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.

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    56 jobs found, pricing in USD

    I want a mobile app created by Android Studio to track traveler's bags by using RFID and blockchain techniques and save the information in Oracle Database. Oracle Blockchain Platform is the Oracle implementation based on the Hyperledger Fabric platform for creating allowed networks

    $250 - $750
    $250 - $750
    0 bids

    In Urgent Requirement of TRON Smart Contract for Website

    $83 (Avg Bid)
    $83 Avg Bid
    2 bids

    Hi i am looking for a developer who can create smart contract on traon ( for invenstment purpose) not for token [login to view URL] this type of smart contract. apply with tron word only

    $134 (Avg Bid)
    $134 Avg Bid
    3 bids

    I need someone who can code a Tool Or A script for me with the help of blockchain and PythOn To show Some money

    $232 (Avg Bid)
    $232 Avg Bid
    4 bids

    Create an secure online btc or eth wallet for me !

    $37 (Avg Bid)
    $37 Avg Bid
    2 bids
    Bitcoin Dev ! 6 days left

    Create an secure online btc or eth wallet for me !

    $273 (Avg Bid)
    $273 Avg Bid
    6 bids
    Shukria sawant 5 days left

    Want to hire blockchain expert

    $7 / hr (Avg Bid)
    $7 / hr Avg Bid
    4 bids
    smart contract on for tron 5 days left
    VERIFIED

    Hi i am looking for a developer who can create smart contract on traon ( for invenstment purpose) not for token [login to view URL] this type of smart contract. apply with tron word only

    $20 - $167
    Sealed NDA
    $20 - $167
    1 bids

    I know how to create a custom stellar token it takes like 10 minutes or so , i can provide quantity token symbol and token name and will give you logo for it and also base stellar i.e 75+75 for issue and distribution account so that you can make the token public.

    $25 (Avg Bid)
    $25 Avg Bid
    1 bids
    smartcontract 5 days left

    I need my website re-configured.I need you to build it.

    $7 / hr (Avg Bid)
    $7 / hr Avg Bid
    1 bids
    bitcoin fork 5 days left
    VERIFIED

    new cryptocurrency software. It will be done with a bitcoin fork.

    $783 (Avg Bid)
    $783 Avg Bid
    9 bids

    I need python expert to create a software for me, the software can detect the transaction then auto buy and sell in uniswap, this is the uniswap python doc [login to view URL], I have also a API to detect transaction, actually this is a bot, please bid only expert, type "Python expert" in your bid so I know your reading and not and spam.

    $126 (Avg Bid)
    $126 Avg Bid
    15 bids

    Req Smart Contract Developer for my website

    $124 (Avg Bid)
    $124 Avg Bid
    3 bids

    Needed Smart Contract Integration for Website in TRON COIN (TRX) Connect via Teamviewer / Anydesk

    $20 (Avg Bid)
    $20 Avg Bid
    1 bids

    Req Smart Contract Developer for my website

    $101 (Avg Bid)
    $101 Avg Bid
    4 bids

    Connect TronLink to Website like MetaMask, Integration Only like Blockchain

    $91 (Avg Bid)
    $91 Avg Bid
    4 bids

    Need to Integrate Tron (Cryptocurrency) Wallet in Website to Receive / Send Payments (Smart Contract) Connect by Anydesk / Teamviewer

    $246 (Avg Bid)
    $246 Avg Bid
    2 bids

    We need something creative like the animation to explain our topic of blockchain and cybersecurity. narrators shall be two of us and our face is required to be seen. Therefore if any creative people out there, please reply

    $208 (Avg Bid)
    $208 Avg Bid
    18 bids

    I want a full service bitcoin wallet and merchant service with all the features if Bitpay or [login to view URL] with bitcoin as the only source for payment. I need anybody to be able to accept payments using this platform without having to apply for a merchant account. Easy to use copy and paste merchant embed code into a users website is a must as well as more complicated shopping cart integrati...

