Blockchain Jobs

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. Hire Blockchain Developers

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    36 jobs found, pricing in USD

    Building supply chain management using blockchain for super market

    $27 / hr (Avg Bid)
    $27 / hr Avg Bid
    3 bids

    ERC20 token listing with 1 - 2 eth budget.

    $544 (Avg Bid)
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    19 bids

    hello! we are looking for people who can get us a decentralized crypto exchange you can looking at this website [login to view URL]

    $2425 (Avg Bid)
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    12 bids

    Need a Full stack developer who have some basic knowledge about cryptocurrency, blockchain, and are familiar with the following stack: Node.js, React.js, Redux , AWS, DynamoDB, the ideal candidate should have worked with several successful projects, is an ***excellent front-end developer*** The brokerage needs to have a payment mechanism for depositing the fund, as well as a dashboard for viewing...

    $18 / hr (Avg Bid)
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    38 bids
    cryptocurrency 6 days left
    VERIFIED

    i want to create a cryptocurrency for payment.

    $404 (Avg Bid)
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    20 bids

    I'm fonder of ALFASSA ( [login to view URL] ) and I need a BlockChain's programmers

    $8605 (Avg Bid)
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    21 bids

    I am looking for a blockchain developer experienced in setting up Electrum wallets. Project's description and features is attached.

    $380 (Avg Bid)
    $380 Avg Bid
    8 bids

    Hi. I am going to develop new blockchain. I will share details for right freelancer.

    $1060 (Avg Bid)
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    30 bids
    Needed ERC20 token Service 5 days left
    VERIFIED

    We need ERC20 token Service Developer. We are looking for a highly skilled developer who can provide us ERC20 Services. We are looking for • Get Balance • Token Send/Receive • Token Address Generation • Transaction History Please Note: • You will need to handover the full development source code to us. • Should be developed with PHP CodeIgniter. • We need the se...

    $543 (Avg Bid)
    $543 Avg Bid
    18 bids

    1. Create a masternode coin like pivx 2. Create block explorer 3. Create QT wallets ( Win - 32-64, Linux, Mac ) 4. Publishing source code in github [login to view URL] masternode guide 6. guide to install the seednode Please note : I require only professional developers , I will first check if the coin chain is smooth or not I mean no bugs in the coin or proof of stake

    $1186 (Avg Bid)
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    8 bids

    We need to develop and execute a training program in Blockchain

    $525 (Avg Bid)
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    13 bids

    Looking to get an app built on the EOS blockchain that allows riders to receive tokens for their driving service similar to UBER in the Cleveland area. Must have understanding of GPS.

    $4371 (Avg Bid)
    $4371 Avg Bid
    26 bids
    Cleveland, Ohio EOS Uber App 4 days left
    VERIFIED

    Looking to get an app built on the EOS blockchain that allows riders to receive tokens for their driving service similar to UBER in the Cleveland area. Must have understanding of GPS.

    $2325 (Avg Bid)
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    14 bids

    I need a Blockchain Developer capable of producing a fork with basic Blockchain Adjustments like Block Time, Block Reward, Block Halving, Etc. We would like a wallet implemented and designed as well along with several additional aspects to the development but nothing to extensive. We would require someone with at least 2-3 years experience with Blockchain Developer. ***NOT SMART CONTRACTS! SOL...

    $36 / hr (Avg Bid)
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    40 bids

    I need complete guide to create qt wallets, genesis block, block explorer, block chain from scratch. Finished product should include guide for bash file for easy setup of a masternode VPS on Ubuntu 18.04, and QT GUI wallets for Linux, Windows, Mac. Finished blockchain should not have Proof-of-work mining capabilities. All GUI wallets should be capable of hosting masternodes, have an explorer optio...

    $908 (Avg Bid)
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    4 bids

    I receive error when i try mint zerocoin, so i need to fix it

    $25 (Avg Bid)
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    1 bids

    Hi! I want my iOS app to be developed in React Native. It's an app like Uber. I have the Android & iOS version already made up using Objective C. Design & all the things will be same as the existing app in React Native except map. The map should be created for React Native. It’s a simple map like admin can change the colors, can create own icons, colors on map etc in a word, ad...

    $1986 (Avg Bid)
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    40 bids

    I want to develop a proprietary service for my customers. Essentially, it's going to be a stripped-down version of blockchain. I need someone who is knows blockchain inside out - to the point where theyre not helplessly enamoured by it. If you know what you're doing, this is a walk in the park. If you're wrapped up in your crypto bubble, stay there, I have no use for you

    $1599 (Avg Bid)
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    33 bids
    Compile new POS/POW coin -- 2 3 days left
    VERIFIED

    I want to start a new coin POS/POW. Please bid if you have already developed coins. Looking forward for serious dev..

