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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    46 jobs found, pricing in USD

    Hey, freelancer. I am going to develop the blockchain platform to prevent and check the correction of the product. If you have experience in the blockchain development, please apply. Regards,

    $2070 (Avg Bid)
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    13 bids

    We're looking for a very good, fast working solidity developer to assist us with a short project to edit and test an existing solidity project that will need to be in production before the end of this month. You will require a good understanding of blockchain technology, as well as the ability to work in Ubuntu to configure a local database, edit the js scripts, set up a token on the Ropstein...

    $20 / hr (Avg Bid)
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    13 bids

    We're looking for a very good, fast working solidity developer to assist us with a short project to edit and test an existing solidity project that will need to be in production before the end of this month. You will require a good understanding of blockchain technology, as well as the ability to work in Ubuntu to configure a local database, edit the js scripts, set up a token on the Ropstein...

    $536 (Avg Bid)
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    18 bids

    We're working on launching a decentralized bookmaker app where users can also be the players on their favorite games. The main features are: Event hosting: users can host game events where they compete on their favorite games. All event participants require to place a deposit in advance and the deposits are distributed between players. Betting: Other users can also have fun by betting on wh...

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    Easy Blockchain Project 6 days left
    VERIFIED

    [login to view URL] I need somebody to do what's been done in the video (see video link).

    $141 (Avg Bid)
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    18 bids
    Solidity app 1 6 days left

    Project as described in chat + sent notes.

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    6 bids

    Project as described in chat + sent notes.

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    Solidity app 6 days left

    Project as described in chat + sent notes.

    $165 (Avg Bid)
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    5 bids

    Hello, have you already developed on ETHEREUM? Besides the token, can you create a web platform that interfaces with the blockchain? The token will be the trading currency of the platform for all transactions. Transactions must be confirmed via Metamask (or other Ethereum wallet application) the DAPP is a simple web platform with the following features: - creation of a smart contract for th...

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    Bitcoin payment method

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    I need a blockchain expert. to consult me and help in making payments.

    $64 / hr (Avg Bid)
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    16 bids
    Bitcoin Wallet 5 days left
    VERIFIED

    We have a bitcoin wallet template done in Xamarin Forms. It is a simple send and receive wallet using QR Code. We are looking for someone to do the backend development work using nbitcoin. This is 1 day of work. Must be proficient in: -C# -Zxing -Xamarin Forms -nbitcoin library

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    I am looking for some good experienced developer to develop a bitcoin client, with the feature to send fake transactions to the chain. All I need is for the transaction to be shown in the blockchain, obviously I don't expect them to ever get confirmed! analog [login to view URL] * developer must deliver alpha version first to show(no video or images, executable files) * after payment, deve...

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    Hey Crypto geeks! I need help with integrating Monero with my DEX Exchange. Only bid if you have the skills needed and have the experience. Any questions please dont hesitate contacting me.

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    5 bids

    Please check the script in Laravel and I need to install this make this script a dApp [login to view URL] We need to convert it to dAapp? Decentralized App. You can suggest which token or technology is best like Ethereum/Tron/ blockchain

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    We are looking for someone to build a mobile app and blockchain to to interact with one another. The Blockchain will need to be built using the Hyperledger Iroha platform (super easy to do this part). The app must also interact with an NFC Chip. The correct individual must be able to build front and back end of mobile app. Experience with encryption (256bit AES CBC Encryption). Experience with re...

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    I need you to develop some software for me. I would like this software to be developed for Linux.

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    Hello, have you already developed on EOSIO? I'm looking for a developer to create an EOS DAPP: Smart Contract with Relative Token e Web Platform. The programmer must be aware of EOSIO's blockchain technology and show qualifications. Serious and urgent work. Besides the token, you must create a web platform that interfaces with the blockchain! The token will be the trading currency ...

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    Hello, have you already developed on EOSIO? I'm looking for a developer to create an EOS DAPP: Smart Contract with Relative Token e Web Platform. The programmer must be aware of EOSIO's blockchain technology and show qualifications. Serious and urgent work. Besides the token, you must create a web platform that interfaces with the blockchain! The token will be the trading currency ...

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    12 bids

    Hello, have you already developed on EOSIO? I'm looking for a developer to create an EOS DAPP: Smart Contract with Relative Token e Web Platform. The programmer must be aware of EOSIO's blockchain technology and show qualifications. Serious and urgent work. Besides the token, you must create a web platform that interfaces with the blockchain! The token will be the trading currency ...

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    create a coin on ether 4 days left
    VERIFIED

    hello, I am looking to create a coin on ether. I am looking hire right away. Please send linkedin. Thank You

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    Please read provided PDF for full job description. Placeholder bids and proposals that do not fully encapsulate the scope of work WILL NOT BE CONSIDERED.

