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    22 jobs found, pricing in GBP

    I’m interested in building a node explorer similar to the following one: [login to view URL] Some of the code used for this project can be found here: [login to view URL] The difference would be to build one for the following coin: [login to view URL] Their developer tools can be found here: [login to view URL] If someone have experience with the same/similar, please apply

    £3376 (Avg Bid)
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    12 bids

    I need a blockchain Hyperledger For my app

    £2398 (Avg Bid)
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    14 bids

    Contact me for more info. Lets discuss on my requirements. Its a startup.

    £2352 (Avg Bid)
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    9 bids

    Pm me for more info. Its a browser based gambling dapp. Note this is a start-up project.

    £1006 (Avg Bid)
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    11 bids

    Hello to all! I present a new startup based on cryptocurrencies (Bitcoin, Ethereum, etc.). At the moment we are developing a web wallet that works as an extension in Google Chrome. We need developers that meet the following requirements: 1. Knowledge of JS, NodeJS, using ES6 standard; 2. Using Webpack, Gulp; 3. Experience of developing Google Chrome extensions. 4. Experience in web frontend devel...

    £40 / hr (Avg Bid)
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    22 bids

    Hi I am looking for someone to create an app on the ethereum network. Our app is complete already. We just need to add the eth smart contracts. Please have experience and be available to start doing work.

    £1953 (Avg Bid)
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    26 bids

    i need to create a token and integrate it to the website.

    £479 (Avg Bid)
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    22 bids

    Hi I am looking for someone to create an app on the ethereum network. Our app is complete already. We just need to add the eth smart contracts. Please have experience and be available to start doing work.

    £592 (Avg Bid)
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    22 bids
    ethereum developer 4 days left
    VERIFIED

    Hi I am looking for someone to create an app on the ethereum network. Our app is complete already. We just need to add the eth smart contracts. Please have experience and be available to start doing work.

    £501 (Avg Bid)
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    16 bids

    I have forked a dapp and turned into a similar game, but one of the functions is not working. It's developed on tron blockchain. I need you to see the smart contract and see what needs to be fixed.

    £129 (Avg Bid)
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    13 bids
    create a masternode coin! 4 days left
    VERIFIED

    i need to change my current erc20 token to a masternode token like dash i already have own erc20, just need to swap it.

    £384 (Avg Bid)
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    12 bids

    I am looking for a programmer to develop a birth registration application in solidity, can be a simple application

    £346 (Avg Bid)
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    7 bids
    Looking for crypto trader 4 days left
    VERIFIED

    We are a company based in Dubai and We are looking for experienced freelance traders, who can join our dynamic and dedicated team. Who are we? Teroxx is one of the first digital asset and digital currency trading houses in the world! Working closely with regulators, Teroxx is on its way to implement an international concept for cryptocurrency trading and investments in blockchain technology and i...

    £41 / hr (Avg Bid)
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    17 bids

    Hello, We want to create a crypto-asset which here is the context: Our company FAZUP manufactures and markets a device that greatly reduces the amount of electromagnetic waves absorbed by smartphone users. It is an extra fine passive antenna, in the form of a patch, which is positioned very precisely on the back of the mobile phones, with respect to their main antenna location. The FAZUP patch r...

    £11 / hr (Avg Bid)
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    26 bids

    Need an experienced solidity smart contract developer. Must be able to write tests using openzeppelin framework. Attach all past smart contract jobs & projects or you won't be considered

    £6 / hr (Avg Bid)
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    6 bids
    Exchange platform 3 days left
    VERIFIED

    Bitcoin, litecoin and ethereum exchange with fiat currency

    £1294 (Avg Bid)
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    35 bids

    We need to do penetration testing to our smart contract on Rinkeby and need to static analysis as well. We need to complete this static & dynamic analysis ASAP before you launch the contract on mainnet. The developer needs to have expertise in Solidity and have extensive experience in Solidity smart contract audit and penetration testing. Please follow up with portfolios.

    £555 (Avg Bid)
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    13 bids

    We have a running DEX but on running market [login to view URL] tech spec we want. Specifically we want to build a [login to view URL] like exchange. 1. Front end totally change (use react or any other tech) 2. Full source code need to be provided 3. Backend server 4. Token listing/integration process 5. Deploy on digital ocean 6. 2 color theme daymode and night mode ** All resource are avi...

    £1183 (Avg Bid)
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    23 bids

    We need to do penetration testing to our smart contract on Rinkeby and need to static analysis as well. We need to complete this static & dynamic analysis ASAP before you launch the contract on mainnet. The developer needs to have expertise in Solidity and have extensive experience in Solidity smart contract audit and penetration testing. Please follow up with portfolios.

    £536 (Avg Bid)
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    11 bids

    We are looking for Blockchain Expert who can work on our various projects. There are so many tasks that you have to implement and if you are right person, it will be long term contract. I'm looking for Real Expert have at least 2 years of experience in this field. You are needed to show some previous works that you have done and explain about it. Must work on US timezone. There might be over...

    £17 / hr (Avg Bid)
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    39 bids
    Betting site -- 2 19 hours left

    Hello my name is Giovanni. I was wondering if someone in here could make me a professional betting site. Please contact me for further discussion. Best regards.

    £2129 (Avg Bid)
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    42 bids

    we want to build a cryptocurrency exchange not token exchange not ICO website crypto exchange BTC BCH ETH LTC XRP NEO USDT TRX all coins should be able to trade with each other as pairs. *** you can download requirements document and read that in depth and word by word *** if you want to have a chance to choose as this project freelancer, you should read t...

    £4597 - £7661
    Featured Sealed
    £4597 - £7661
    96 bids

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