clone

    $941 (Avg Bid)
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    12 bids

    **ONLY KOREAN CITIZENS APPLY** As stated above, we are looking for a Korean ONLY citizens who will help us validate/confirm certain information/questions about cryptocurrency projects and write the answer in already pre-made document. Working on this project doesn't involve in exchanging cryptocurrencies nor paying outside of the Freelancer platform. The task is very simple and easy to do.

    $296 (Avg Bid)
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    3 bids

    I have a t17 and an s17+ both say socket connection error. Both were tested and should work fine but when I hooked him up at my house I get the error. I take it this means they're not connecting to the internet. I have three other miners hooked up, L3++ and Z9 and they connected fine Do you know how to fix this?

    $32 (Avg Bid)
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    2 bids

    Hi, I want to integrate Bitcoin and other cryptocoin payment processors api integration to my script.

    $137 (Avg Bid)
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    5 bids
    Similar like coinpayments 2 days left
    VERIFIED

    I am looking for readymade system , similar like coinpayments. If you have, then bid with demo link. Only with demo, no time for development.

    $1187 (Avg Bid)
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    6 bids

    Looking for someone with experience working with trc20/erc20. The product - crypto currency payment gateway that accepts usdt to internal trc20 wallets. Customers will transfer USDT into our wallets then we will need to be alerted programmatically. Then the platform should be able to transfer from the internal wallet to a specific trc20 address programatically as well. The payment flow will be ...

    $10 - $750
    Sealed NDA
    $10 - $750
    3 bids

    Good day, Developers! I'm searching for a team or a single developer who can assist me in developing a crypto casino with the features described below. This project has a timelime between 6 and 10 months to complete, with a maximum expenditure of $100,000. If you have experience in this industry and can show me proof, I will pay you more than my maximum budget. - The creation of a website ...

    $56481 (Avg Bid)
    NDA
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    41 bids

    Looking for someone who can add wallet to existing site.

    $116 (Avg Bid)
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    6 bids

    Looking for someone with experience working with trc20/erc20. The product - crypto currency payment gateway that accepts usdt to internal trc20 wallets. Customers will transfer USDT into our wallets then we will need to be alerted programmatically. Then the platform should be able to transfer from the internal wallet to a specific trc20 address programatically as well. The payment flow will be ...

    $10 - $750
    Sealed NDA
    $10 - $750
    4 bids

    We are going to add a “Buy Button” to our website* that is transparent to the new users. The expectation is “inexperienced/first-time Cryptocurrency” buyers can buy our new token painlessly. We Will need a smart contract that requires the first transaction – enter total “dollars”, log into the “wallet” site, add a new account, provide a secret ...

    $36 / hr (Avg Bid)
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    59 bids

    I need someone to create a Crypto currency purchasing tool that can purchase new crypto tokens during new farm launches and make changes to the tool once created and allow modifications to various different tokens etc when listing takes place. Will need 2 different tools, one will need to work on Harmony (ONE) network Shard 0 The 2nd will need to work on BSC Mainnet.

    $146 (Avg Bid)
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    9 bids

    We need BSC Smart contract for BSC Token with following Features. 1 ) auto lp 2 ) auto burn 3 ) monthly BNB reward 4 ) reward on transaction 5 ) 2 different marketing wallet Features of 1st marketing wallet - Certain percentage of transaction amount should go to this Wallet in terms of bnb Features of 2nd marketing wallet - Certain percentage of transaction amount should go to this Wallet in te...

    $114 (Avg Bid)
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    2 bids

    Who we are: AroundB has been working with blockchain and fintech projects since 2016 and has over 50 successful projects accomplished. We are helping cutting-edge companies and startups grow their business and realize their potential with marketing and PR services, and we specialize in the organization of professional business events online and offline. We pride ourselves on breaking down barrier...

    $45 (Avg Bid)
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    8 bids
    Crypto token devlopment Ending left
    VERIFIED

    Would like to create Bep20 token which has airdrop and ICO options in smart contract

    $243 (Avg Bid)
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    12 bids

    I need to solve a simple bug in my project. Don't bid if you are not bitcoin expert.

    $184 (Avg Bid)
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    5 bids
    Проект блокчейн 4 days left
    VERIFIED

    Нужна разработать блокчейн платформу. Задача в приложении, скачайте и ознакомьтесь пожалуйста. Стек кастомная библиотека polkadot, ink, grandpa, и язык rust в основном.

    $750 - $1500
    Sealed
    $750 - $1500
    7 bids

    Требуется разработать страницу смарт алгоритма торговли на крито бирже (роботы). Работаем на Бинанс. Необходимо забирать статистику по АПИ и транслировать ее в ЛК инвестора. Пока только спотовая торговля. В дальнейшем расширение данного направления в том числе портал для копи-трейдинга. По смарт алгоритму также партнёрская программа. В маркетинге участвует сумма за покупку лицензии на алгор...

    $1500 - $3000
    Sealed
    $1500 - $3000
    4 bids
    Проект blockchain -- 2 20 hours left
    VERIFIED

    Нужна разработка блокчейн платформы. Задача в приложении, скачайте и ознакомьтесь пожалуйста. Стек кастомная библиотека polkadot, ink, grandpa, и язык rust в основном.

    $750 - $1500
    Sealed
    $750 - $1500
    1 bids

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