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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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    32 trabajados encontrados, precios en EUR
    Cryptocurrency Mining 6 días left
    VERIFICADO

    I need a simple and small BTC miner App that can mine 0.0009btc/minutes 24/7...... (Android App)

    €1353 (Avg Bid)
    €1353 Oferta Promedio
    32 ofertas

    I am looking for a complete and working fork of Tron blockchain.

    €164 (Avg Bid)
    €164 Oferta Promedio
    6 ofertas

    Hi, I need to hire a Wikipedia writer who has successfully submitted his or her work to Wikipedia for my blockchain company. These are some of the source material on Overbit. Website: [iniciar sesión para ver URL] Blog: [iniciar sesión para ver URL] Press Release (Launch): [iniciar sesión para ver URL] Press Release (Coinfirm partnership): [iniciar sesión para ...

    €97 (Avg Bid)
    €97 Oferta Promedio
    13 ofertas
    I want to make a Bitcoin software 6 días left
    VERIFICADO

    Please read it! I want you to make software. It is able to find the private key from the address of the bitcoin cache, so I am looking for a good programmer who knows nothing about it. It may not send a message if the required skills do not include bitcoin, blockchain, transactions, etc. We'll pay a deposit of 100 dollars. I will use the software to find the private key from the address and i...

    €6912 (Avg Bid)
    €6912 Oferta Promedio
    8 ofertas

    More details i will give in private messages !

    €1943 (Avg Bid)
    €1943 Oferta Promedio
    11 ofertas

    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 I am a new blockchai...

    €549 (Avg Bid)
    €549 Oferta Promedio
    10 ofertas

    Dear, freelancers. I am going to integrate bitcoin into my django project. If you have any experience about this, please contact me. Regards

    €50 (Avg Bid)
    €50 Oferta Promedio
    3 ofertas

    Dear, freelancers. I am going to integrate bitcoin into my django project. If you have any experience about this, please contact me. Regards

    €23 (Avg Bid)
    €23 Oferta Promedio
    2 ofertas

    Dear, freelancers. I am going to integrate bitcoin into my django project. If you have any experience about this, please contact me. Regards

    €111 (Avg Bid)
    €111 Oferta Promedio
    3 ofertas

    I'm going to make a simple Xamarin App for news. The developer must know Xamarin and RSS very well. reference app link: [iniciar sesión para ver URL] But not copy of this app. It's simpler than this app. happy bids!

    €262 (Avg Bid)
    €262 Oferta Promedio
    14 ofertas
    Need a ICO token 4 días left

    Hi , we started ICO and i need to launch token . provide me your exp with past work.

    €176 (Avg Bid)
    €176 Oferta Promedio
    8 ofertas
    Server-side script to send Monero 4 días left
    VERIFICADO

    We need a server-side script that send Monero (XMR) in equivalent to Bitcoin. You can find an attached HTML file that will describe the process. Only bid after checking and understanding the requirements and if you know how to work with cryptocurrencies. Notes: 1. It is obvious that the attached HTML is for presentation purpose and your script should be 100% secure and working server-side 2. No d...

    €554 (Avg Bid)
    €554 Oferta Promedio
    17 ofertas

    Mining pool needed with ETH, ETC, XMR, ZEC, and BTC.

    €111 (Avg Bid)
    €111 Oferta Promedio
    3 ofertas
    Cryptocurrency copywriting 4 días left
    VERIFICADO

    Hello, there is some offfer up to 1800 сharacters about crypto trading. I need one rewriting of bad-english text by native english speaker.

    €27 (Avg Bid)
    €27 Oferta Promedio
    23 ofertas

    Looking to develop software for a bitcoin ATM business

    €18 / hr (Avg Bid)
    €18 / hr Oferta Promedio
    14 ofertas
    Website with crypto wallets 3 días left
    VERIFICADO

    Website for a short-term trading company on cryptocurrency exchanges, as well as providing software services - bot trading. The site must have an online registration of the user account of the investor user with the ability to enter and withdraw BTC.

    €701 (Avg Bid)
    €701 Oferta Promedio
    17 ofertas

    My website is accepting deposits via bitcoin and Ethereum. Since few hours we are having problems with the Etherscan, a tool used to track Ethereum transactions. Our main developer is not here so we need help fast from someone, who is comfortable with eth.