    $768 (Avg Bid)
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    7 bids

    I need some one to install Rubykube/peatio cryprocurrency exchange in Kubernetes or linux, and you should modify backend and frontend ui please bid if you worked kubernetes docker Ruby on rails and blockchain technologies, want to know more details plz chat with me,

    $29 / hr (Avg Bid)
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    15 bids

    fix minor issues on coinspayment gateaway. btc, eth, and ltc mostly is fixed, just that the exchange rate has a problem. [login to view URL]

    $81 (Avg Bid)
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    10 bids
    fix bug on API 2 days left
    VERIFIED

    i need a minor bug fix on coinspayment API.

    $49 (Avg Bid)
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    25 bids

    Hello. I want to make a demo of a decentralized video distribution platform using TRON. There are no ads or commercials on this site. My existing site uses Ethereum for micropayments and WebTorrent (in-browser BitTorrent) for streaming. I want to do a very simple proof-of-concept using TRON instead of Ethereum. The viewer comes to the site and uses TRON to automatically send a micropayment to the ...

    $100 (Avg Bid)
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    1 bids

    Progressive web app - to save information in blockchain MVP ... create text message or text box attach photo, take pics, save video, audio ... we want to use Fluree Blockchain Database and Decentralized Apps. database API.

    $761 (Avg Bid)
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    21 bids

    Hello, i am seeking for a developer that can build a blockchain based marketplace where user and business people are able to find each other, for example like freelancer.com is doing but for another target group. The site allows to post the needs for site members while bidding on in a competitive tender process. On the other hand seller can list their "item", user can view it and press ...

    $1753 (Avg Bid)
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    61 bids

    1) I want the logic to be implemented (along with the check on the points mentioned if they are functioning properly). User A: Seller Sends 100 User B: Buyer Receives 90 or 88 depending on network fees Transaction amount: 100 Seller Sends: 100 Escrow receives: 100 - 5 ( 3 network fees + 2 commission) = 95 Buyer Receives: 95 - 5 ( 3 network fees + 2 commission) = 90 If network fees goes high from E...

    $328 (Avg Bid)
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    6 bids

    Need to create Dapp using blockchain technology

    $532 (Avg Bid)
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    19 bids

    I need someone who is very familiar with Masternodes and how they work. I am going to create a platform like [login to view URL] or [login to view URL] A Masternode hosting and deployment platform. I’m familiar with the amount of work needed to develop something like this and it isn’t really too difficult. Fairly simple stuff. Payment will be made partially with CAD but mostly wit...

    $680 (Avg Bid)
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    23 bids

    I need someone to help with marketing and crowdsales of an erc20 token profits will be shared after crowdsales.

    $13795 (Avg Bid)
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    19 bids

    Change the code of EOS source code (just a file: [login to view URL]) to make it work on another token. One should have complete knowledge of EOS and C, C++.

    $18 (Avg Bid)
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    1 bids

    Looking to hire someone who can create a cryptocurrency exchange, complete back end. Only wanting to hire someone who has already previously built an exchange or who can build one based off another template. Only willing to spend a minimum amount of money to build the platform. Can only pay monthly, no upfront payments. Want an exchange similar to one of these: [login to view URL] [login to v...

    $983 (Avg Bid)
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    16 bids

    I have a installed hyperledger fabric (v1.3) network on multiple nodes with Kafka-zookeeper, the setup is: VM1:zookeeperOP、kafkaOP、caOP, ordererOP、peer0/peer1, orgOP、cli VM2:zookeeperHIT、kafkaHIT、caHIT, ordererHIT、peer0/peer1, orgHIT、cli VM3:zookeeperMTL、kafkaMTL、caMTL, ordererMTL、peer0/peer1, orgMTL、cli VM4:kafkaOrderer But when creating a channel, it prompt below error: $ docker exec -e "C...

    $173 (Avg Bid)
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    5 bids
    Compile new POS/POW coin 14 hours left
    VERIFIED

    I want to start a new coin POS/POW. Please bid if you have already developed coins. Looking forward for serious dev..

    $689 (Avg Bid)
    $689 Avg Bid
    10 bids
    Ether Smart Contract Audit 5 hours left
    VERIFIED

    I'm looking legal auditor for our token smart contract. You must have to have company! You should provide a genuine audit paper.

    $506 (Avg Bid)
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    13 bids
    Create a new Crypto Currency 17 days left
    VERIFIED

    Create a new Crypto Currency by Improving open source existing codes and ensure its reliability to connect to external environments, and implement sepcific specs and deliverables and high level security.

    $3419 - $5699
    Featured Sealed NDA
    $3419 - $5699
    63 bids

    some example: [login to view URL]

    $13 (Avg Bid)
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    1 bids

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