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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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    ERC20 token listing with 1 - 2 eth budget.

    €461 (Avg Bid)
    €461 Ortalama Teklif
    8 teklifler

    hello! we are looking for people who can get us a decentralized crypto exchange you can looking at this website [login to view URL]

    €2334 (Avg Bid)
    €2334 Ortalama Teklif
    10 teklifler
    Smart Contract and Dapp 6 gün left
    ONAYLI

    1. Smart contract for TRC20 [login to view URL] development [login to view URL] of Dapp and TRC20 coin Should be strong in C++ is for EOS, and solidity is for ETH and TRON Tecnical guidelines will be provided

    €86 (Avg Bid)
    €86 Ortalama Teklif
    1 teklifler

    Looking for some reputed company/individual to perform a smart contract audit Crypto currency type : ERC20 Blockchain : Ethereum Please don't bid if you don't have an experience with this task

    €336 (Avg Bid)
    €336 Ortalama Teklif
    9 teklifler

    we need someone to write, publish and manage an ICO bounty program 1. BOUNTY CAMPAIGN ANNOUNCEMENT 2. MANAGE THE BOUNTY CAMPAIGN ITSELF Looking for an experienced bounty manager to manage our bounty campaign for an ICO. We our an upcoming ICO Project and need a bounty manager for an ICO camapign. Your tasks include community management for our different Bounty Campaigns and Airdrops for an ...

    €437 (Avg Bid)
    €437 Ortalama Teklif
    4 teklifler
    cryptocurrency 6 gün left
    ONAYLI

    i want to create a cryptocurrency for payment.

    €292 (Avg Bid)
    €292 Ortalama Teklif
    17 teklifler

    I am looking for a blockchain developer experienced in setting up Electrum wallets. Project's description and features is attached.

    €437 (Avg Bid)
    €437 Ortalama Teklif
    6 teklifler

    Hi. I am going to develop new blockchain. I will share details for right freelancer.

    €969 (Avg Bid)
    €969 Ortalama Teklif
    28 teklifler
    Needed ERC20 token Service 5 gün left
    ONAYLI

    We need ERC20 token Service Developer. We are looking for a highly skilled developer who can provide us ERC20 Services. We are looking for • Get Balance • Token Send/Receive • Token Address Generation • Transaction History Please Note: • You will need to handover the full development source code to us. • Should be developed with PHP CodeIgniter. • We need the se...

    €479 (Avg Bid)
    €479 Ortalama Teklif
    18 teklifler

    1. Create a masternode coin like pivx 2. Create block explorer 3. Create QT wallets ( Win - 32-64, Linux, Mac ) 4. Publishing source code in github [login to view URL] masternode guide 6. guide to install the seednode Please note : I require only professional developers , I will first check if the coin chain is smooth or not I mean no bugs in the coin or proof of stake

    €1046 (Avg Bid)
    €1046 Ortalama Teklif
    8 teklifler

    El proyecto es crear una calculadora de minería de criptomonedas. 1. Programación de la calculadora. - Se te entregarán las ecuaciones necesarias. - Se extraerá la información de una API Rest externa. 2. Diseño de la calculadora. - Se te entregará el diseño desktop para que crees la plantilla. - Debe ser mobile-friendly. Hablemos por cha...

    €449 (Avg Bid)
    Özellikli
    €449 Ortalama Teklif
    17 teklifler

    i need a cryptocoin prooject that can handle arbitrage between cryptoexchanges. recently a developer worked for this project but he had health issues and left the project Project %50 finished but not completed, frontend is nearly complete, all codes are in server and it works partly, have 3 cryptocoin exchanges and 15 coins integrated. - job description and details are here [login to view URL] - i...

    €967 (Avg Bid)
    €967 Ortalama Teklif
    18 teklifler

    I need a Blockchain Developer capable of producing a fork with basic Blockchain Adjustments like Block Time, Block Reward, Block Halving, Etc. We would like a wallet implemented and designed as well along with several additional aspects to the development but nothing to extensive. We would require someone with at least 2-3 years experience with Blockchain Developer. ***NOT SMART CONTRACTS! SOL...

    €32 / hr (Avg Bid)
    €32 / hr Ortalama Teklif
    39 teklifler

    I receive error when i try mint zerocoin, so i need to fix it

    €22 (Avg Bid)
    €22 Ortalama Teklif
    1 teklifler

    I want to develop a proprietary service for my customers. Essentially, it's going to be a stripped-down version of blockchain. I need someone who is knows blockchain inside out - to the point where theyre not helplessly enamoured by it. If you know what you're doing, this is a walk in the park. If you're wrapped up in your crypto bubble, stay there, I have no use for you

    €1411 (Avg Bid)
    €1411 Ortalama Teklif
    33 teklifler

    I want to start a new coin POS/POW. Please bid if you have already developed coins. Looking forward for serious dev..

