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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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    33 Gefundene Jobs, Preise in EUR

    I'm looking for a well experienced ico consultant and advisor who must have good LinkedIn profile. Person with great business contacts or exchange contacts are preferred

    €8 - €448
    €8 - €448
    0 Angebote

    I have a crypto currency and need someone to set up and host 150 nodes for the currency and have them set up asap and last for a month. Budget is limited but job is important

    €289 (Avg Bid)
    €289 Gebot i.D.
    4 Angebote

    I'm looking for a business analyst / advisor who can advise us for our blockchain based project / business. you must be experienced with strong business connections and must have a great LinkedIn profile. I'm looking for an advisor for long term ...

    €19 (Avg Bid)
    €19 Gebot i.D.
    1 Angebote

    I have an proposal , i want to know have you people can do it ?? Coin creation = Am going to create your coin and list your coin on top exchanger site which drive user to purchase your coin with your name. Blockchain Wallet app= Am going to develop your own blockchain wallet app that support both your own coin and others top coins like bitcoin , ethereum , dogecoin etc This wallet...

    €401 (Avg Bid)
    €401 Gebot i.D.
    6 Angebote

    Requires extensive knowledge of C++, Blockchain and Proof of Stakes Restful APIs ( read the stream of data from exchanges APIs) Qt development Providing Solution base on requirements ........... Do not apply if your an agency Candidates must provide evidence of previous contributions on developing proof of stake concepts for c++ open source blockchain projects on Github.

    €1209 (Avg Bid)
    €1209 Gebot i.D.
    12 Angebote
    Bitcoin programmer needed 6 Tage left
    VERIFIZIERT

    We need a proficient bitcoin programmer to review code that we already have in place and provide an assessment - if the code is thoroughly written - and any other insight - and recommendations Let us know anything else you can provide as it related to reviewing the code and giving an opinion. Thank you

    €207 (Avg Bid)
    €207 Gebot i.D.
    10 Angebote

    I am going to get data from Bibox api using php. Ex: BTC, ORME, Trade, histories, etc. If you have mind, please apply. Need to be done 1 day I will give you api key and secret key. Thanks.

    €126 (Avg Bid)
    €126 Gebot i.D.
    13 Angebote

    I need a script that can convert Credit/Debit Cards to Bitcoin or any other Cryptocurrencies instantly for a site that I'm currently working on.

    €195 (Avg Bid)
    €195 Gebot i.D.
    5 Angebote

    I need an arbitrage TELEGRAM bot just the bot interface not the arbitrage software I already have the software a full example is below [Zur Anzeige der URL Anmelden] Telegram interface should accept BTC / LTC / ETH. The most important part is you deploying the bot for me and showing me how it will work with how you have designed it.

    €142 (Avg Bid)
    €142 Gebot i.D.
    5 Angebote

    I need some Facebook/Instagram specialist which is able to run ads for my bitcoin service.

    €951 (Avg Bid)
    €951 Gebot i.D.
    29 Angebote

    Hello, This is not for a dapp based blockchain network and crypto coin development but for a private network and private coin. We need a blockchain platform for a testing purpose. It goes like as below.( we welcome any developer who wants to test his/her technical experiments in our testing project) 1. One website with only 2 pages which is almost empty(because this is all for the testing pur...

    €486 (Avg Bid)
    €486 Gebot i.D.
    13 Angebote
    Blockchain Dapp Development 4 Tage left
    VERIFIZIERT

    I would like to create a dapp using Neblio Blockchain testnet to do this, please let me know proposals or any Dapp projects you have worked on in the past.

    €32 / hr (Avg Bid)
    €32 / hr Gebot i.D.
    36 Angebote

    Development of the parts of coin explorer that allows users to insert information on the databases. Master degree would be a plus Strong Experience with: Server security Database design Rest API PHP frameworks (Laravel / Lumen)

    €39 / hr (Avg Bid)
    €39 / hr Gebot i.D.
    6 Angebote

    The aim of this task is not to cause any damage, rather demonstrate that 51% technique can be carried out on low hashing coins. The project involves carrying out a 51% technique on PoW. The URL below is exactly what to be done for this task and instructs how to carry out a 51% technique successfully. [Zur Anzeige der URL Anmelden] Your job will be; 1. Go through the URL and understand what i...

    €39 (Avg Bid)
    €39 Gebot i.D.
    2 Angebote

    I need a professional blockchain developer who can work with us on our blockchain based project/application, you must have a good LinkedIn profile. Any alumni of Stanford or havard University is preferred or a great work experience in company like IBM or so on is preferred.

    €538 (Avg Bid)
    €538 Gebot i.D.
    4 Angebote

    i want to hire web and cryptocurrency expert.

