Blockchain is a distributed register that is used to maintain a continuously growing list of records, called blocks. It has revolutionary applications in finance (such as cryptocurrencies like Bitcoin) and decentralized applications like online voting.

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    26 jobber funnet, priser i USD

    I need an arbitrage TELEGRAM bot just the bot interface not the arbitrage software I already have the software a full example is below [logg inn for å se URL] 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.

    $160 (Avg Bid)
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    Mobile Wallet Developer Required 5 dager left
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    I want someone who can build a mobile Ethereum wallet and web3 dapp browser like Cipher Browser. You can use the Ethereum Library from [logg inn for å se URL] I need the apps for IOS and Android. Please bid only if you understand what I need.

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    Sample exchange :: [logg inn for å se URL], with the following features like investbox, dice, freecoins.

    $1924 (Avg Bid)
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    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...

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    Blockchain Dapp Development 5 dager left
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    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.

    $36 / hr (Avg Bid)
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    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. [logg inn for å se URL] Your job will be; 1. Go through the URL and understand what is...

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    I have small task for experienced Qt developer. Must be have Qt developing environment on ubuntu OS. Prefer have knowledge of blockchain.

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    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.

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    I A M - Block Chain 4 dager left
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    Identity And Access Management. User can connect all the utilities / loyalty programs and transactions through his account. User can enable / disable / restrict the access of his private-data sharing. Transaction history payment gateways linking Wallets linking

    $6 / hr (Avg Bid)
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    We want to make a pilot project and adopt a tokenexchange for enterprise use. Our aim is to evaluate and learn how this goes and need developers who are understanding ICO/STO and can helpnusbwith building a reference token exchange to experiment with and develop it into a future rral project. Scope: identify open source projects to start with. Help with branding hardening and implementing UI Templ...

    $30 / hr (Avg Bid)
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    Blockchain Security 51% Technique 4 dager left
    VERIFISERT

    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. [logg inn for å se URL] Your job will be; 1. Go through the url and understand what is expected. 2. Choose a low hashing coin w...

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

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    c++ expert needed 3 dager left

    i m looking for c++ programmer who have blockchian skills , only apply if you are expert in this area.

    $20 / hr (Avg Bid)
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    Professional look of Dex like:- [logg inn for å se URL] All token support of Eth and neo BlockChain Example of exchange :- [logg inn for å se URL] [logg inn for å se URL] [logg inn for å se URL] Let me know if you can help

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    ◆ About the item It becomes customization of Ethereum's main chain. ◆ Overview ・ Fixing critical issues (below), incorporating ※ As for the amount of work, it seems to be one to several days. ◆ problem 1. Important issues ・ SafeMath library was not used In transfer / transferFrom function, overflow may occur, It can lead to the loss of all funds 2. Minor issues ・ Constructor name remains d...

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    I m looking for full stack js guy who can complete my project, blockchain knowledge, block explorer skills and api skills needed. Only expert bid here

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    Ongoing position, full time. Can you keep track of 198 moving tasks in your head? Not only that, you know which task has to be done before another, what are the tradeoffs of doing one before another, who is more fit to do each task, while making sure everyone is working on something important. And when asked, you can respond within 0.1 seconds, "yup, that will be done by 9:59 PM today&quo...

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    Blockchain Prototype 2 dager left
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    We need (1) consultancy service; and (2) prototype development for a Blockchain project. It is not a full fledged platform, it is more a prototype, or a demo version of the platform. The project should include the research covering conceptual and technical aspects, and a prototype to show implementation. The paltform should be desinged for charitable organization to receive/spend funds.

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    Hello, we're looking for a Ruby on Rails developer to work on the back-end of a cryptocurrency exchange. You'll join a team of 3 Ruby on Rails developers, follow the main developer instructions and work on the API part of the application. The front-end is done by another developers in React/Redux. You must know the best practices and be able to give advices on developments. Please det...

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    Switching a testnet to mainnet 2 dager left
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    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.

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

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

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    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...

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    Blockchain Article -- 2 1 dag left
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    Hi, I need someone who can write about Blockchain technology. I would prefer Blockchain Developer to work on this as I want the latest happening in the Blockchain world.

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    Blockchain and economic writer 1 dag left
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    Hello I am looking for a very good writer that write very well about cryptocurrency and financial markets. Please be professional and savvy.

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    195/5000 I need a professional to do editing in app open code of Ethereum only opening logo and text to remove buttons make an arrangement for play store call me on the chat to know more I need you to do it in a few hours.

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