    €678 (Avg Bid)
    €678 Ortalama Teklif
    7 teklifler
    Bitcoin Squad 3 gün left

    Bitcoin Squad is a training program that teaches you how to invest, trade, and profit by using cryptocurrencies and Forex. The program has something for everyone from beginner basics to advanced techniques. By taking our master class you will become a pro trader in no time making the income you have always dreamed of. The company is some what new and we are looking to expand through targeted adver...

    €117 (Avg Bid)
    €117 Ortalama Teklif
    6 teklifler

    We need someone to help with marketing and crowdsales We are looking genuine marketer who can promote our ICO and generate real revenue. Here is project details: We have developed a decentralize exchange! We want to do ICO so you need to promote our ICO and generate real revenue. You will get paid after success our ICO. You must have to have a good review of ICO on your profile. Thank you a...

    €42 / hr (Avg Bid)
    €42 / hr Ortalama Teklif
    16 teklifler

    This website will have: - Game (game + relevant Admin Panel data) - Deposit and withdraw (Bitcoin/VGO + Welcome Bonus) - Affiliates (Invite friends for % of commission with affiliate code/link) - Level up (levels up the user and rewards user with free coins) - Chat (including moderators) + extra Message me for more information including images and designs in PSD and .jpg

    €2087 (Avg Bid)
    €2087 Ortalama Teklif
    23 teklifler

    fix minor issues on coinspayment gateaway. btc, eth, and ltc mostly is fixed, just that the exchange rate has a problem. [login to view URL]

    €72 (Avg Bid)
    €72 Ortalama Teklif
    10 teklifler

    I need someone who is very familiar with Masternodes and how they work. I am going to create a platform like [login to view URL] or [login to view URL] A Masternode hosting and deployment platform. I’m familiar with the amount of work needed to develop something like this and it isn’t really too difficult. Fairly simple stuff. Payment will be made partially with CAD but mostly wit...

    €612 (Avg Bid)
    €612 Ortalama Teklif
    22 teklifler

    I need someone to help with marketing and crowdsales of an erc20 token profits will be shared after crowdsales.

    €12172 (Avg Bid)
    €12172 Ortalama Teklif
    19 teklifler

    Change the code of EOS source code (just a file: [login to view URL]) to make it work on another token. One should have complete knowledge of EOS and C, C++.

    €16 (Avg Bid)
    €16 Ortalama Teklif
    1 teklifler

    Looking to hire someone who can create a cryptocurrency exchange, complete back end. Only wanting to hire someone who has already previously built an exchange or who can build one based off another template. Only willing to spend a minimum amount of money to build the platform. Can only pay monthly, no upfront payments. Want an exchange similar to one of these: [login to view URL] [login to v...

    €867 (Avg Bid)
    €867 Ortalama Teklif
    16 teklifler

    some example: [login to view URL]

    €12 (Avg Bid)
    €12 Ortalama Teklif
    1 teklifler

    reference website : [login to view URL] This is a investment related website, we pay 15% monthly based on clients bitcoin investments. client login panel shows the exact details about clients total investments , total gain and available balance to withdraw.

    €403 (Avg Bid)
    €403 Ortalama Teklif
    5 teklifler

    I need a developer that can build me a crypto market scanner. A scanner that can scan all coin pairs on all crypto exchanges, 24/7. - It should be able to do multiple kind of scans, all based on indicators from technical analysis. All the necessary indicators I already have available in Tradingview pinescript format. These are most of the indicators: 1 Mean Reversion 2 RSI Bearish / Bullish Div...

    €278 (Avg Bid)
    €278 Ortalama Teklif
    7 teklifler
    Compile new POS/POW coin 19 saat left
    ONAYLI

    I want to start a new coin POS/POW. Please bid if you have already developed coins. Looking forward for serious dev..

    €651 (Avg Bid)
    €651 Ortalama Teklif
    9 teklifler

    I am launching my own coin and want someone to compile it in custom UI for windows and Mac. I will need to see example before moving forward.

    €571 (Avg Bid)
    €571 Ortalama Teklif
    7 teklifler
    Create a new Crypto Currency 18 gün left
    ONAYLI

    Create a new Crypto Currency by Improving open source existing codes and ensure its reliability to connect to external environments, and implement sepcific specs and deliverables and high level security.

    €3017 - €5028
    Özellikli Mühürlü Gizlilik Anlaşması
    €3017 - €5028
    63 teklifler
    Crypto expert required.. 3 gün left
    ONAYLI

    I need a Crypto expert for my current projects. If you have knowledge please bid. Details will be shared in message with the freelancers.

    €6 - €64
    Mühürlü
    €6 - €64
    30 teklifler

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