    €468 (Avg Bid)
    €468 Gebot i.D.
    9 Angebote

    we want to create a website like [Zur Anzeige der URL Anmelden] and [Zur Anzeige der URL Anmelden] but we will add more things on this website

    €1525 (Avg Bid)
    €1525 Gebot i.D.
    24 Angebote

    Manage the entire Bitcoin Campaign, more details over chat.

    €418 (Avg Bid)
    €418 Gebot i.D.
    7 Angebote
    Blockchain Security 51% Technique 3 Tage left
    VERIFIZIERT

    The aim of this task is not to cause any damage, rather demonstrate that 51% technique can be carried out on low hashing coins. The project involves carrying out a 51% technique on PoW. The URL below instructs how to carry out the this technique successfully. [Zur Anzeige der URL Anmelden] Your job will be; 1. Go through the url and understand what is expected. 2. Choose a low hashing coin ...

    €23 (Avg Bid)
    €23 Gebot i.D.
    4 Angebote

    Existing Ruby on rails virtual currency web application needs customisation to incorporate bitcoin and and ethereum wallet capabilities for users.

    €141 (Avg Bid)
    €141 Gebot i.D.
    5 Angebote

    this is a system using a simples strategy to buy and sell using charts for Deribit it is just a hammer wich needs to open below a MA to buy and above a MA to sell you need to understand basics of trading to code this. For someone wich understands the basics the description above is clear you need to know if deribit is working well these days. If there are NOT problems with their API. I need to ...

    €327 (Avg Bid)
    €327 Gebot i.D.
    5 Angebote
    CryptoCurrency ATM Software 3 Tage left
    VERIFIZIERT

    Cryptocurrency ATM Software The software will run on Windows OS. ATM Process : Customer Select KYC Level Select Coin Confirm Price Insert cash Show QR for transfer Confirm Transaction Backend of ATM Once User confirms the transaction it will execute the trade from USD from available balance of Crypto Exchange account using Exchange provided API. The system should require the manual authoriza...

    €3657 (Avg Bid)
    €3657 Gebot i.D.
    26 Angebote

    Professional look of Dex like:- [Zur Anzeige der URL Anmelden] All token support of Eth and neo BlockChain Example of exchange :- [Zur Anzeige der URL Anmelden] [Zur Anzeige der URL Anmelden] [Zur Anzeige der URL Anmelden] Let me know if you can help

    €5285 (Avg Bid)
    €5285 Gebot i.D.
    3 Angebote

    Looking for a ready-made site. Please let me know. if you Have

    €14306 (Avg Bid)
    €14306 Gebot i.D.
    75 Angebote
    Switching a testnet to mainnet 1 Tag left
    VERIFIZIERT

    We are running our blockchain on testnet and we are ready to make the switch into mainnet. We are looking for blockchain developers which can help us to make the switch and test it to see if all works well. The blockchain is bitcoin based and integrated with masternodes.

    €1084 (Avg Bid)
    €1084 Gebot i.D.
    23 Angebote

    Hello. i need verified acc on xchange site my info is rejecting with no reason. so i need a guy who are expert in this More info will share via chat Thanks

    €108 (Avg Bid)
    €108 Gebot i.D.
    4 Angebote

    Need a software which can generate unconfirmed Bitcoin transaction without having any Bitcoins in the wallet. Needs to appear to send bitcoins

    €454 (Avg Bid)
    €454 Gebot i.D.
    9 Angebote

    I need a professional blockchain developer who can develop blockchain based apps (DAPPs) ....

    €236 (Avg Bid)
    €236 Gebot i.D.
    7 Angebote

    Need a software which can generate unconfirmed Bitcoin transaction without having any Bitcoins in the wallet

    €419 (Avg Bid)
    €419 Gebot i.D.
    6 Angebote

    Basic altcoin exchange project to introduce potential investors.

    €138 (Avg Bid)
    €138 Gebot i.D.
    10 Angebote

    I already have a bot. I need a website that must have the following: +User sign-up +Ability to deposit Ethereum and withdraw Ethereum at a 1.5% fee +Ability to send Ethereum to the bot (this will be in a different ETH wallet that will be used in the arbitrage bot managed manually by myself) and sending the Ethereum will lock it for 35 days while the finds accrue 1.25% daily interest calculated...

    €218 (Avg Bid)
    €218 Gebot i.D.
    11 Angebote

    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

    €2013 (Avg Bid)
    €2013 Gebot i.D.
    28 Angebote

    I want to make a script to be able to backtest the profits of buying a basket of cryptocurrencies or index. You must be able to choose start date and end of the backtest, choose between independent currencies or an index such as the top 10 (per marketcap) top 30, top 50, top 100 .... that includes coins that enter and leave the index daily. It must be possible to enter and take into account the e...

    €419 (Avg Bid)
    €419 Gebot i.D.
    7 Angebote

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