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    Private community blockchain with a fully usable admin panel. May also be a need to connect it to an existing mobile app and possible e-commerce site creation

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    Technical article writing 2 days left
    VERIFIED

    I need a technical article of 1000 words with facts and graphs on any of the following subjects: a. Adoption of blockchain in online gaming industry and how it is changing gaming b. Possible use cases of implementing IoT in gaming c. Possible use cases of implementing IoT in It Infrastructure Management d. Using blockchain in HR Systems (recruitment/hiring/HRMS/employee engagement/payroll etc) e. ...

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    Project manager in blockchain 2 days left
    VERIFIED

    I need some help with my business. For Project Managers A manager who organizes the business plan, improves projections, metrics and financial metrics, organizes and creates project documentation, and manages budgets and closes with the best team for the needs I have. Our work is focused on blockchain and we are now devoting ourselves to the stellar, theta and Dovu protocols. Profound Knowledg...

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    need someone to write an app based on the DAML language.

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    Looking for a skilled IT developer to build Bitcoin drop-shipping service for consumers. Detailed information will be provided via PM.

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    I need to add some changes to this script.

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    I need to add some changes to this script: - attach a proof of payment of the bank transfer within a certain period of time in minutes with a countdown displayed, if it has been attached then the order is awaiting payment and in the admin area I can see the attachment and if that file is correct or not, if it is not then I can delete the order with automatic notification to the customer. - during...

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    Blockchain development 1 day left
    VERIFIED

    We need a parity substrate based blockchain, similar to a project named edgeware ([login to view URL]). Although some characteristics would differ.

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    I am Dennis Walters a member of the locus chain foundation group. We are looking for a Blockchain developer who is capable of integrating a smart contract.

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    we are looking Freelancer Blockchain Technology Trainer only in India. Training Hands-on projects Blockchain Hands-on Implementation Block chain based crypto currency Implementation. Block chain based smart contract.. Many more

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    2 bids
    EOS DAPP and Relative Token 1 day left
    VERIFIED

    Hello, I'm looking for a developer to create an EOS Dapp + relative token. Company based in Italy. The programmer must be aware of EOSIO's blockchain technology and show qualifications. Serious and urgent work. Please contact me if you are interested. Thank you.

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    If you have ever successfully created an Everipedia article, please apply! EOS blockchain specialists familiar with Everipedia are also welcome to apply. We are looking for someone proficient with Everipedia (one of the largest online encyclopedias) to transfer articles from Wikipedia and other wiki sites to Everipedia (we are already proficient with Wikipedia). Everipedia encourages paid freel...

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    ***Please apply ONLY if you have successfully written and posted an Everipedia article OR are familiar with EOS blockchain technologies.*** If you have ever successfully created an Everipedia article, please apply! EOS blockchain specialists familiar with Everipedia are also welcome to apply. We are looking for someone proficient with Everipedia (one of the largest online encyclopedias) to tra...

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    I need a simple bitcoin payment script that automatically delivers the buyer a secret hash after successful payment. This hash will be used to login for my site when it’s ready. The price will be set to $99usd for my product and after successful payment they will receive an automatic code which be used to login to my site. No one else should ever be able to see this code as it won’t be...

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    I need some help with my business... Consultation required for e-commerce footwear startup. Looking forward to help me as an Mentor for very long term.... please note - Experts in footwear industry is the main requirements here...

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    Experience in building a trading app. Need to develop using the latest techno.

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    I'm looking to get an application made on solidity or hyperldger that allows users to post p2p loan offers or requests using smart contract. The person borrowing the loan must send collateral to a smart contract address before taking the loan and they will be able to borrow a certain percentage of the value of their collateral (default 50%) i.e. if they have 1 eth to use as collateral the...

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    Looking for expert blockchain developer who has good knowledge and expertise on creating wallets for crypto coins. I have a code of new coin and I want developer to look into the code and figure out how to create wallet out of it.

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    How blockchain technology would be used in warhouse hosue managemen , please share references

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    I want a decentralized service as simple as can be. Users will pay into the smart contract and will be tumbled / mixed and the outcome will be safe / anonymous ether. Admin address will receive 1% commission on all transactions. Gas fees will be covered by the person making transaction. The focus should be on speed and anonymity!

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    An application like f-b built using BC

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    I need to set up my own ARK server using AWS, however I am not sure how to do it. Please apply if you are familir with ARK's core - commander. [login to view URL]

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    Contiki, NS3 tools expert 4 hours left
    VERIFIED

    Check the attached files for reference

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    For our project, we have created a smartmeter to connect via nodemcu wifi module to adafruit and use MQTT to publish on node-red for blockchain integration. The issue is even though MQTT connection works just fine, I am having trouble connecting to my blockchain and adding blocks. there are plenty errors when it comes to pushing to blockchain. Node-red and blockchain knowledges are required to res...

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