    €385 (Avg Bid)
    €385 Oferta Promedio
    26 ofertas

    Hi, freelancers. I are looking for someone who can build two sites for me. Please visit this links. [iniciar sesión para ver URL] [iniciar sesión para ver URL] If you can also design. it would be a big plus. Please let me know your estimate and budget. Cheers.

    €16 / hr (Avg Bid)
    €16 / hr Oferta Promedio
    32 ofertas
    Encseed expert 3 días left
    VERIFICADO

    I'm looking for someone knows Ethereum, encseed very well. I'll discuss more detail via FL.

    €838 (Avg Bid)
    €838 Oferta Promedio
    7 ofertas
    Crypto currency 3 días left

    I need block/chain users leads to grow my company

    €439 (Avg Bid)
    €439 Oferta Promedio
    15 ofertas

    I downloaded it; [iniciar sesión para ver URL] I don't know, how i install it, any body help me:)

    €10 (Avg Bid)
    €10 Oferta Promedio
    7 ofertas

    Looking for someone who can build a wallet on windows based on this source of Litecoin: [iniciar sesión para ver URL] It's important it is this source version. I failed due to legacy conflict issues but it's possible for someone with the right setup.

    €124 (Avg Bid)
    €124 Oferta Promedio
    12 ofertas

    Please see attached. A is the present UI of my exchange. B is the UI I would like to develop. I want to develop something like B where there is original, trading view and depth. Please bid if you understand the work. Please do not bid if you have not build a cryptocurrency exchange before. Please send the exchange link you build when you bid.

    €1292 (Avg Bid)
    €1292 Oferta Promedio
    11 ofertas
    POS Zcoin fork 2 días left
    VERIFICADO

    Can pay $1000-2500 We want to fork Zcoin ([iniciar sesión para ver URL]) -Remove POW and masternodes, change to pure POS 3.0 or LPOS (lease proof of stake [iniciar sesión para ver URL]) -change block rewards and set up treasury addresses -Launch mainnet, make sure all is functional after launch (like a week max). -premine a % of the coins to treasury address. -develop Windows and L...

    €941 (Avg Bid)
    €941 Oferta Promedio
    13 ofertas
    POS 3.0 cryptocurrency and Airdrop 2 días left
    VERIFICADO

    I'd like a POS 3.0 cryptocurrency. The cryptocurrency needs to have a % of the block rewards go to a treasury address. Premine some of the coin for initial distribution. -Launch mainnet, make sure all is functional after launch (like a week max). -Separately: develop faucet with simple web wallet like this FOR: [iniciar sesión para ver URL] (with login, account email verification, t...

    €605 (Avg Bid)
    €605 Oferta Promedio
    12 ofertas

    You can get best result in trading earning money

    €12 (Avg Bid)
    €12 Oferta Promedio
    3 ofertas

    need a self hosted bitcoin/cryptocurrency/bch/ltc wallet with deposit support

    €167 (Avg Bid)
    €167 Oferta Promedio
    18 ofertas

    Need a pos coin with no masternodes. Supper fast transactions and 30% per year staking paid daily. The staking rate will halve every 5 years until it reaches 3.75% and it will continue infinitely. Need block explorer and wallets.

    €382 (Avg Bid)
    €382 Oferta Promedio
    15 ofertas

    Hello, I want to simple bitcoin websiet system! I want to put xprv key and list address for [iniciar sesión para ver URL] wallet List: address - private key - if have[balance]

    €54 (Avg Bid)
    €54 Oferta Promedio
    6 ofertas

    Requirements for a team: 1) Senior Java Background. 2) Solid Security and Cyber Security Background. 3) Must know how to create full nodes for the coins and tokens listed and offer liquidity solutions. 4) This is only for experienced firms and long term work can be offered! Pay will be for this project and 4 months of full support and security must be included. 5) Contract must be signed. Must be...

    €5063 (Avg Bid)
    €5063 Oferta Promedio
    13 ofertas

    Please provide me link for your previous work

    €837 (Avg Bid)
    €837 Oferta Promedio
    4 ofertas

    I am looking for engineer who can work with our team to develop the Bitcoin website... Must be good at Blockchain and website and DB.... Also, have got a good knowledge of AWS.

    €676 - €1352
    Sellado
    €676 - €1352
    96 ofertas

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