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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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    22 δουλειές που βρέθηκαν, με τιμές EUR
    Blockchain Staking -- 2 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Hi sir i am looking for tron staking platform (token & staking) as working in this website also integrate api with metamask on website

    €115 (Avg Bid)
    €115 Μέση Προσφορά
    6 προσφορές
    Develop Cross-chain bridge and USDT smart contract 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    I am looking for someone to create/develop USDT & USDC stablecoins on Excoincial Blockchain plus development of cross-chain bridge. Basically we should have wrapped Tokens on targeted chains. For example one should be able to move USDT on Ethereum Blockchain to BSC-USD on Binance Smart Chain, or move it to fUSDT on Fantom Blockchain. In our case we should be able to move wrapped EXL Coin from Excoincial Blockchain to Ethereum, Binance, Polygon, Solana, Avalanche, Arbitrum, Harmony, OKC, Cronos blockchains. As well as we have to create USDT & USDC stablecoins on Excoincial Blockchain and be able to move them to Ethereum, Binance, Polygon, Solana, Avalanche, Arbitrum, Harmony, OKC, Cronos blockchains. The whole point is to Bridge from Excoincial Blochain, Ethereum, Binance Smart Ch...

    €1675 (Avg Bid)
    €1675 Μέση Προσφορά
    32 προσφορές
    Create coin using binance framework 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    I need 100,000,000 coin using binance bsc framework. Need to also add into pancake swap and verify all info. Freelancer must give account and verify the profile pancakeswap and BSC scan

    €485 (Avg Bid)
    €485 Μέση Προσφορά
    38 προσφορές
    Bitcoin trading bot 5 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Hi are you available to create for me a bitcoin trading robot? If so I can provide more details I have the webhooks /triggers

    €70 / hr (Avg Bid)
    €70 / hr Μέση Προσφορά
    37 προσφορές

    BitPUMP Bitcoin pump and down signals Platform : IOS & Android App read api bitcoin, ETH - BUSD price binanace api app sending signals ( notifications ) according to algorithem : ( and the notification for ETH is default disable and user can enable ) 15$ from the past 1 sec and then in the 2 second also move 15$ sending notification: "Alert: BTC high volatility - Price xxxx" ( both for the up and the down ). EX: x= 39000 y = 39010 z= 39020 = send notification "Alert: BTC high volatility - Price x" x= 39020 y = 39010 z= 39000 = send notification "Alert: BTC high volatility - Price x" after notification send it will not send for the next 2min. *Notifications sent with arrow icon up or down accordenlly. 10 sec if price is up or down 0.1% send &qu...

    €146 (Avg Bid)
    €146 Μέση Προσφορά
    7 προσφορές
    Peer to peer websitr 4 μέρες left

    I looking for a developer that can build a escrow site for me. Example, Buyers can buy cryptocurrencies at the rate they're convenient with and receive it in any crypto wallet they wish such as Yellow card, bundle , Binance , Coinbase , Paxful , Trustwallet and more Sellers can now define a Min & Max amount on their offer.. A unique link to promote your crypto and deal with users around the world.. Escrow account to ensure buyers commit to payment.. Your crypto offers are published on your crypto store.. All customers on the site get notified every time you post or modify your crypto offers... Sellers create a crypto store on site and become his own boss they can sell Bitcoin, Ethereum, Litecoin, Shiba and other cryptocurrencies they own from any crypto wallet such as Bin...

    €912 (Avg Bid)
    €912 Μέση Προσφορά
    24 προσφορές
    Remove A third party CryptoApi and develop payment gateway 4 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    We have a PHP website that accepts payments through a third-party crypto API. We want to remove this API and develop our payment gateway where people can choose a package from our platform and be able to pay in BTC / USDT and OUR Token. Please provide your offer and timeline.

    €186 (Avg Bid)
    €186 Μέση Προσφορά
    17 προσφορές
    Blockchain Devoloper need 3 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Urgent needed, blockchain devoloper, create a new block chain with coin. Like bitcoin/

    €21 / hr (Avg Bid)
    €21 / hr Μέση Προσφορά
    38 προσφορές

    guide me how to exchange on with my own token. I have created my own token, but i dont know how to create liquidity through pool a correct way. Please guide me how to do it and complete the transfer on my own.