    $2218 (Avg Bid)
    $2218 Avg Bid
    17 bids

    Hello There! Trust Wallet code link: [login to view URL] Link of desktop wallet LQX Coin: [login to view URL] (linux) [login to view URL] (windows) The basic manual for compiling and deploying the application for Android and IOS must be prepared Scope: 0. Add the LQX Coin coin to the wallet portfolio and test the sending and receiving of coins. When you're ready send me the address and I...

    $21 - $179
    Sealed
    $21 - $179
    0 bids

    Help me to build a blockchain platform..

    $212 (Avg Bid)
    $212 Avg Bid
    14 bids

    An ICO and asset tokenization service provider is looking for a marketing executive for its Cryptocurrency and DeFi business development issues. Payments are based in crypto coins and tokens in a monthly basis. Applicants must have massive experience in initial exchange offerings (IEO) and initial coin offerings (ICO) marketing and business development.

    $19 / hr (Avg Bid)
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    3 bids

    Hello There, Only expert follow the project More detils via chat box . Thank You

    $21 - $179
    Sealed
    $21 - $179
    5 bids

    A project which is built based on Ethereum ERC 20 token is hiring an experienced auditor to regulate and audit the token and smart contract. Only experienced auditors with previous works should apply for this position. Auditors should evaluate and check the smart contract and the system architecture and provide an accurate report to claim the performance and efficiency of the smart contract and se...

    $732 (Avg Bid)
    $732 Avg Bid
    5 bids

    I am interested in developing a mobile APP and desktop website with the following functions that you can see in these 2 websites: [login to view URL] [login to view URL] basically we have some trading strategies that we want to sell to retail customers and set for them automatically. Here some more details. My apps must do the following things: - create an erc20 wallet when downloaded on th...

    $4933 (Avg Bid)
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    35 bids

    I need an exact web and DApp functionality of a DApp website. Kindly bid if you have experience with Smart Contracts and DApps.

    $137 (Avg Bid)
    $137 Avg Bid
    2 bids

    I need a blockchain-based distributed application designed for providing security to multimedia data such as images, video etc.

    $122 (Avg Bid)
    $122 Avg Bid
    3 bids

    Looking for Co-founder, who should be self motivated and passionate about blockchain in Etherium and hyperledger networks. I have created a MVP and want to move at next stage of commercial stage for funding and business. What's the status of the project? MVP? Check. [login to view URL] Commercial Website? WIP Explainer vid? WIP Business & Financial plan? Ready, Keep changing Customer...

    $3 / hr (Avg Bid)
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    2 bids

    Create an secure online Crypto Wallet for our company !

    $176 (Avg Bid)
    $176 Avg Bid
    8 bids

    Need someone experienced on the above , and who has done projects in them to submit a short research report , answering a few specific questions , and recommending a rough logic/algorithm for implementing a function in crypto .. The task can ideally be finished quite quickly for someone experienced who has done this before. Key Questions : 1) About building unique digital assets for existing ...

    $55 (Avg Bid)
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    5 bids

    I need a single link smart contract with auto upgrade on ETH chain. Level 1, 0.01, 2 partners. Level 2, 0.015, 4 partners. Level 3, 0.04, 8 partners. Level 4, 0.2, 16 partners Level 5, 0.5, 32 partners Level 6, 1, 64 partners. Level 7, 5, 124 partners. Level 8, 10, 284 partners. Level 9, 20, 568 partners. Level 10, 30, 1136 partners.

    $652 (Avg Bid)
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    4 bids
    Bitcoin experts 3 days left

    Beseeching fot bitcoin and blockchain experts to build platform.

    $365 (Avg Bid)
    $365 Avg Bid
    9 bids

    I’m looking for a backend developer with minimum of 5 years experience and proven track record in open banking and PSD2 regulations. The solution will be a headless service that can serve both android and iOS mobile applications as well as php, nodejs and .NET sites. There will probably be elements of blockchain technology to ensure and validate user transactions and the developer need to h...

