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    14 jobs found, pricing in USD

    HI, freelancers. I am looking for an blockchain developer Project Scope: 1. Configuration Private Network based PoA. 2. Configruation Wallet Thanks.

    $21 / hr (Avg Bid)
    $21 / hr Avg Bid
    9 bids

    Good day,  im looking for a coder who can build a exchange website with different cryptocurrencies for me. the websites main function is only buy and sell direct to us, it shouldnt have a trading system or something like that. User register/login - deposit fiat or cryptocurrency - user can have balance on the site - if user want to buy cryptocurrency, should send fiat to site bank, and get...

    $2611 (Avg Bid)
    $2611 Avg Bid
    22 bids

    Hello we need someone to make hot a fix for our Erc 20 based Eth token. Requirements 1- Have experience on ERC 20 based tokens and can show reference. 2- Knows how to use Putty, Winscp 3- Can teach us how to find some general bugs and errors and their fixes.

    $19 / hr (Avg Bid)
    $19 / hr Avg Bid
    10 bids

    Hi, I have a prototype in my mind that I want to test it through designing a system. If it works well, I want to add other functionalities by time. Thanks, Norris

    $20 / hr (Avg Bid)
    $20 / hr Avg Bid
    10 bids
    security of contract 5 days left
    VERIFIED

    [login to view URL] Hi, I want to have a security report form "Oyente". it should be done in 2-3 hours it is very simple because the contract in very simple. all u do is to follow the steps in the shared link. Max budget is 10 USD

    $12 (Avg Bid)
    $12 Avg Bid
    3 bids

    I am going to build a website to integrate with etherum blockchain. You must have rich experience with etherum, erc20token. This project must be finished in 10 days. Please bid if you are definitely confident in this field and add *blockchain expert in your proposal at first. Thanks.

    $1631 (Avg Bid)
    $1631 Avg Bid
    19 bids

    I'm looking for a program to perform multi-sign BTC and/or ECR20 token transactions offline and online It must support signing via hardware such as Trezor and Nano Ledger and AWS CloudHSM Java language preferred

    $181 (Avg Bid)
    $181 Avg Bid
    3 bids

    Hi - I am looking for an expert to build a network for me that I can store my data in Hyperledger burrow network. so your job is to build a network and api to store my random generated dataset into the hyperledger network- burrow. the link of hyperledger burrow is this:[login to view URL] please let me know if you need to see my data and how they are being generated, it is just random data. th...

    $229 (Avg Bid)
    $229 Avg Bid
    9 bids

    Features: - sign up -- potential sign up/sign-in option via Google/Facebook - create invite: what, what, when, where - send/share invitation - recipient receives invite via email and/or text; recipient is prompted to sign in or sign up - recipient gives rsvp response: "yes" or "no", and to post an optional message to a message board - event host and invite recipients can also, ...

    $331 (Avg Bid)
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    37 bids

    i need an expert for install a block chain and configure it until the fisrt smart contract together on skype o similar video conference tool

    $221 (Avg Bid)
    $221 Avg Bid
    11 bids
    Need Solidity Expert 2 days left
    VERIFIED

    I am looking for someone who can develop stablecoin based on TRC20. Need experiences: - strong experiences in solidity - knowledge in stablecoin - TRC20 tokenization I will tell detail requirements in our interview. At the first of proposal, please add this word - xingshunda Before hiring, I will ask experiences and test skills for the best candidate.

    $141 (Avg Bid)
    $141 Avg Bid
    3 bids
    Blockchain-based Project 1 day left
    VERIFIED

    I am looking to complete a collaborative project with somebody who can build blockchain-based applications. Familiarity with the following are an asset: Ethereum, MetaMask, Truffle, Solidity, and more.

    $740 (Avg Bid)
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    27 bids
    Trading bot 1 day left

    I need your Arbitrage trading bot mesage me with a demo

    $4125 (Avg Bid)
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    12 bids
    Setup a bitcoin node with api 22 hours left
    VERIFIED

    Hello, We are looking for someone with experience working with bitcore, bitcoind etc. We want you to setup a read-only bitcoin node that we can use to fetch data from the blockchain. It should be deployed to aws/digitalocean. It should expose an api, feel free to use either node or ruby for the api. You dont need to add any authentication etc, the barebones bitcore comes with a built-in api that...

    $297 (Avg Bid)
    $297 Avg Bid
    23 bids

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