    €108 (Avg Bid)
    €108 Μέση Προσφορά
    5 προσφορές

    Example of script : Features Easy Registration and Login for users God Mode: Simplified and appealing dashboard Reset/Change user password from Admin Dashboard Change user password from Admin Dashboard Block user from Admin Dashboard Credit user wallet from Admin Dashboard Change Admin password Create Multiple Admins In-built Ticket/Support System In-built Testimonial submission and approval system Settle issues between users (Court Cases) Switch between manual and automatic merging of pledges Notice Board to all users Wallet System with Credits transfer between users REQUIREMENTS: should you encounter errors Ensure the following before contacting support Are you using a standard web hosting just like NAMECHEAP Ensure you are using Php 7.0 or higher Ensure File info extension is enabled ...

    €17 / hr (Avg Bid)
    €17 / hr Μέση Προσφορά
    31 προσφορές
    Blockchain & Crypto developers/experts needed 3 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    HI, I am urgently looking for professionals / developers / experts in Blockchain, Crypto, NFT etc. Awesome deal for you. Thanks

    €29999 (Avg Bid)
    €29999 Μέση Προσφορά
    19 προσφορές
    how to buy crypto on decentralised exchange 2 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    I want someone to teach me how to buy crypto on a decentralised exchange

    €14 (Avg Bid)
    €14 Μέση Προσφορά
    25 προσφορές
    Cryptocurrency Expert 1 μέρα left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Cryptocurrency token or coin with website

    €33 (Avg Bid)
    €33 Μέση Προσφορά
    9 προσφορές
    Cryptocurrency token or coin 1 μέρα left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    New Cryptocurrency token or coin everything from A to Z including listing in exchange website and control panel logo

    €506 (Avg Bid)
    €506 Μέση Προσφορά
    51 προσφορές
    Install OpenDax 1 μέρα left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Install OpenDax with about 15 currencies (native, bep20, erc20). Integrate liquidity module.

    €3642 (Avg Bid)
    Προεξέχον
    €3642 Μέση Προσφορά
    16 προσφορές
    €25 / hr Μέση Προσφορά
    3 προσφορές

    Hi, We are very experienced creating web2 and nft marketplace apps. But for topics above we have not experience yet. The app will work like this: A user goes to an exchange office, deposit USD. In the system, user can purchase coins listed below and then, those purchased coins will be transferred to his/her wallet/wallets. Users has to view real time coin prices without a lag. Users pick a coin (for now some specified coins will be used, listed below). User selects a coin and buy/sell/withdraw. In this process users will view and use our app but at the same time they will be connected to a CEX in order to purchase crytpo coins. There will be only one price for each coin. After that we will add some commission (like 1%, the commissions will be holded in a specified cold wallet). Then tr...

    €8869 (Avg Bid)
    €8869 Μέση Προσφορά
    34 προσφορές
    €814 Μέση Προσφορά
    34 προσφορές
    PHP Crypto Exchange 6 ώρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Design und Programmierung eines Crypto-Exchanges. Der Exchange soll neben einem Euro-Wallet folgende Coins unterstützen Bitcoin Ethereum BNB XRP Terra Cardano Solana Avalanche Dogecoin Polkadot Cronos Litecoin Monero Zusätzlich soll ein eigener auf Ethereum basierender Stablecoin eingeführt werden, so daß beim Tauschen immer als zwischenschritt in den Stablecoin gewechselt wird.

    €3708 (Avg Bid)
    €3708 Μέση Προσφορά
    23 προσφορές

    I am looking for a competent person to create a web interface that will propose to replace a bitcoin transaction by another one. This is a simple function integrated to the bitcoin protocol. The goal is to create a web solution so that the user can: - Specify the amount he would like to send to an address X - Specify the Y address to which the second transaction will be sent - Have a button at his disposal to proceed to the sending of each transaction And finally, a percentage that will be credited to me each time the user replaces his first transaction.

    €532 (Avg Bid)
    €532 Μέση Προσφορά
    40 προσφορές
    Need Crypto ( BNB or LUNA ) 1 ώρα left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    i am looking for crypto holders ... i need BNB or LUNA .. thank you

    €177 (Avg Bid)
    €177 Μέση Προσφορά
    13 προσφορές
    Need a meta verse developer and consultant Λήγει left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    I need a metaverse developer and a consultant, you is familiar with tools used for metaverse development and has ideas on how it works and everything. You must understand basics of blockchain, crypto, sandbox, decentraland and NFTs. I need you to be a part of our team and work along with us in this project, you have to help us in metaverse developer and give us the required consultation around my questions related to metaverse development.

    €931 (Avg Bid)
    €931 Μέση Προσφορά
    18 προσφορές

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