    $20 / hr (Avg Bid)
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    12 bids

    Website where users convert their crypto to pay Australian Bill or Australia Dollar bank account Needs multiple API's to verify identity , crypto transfer , sell crypto and send payment details to my bank to pay. Need to build website and APIs and create a full working website.

    $2272 (Avg Bid)
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    44 bids

    Looking for 1-2 developers with experience on Hyperledger, smart contract, blockchain, ethereum.

    $22 / hr (Avg Bid)
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    18 bids
    Cryptocurrency P2P platform 2 days left
    VERIFIED

    Crypto P2P platform with language translator and geo location.

    $943 (Avg Bid)
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    12 bids

    This website will have: - Game (game + relevant Admin Panel data + provably fair) - Deposit and withdraw (Bitcoin + Welcome Bonus) - Affiliates (Invite users for % of commission with affiliate code/link) - Level up (levels up the user and users receive rewards) - Chat (including moderators) - etc Message me for more information including document with the features + requirements, images ...

    $4416 (Avg Bid)
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    23 bids

    I looking for Hyperledger Fabric & Compose/MongoDB/REST API, Expert to build Build Blockchain application use Hyperledger fabric & Composer enable to share Customer private data with Service provider throw BlockChain Ledger. Regards

    $662 (Avg Bid)
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    25 bids

    I am looking for a top quality smart contract developer to work on smart contracts that will be audited by OpenZeppelin and ConsenSys. That means that the code has to be top quality and stand up to the highest level of testing before deployment.

    $1410 (Avg Bid)
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    9 bids

    Experience in building a blockchain main chain especially for NFT market forking any exisitng project and rebuilding is also fine... especially looking to fork Ethereum or Tomochain or EOS or Tron anything which has NFT

    $2344 (Avg Bid)
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    33 bids
    blockchain/ kraken api 1 day left
    VERIFIED

    looking for a dev to integrate a crypto withdraw function using kraken api. can also integrate stellar codes

    $678 (Avg Bid)
    $678 Avg Bid
    9 bids

    hello i have lose my bitcoin wallet address privet key .and i need my bitcoin wallet address privet key so anybody can get that privet key of my bitcoin. then bid this project

    $2720 (Avg Bid)
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    5 bids

    I am looking for highest level blockchain developer

    $133883797311639 (Avg Bid)
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    12 bids

    Hello i need a developer that can develop smart contract for me

    $8925 (Avg Bid)
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    36 bids

    I'm looking to have a basic Solidity contract made with the following functionality: - Initialize/create the contract with an array of n authorised addresses, where n is an arbitrary number of Ethereum addresses - The ability for authorised addresses to write an arbitrary string to the contract's event log - The ability for authorised addresses to authorise new addresses

    $161 (Avg Bid)
    $161 Avg Bid
    7 bids

    I need a well experienced blockchain / defi developer to help plan a decentralized finance system in our team This is not a job about development, this is about planning and writing, advising on direction and core of the system prefer native speaker

    $445 (Avg Bid)
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    7 bids
    block chain 1 day left
    VERIFIED

    I need a new website. I need you to design and build it.

    $17927 (Avg Bid)
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    15 bids

    - Fork the latest EOSIO source code - Rewards split 10% to 9-delegators, and 90% to an address - Linux, Windows, Mac Wallets - Add simple token creation feature and token creation web page

    $1210 (Avg Bid)
    $1210 Avg Bid
    10 bids
    Bustabit Predictor -- 2 1 day left
    VERIFIED

    Dear Team, Please reffer [login to view URL] website, we want a predictor which can show green and red prediction or above 2 and Below 2 prediction with 99% accuracy. Compatible with Windows 10 or windows 7 Thanks & Regards

    $870 (Avg Bid)
    $870 Avg Bid
    5 bids
    Hyperledger Fabric Expert 1 day left
    VERIFIED

    Hello, We are going to build a simple Hyperledger Fabric network. It is not for commercial purpose, a sort of test running. Hope you can also build the frontend part as well. We would only work with an candidate who has extensive experience in building and handling HLF.

    $1325 (Avg Bid)
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    10 bids

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