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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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    29 kazi zimepatikana, bei imeletwa USD

    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. [login to view URL] Your job will be; 1. Go through the URL and understand what is expected....

    $58 (Avg Bid)
    $58 Wastani wa Zabuni
    1 zabuni

    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.

    $677 (Avg Bid)
    $677 Wastani wa Zabuni
    3 zabuni

    i want to hire web and cryptocurrency expert.

    $550 (Avg Bid)
    $550 Wastani wa Zabuni
    7 zabuni

    we want to create a website like [login to view URL] and [login to view URL] but we will add more things on this website

    $1524 (Avg Bid)
    $1524 Wastani wa Zabuni
    17 zabuni

    Manage the entire Bitcoin Campaign, more details over chat.

    $423 (Avg Bid)
    $423 Wastani wa Zabuni
    5 zabuni
    Blockchain Security 51% Technique 5 siku left
    DHIBITISHWA

    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. [login to view URL] Your job will be; 1. Go through the url and understand what is expected. 2. Choose a low hashing coin which is on...

    $26 (Avg Bid)
    $26 Wastani wa Zabuni
    4 zabuni

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

    $161 (Avg Bid)
    $161 Wastani wa Zabuni
    3 zabuni

    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 ...

    $370 (Avg Bid)
    $370 Wastani wa Zabuni
    5 zabuni
    CryptoCurrency ATM Software 5 siku left
    DHIBITISHWA

    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...

    $4480 (Avg Bid)
    $4480 Wastani wa Zabuni
    19 zabuni

    Professional look of Dex like:- [login to view URL] All token support of Eth and neo BlockChain Example of exchange :- [login to view URL] [login to view URL] [login to view URL] Let me know if you can help

    $5975 (Avg Bid)
    $5975 Wastani wa Zabuni
    3 zabuni

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

    $16020 (Avg Bid)
    $16020 Wastani wa Zabuni
    68 zabuni

    Before placing your bid read my project details carefully, Any non-related proposals will be ignored. We have an MLM custom coded script in code-igniter. We are already using coin payments as the payment gateway for incoming and outgoing payments, but the problem is coin payments do not allow MLM companies and can be blocked at any moment. So we ended up looking forward to implementing our bitcoin...

    $243 (Avg Bid)
    $243 Wastani wa Zabuni
    9 zabuni
    Switching a testnet to mainnet 4 siku left
    DHIBITISHWA

    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.

    $1211 (Avg Bid)
    $1211 Wastani wa Zabuni
    21 zabuni

    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

    $124 (Avg Bid)
    $124 Wastani wa Zabuni
    3 zabuni

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

    $513 (Avg Bid)
    $513 Wastani wa Zabuni
    9 zabuni

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

    $267 (Avg Bid)
    $267 Wastani wa Zabuni
    7 zabuni

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

    $473 (Avg Bid)
    $473 Wastani wa Zabuni
    6 zabuni

    Basic altcoin exchange project to introduce potential investors.

    $156 (Avg Bid)
    $156 Wastani wa Zabuni
    10 zabuni

    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...

    $247 (Avg Bid)
    $247 Wastani wa Zabuni
    11 zabuni

    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

    $2276 (Avg Bid)
    $2276 Wastani wa Zabuni
    28 zabuni

    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...

    $474 (Avg Bid)
    $474 Wastani wa Zabuni
    7 zabuni

    I need you to design and build it. an fully functional and ready to use arbitrage software and development and just like hassonline I don't have any kind of API and nothing and this bit is not for personal I want to use this as like a business

    $113 (Avg Bid)
    $113 Wastani wa Zabuni
    2 zabuni

    hello We are looking for an experienced content writer for a global cryptocurrency exchange website and its application that has vast knowledge about cryptocurrency and its exchange and can communicate well the same. Must be able to provide original and unique content in the required frame of time A writer who is up to date with the current market trends and knows in and out of what's happe...

    $110 (Avg Bid)
    $110 Wastani wa Zabuni
    15 zabuni

    Looking for Yo!kart multi vendor marketplace script. Bid only if you have the script Script should have crypto payments enabled, bitcoin , Ltc and electroneum instant payments South African payment gateway Escrow service for all payments please read carefully and only respond if you have the Yo!kart multi vendor marketplace script

    $368 (Avg Bid)
    $368 Wastani wa Zabuni
    6 zabuni

    Need a python trading scrip for binance which uses binance API . Trading logic is simple: - One currency Pair - Check actual price every period of time in X seconds - If price go up - amend stop loss order - If price go down - dont do nothing. - Please place bid if you have worked on binance api before and you know what is cryptocurrency trading.

    $237 (Avg Bid)
    $237 Wastani wa Zabuni
    17 zabuni
    Blockchain Expert 16 masaa left
    DHIBITISHWA

    I am looking for blockchain expert who can build wallets from the open source code. The source code and existing wallets are old and used old bitcoin core version. I need to update wallets based on latest bitcoin core. If you can handle my project, ping me.

    $35 / hr (Avg Bid)
    $35 / hr Wastani wa Zabuni
    38 zabuni

    I would like someone to create a script creates bitcoin address that would lockup input for one year. For example, if 0.10 BTC is sent to the address on 1 Apr 2019, those funds could not be moved until 2 Apr 2020. Dates can be approximate. Basically creating a blockchain enforced saving account. Would like to test the code, using a shorter timeframe.

    $374 (Avg Bid)
    $374 Wastani wa Zabuni
    13 zabuni

    We are looking for contents for a cryptocurrency website in following categories Latest news about cryptocurrency Latest innovations about cryptocurrency Individual currency updates and news. Ex: bitcoin, tron or any other coin Latest ICO's Blockchain technology news and updates Blockchain latest implementations adaptations. We need these contents on a regular basis. Only EXPERT HAND...

    $70 (Avg Bid)
    $70 Wastani wa Zabuni
    45 zabuni

    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

    $2339 (Avg Bid)
    $2339 Wastani wa Zabuni
    24 zabuni

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