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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    56 jobs found, pricing in NZD

    Private blockchain to share sensitive data securely between entities

    $31 / hr (Avg Bid)
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    5 bids

    We need our own Cryptocurrency for our business. As such I need an EXPERIENCED person to clone the Ripple or other similar and suitable blockchain for us. The core requirements are as follows: • Fully Pre-Mined Coin with 50000 Million coins in single wallet. • We need fast transactions to make our project viable. confirm block in 2-4 second and support 3000 transaction in a minute. &...

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    I'm looking for someone who can send me 0.01 bitcoins wich means about $80 I'm ready to pay (130$ in advance) here, but i need the coins in next hours

    $191 (Avg Bid)
    Featured Guaranteed Sealed
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    1 entries
    Building a PoC Dapp on NoS 6 days left
    VERIFIED

    I need to build a Proof of concept Dapp on NoS in order to be eligble for their sale Deadline is 30th July More information can be found here [login to view URL] Please read the post before contacting me you will have a better understanding of what to do. You can Develop the Dapp on your end but you will have to Deploy it from my end with my Public and Private key. Prior blockchain Dapp deve...

    $270 (Avg Bid)
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    I´m looking for someone who can build a PoC Dapp on NoS for me the Dapp can be anything really simple I´m hoping you as a freelancer would have some suggestions on what to build as it really dosen´t matter to me. Previous Blockchain experience / Dapp development is needed.

    $854 (Avg Bid)
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    We are building full masternode hosting service. This is very simple for the first time. only homepage, user dashboard, login function, I will give you design file. Please apply if you work on today and tomorrow. so I need to finish until Monday.

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    I am currently developing an altcoin, and I want it to have multi-algorithm capabilities. There are coins in github that have that feature, but my altcoin uses a different bitcoin version codebase than those coins, so implementing that is harder. I also want you to explain to me what you did for my learning purposes and use a version control system such as Github. Finally, I want you to answer me ...

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    Hi need to set up a smart contract in block chain, person who is available on urgent basis with reasonable prices will be given preference.

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    Hey there, we are looking for a Talented crypto developer for a revolutionary cryptocurrency project. IMPORTANT: Please note the team will get paid with our company token. We are looking ONLY for more more developer to be part our team. Our team is international and it's a great opportunity to get involved in the development of something never made before! Is important to have a good knowle...

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    Hello, We have multiple ERC20 accounts and the accounts are with multiple private keys and they are individual. we need a central access to all the account so that all the funds deposited in different accounts need to be under the primary account. Here is the working scenario,  We have a shopping portal,  each assigns each user different address to each user and user purchase the ...

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    We will give the skeleton of the paper and the market research. We just need the copywriting.

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    Need a detailed explanation of Timejacking attack ([login to view URL]) with pictures.

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    Timejacking Simulation 5 days left
    VERIFIED

    I need a simulation of the Timejacking attack on blockchain. [login to view URL]

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    We need someone who is well experienced in creating a smart contract for token burning. You should have had previous experience doing this. if found worthy, you will be hired here Asap.

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    13 bids

    we want to build Digital Identity on Blockchain. which will help users to authenticate them through different consortium. without sharing their PII information

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    3 bids

    we want to build Digital Identity on Blockchain. which will help users to authenticate them through different consortium. without sharing their PII information

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    I'm looking to create my own masternode coin project and currently looking for developer(s) to fork/build a masternode coin

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    23 bids

    I wanna develop a new coin on a new blockchain

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    14 bids
    Write a whitepaper 4 days left
    VERIFIED

    I am looking for someone with extensive writing capabilities and expertise to write for a sophisticated level of audience. In addition, the applicant needs to be familiar with blockchain technology to convert our dense notes and existing technical content into a well-polished whitepaper.

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    An industry giant is becoming the majority stakeholder in an innovative project in the blockchain sector. We are looking for an Operations Director for that innovative project . The Operations Director will be UK based, and will able to work remotely online and interact with members of the Team The Operations Director will also be required to run workshops for senior level decision makers ...

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    We're offering ongoing, hourly work to a C++ dev for a PIVX fork blockchain. If you're familiar with masternodes and PoS blockchains, tell us about your experience. Also, what is your availability regarding number of hours you can work?

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    I need an Android app. I would like it designed and built. I need an exchange wallet app for my Starr coin Its is a new coin on a new block chain

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    Trophy icon Airdrop Place Logo 3h left

    Hey everyone! I am looking for professional logo for an airdrop listing site. Here are some examples of other sites that do the exact same thing: [login to view URL] [login to view URL] [login to view URL] The site will be held at [login to view URL] I am looking for modern and clean designs. It's okay for them to be fun in nature and don't need to be too corporate. Might...

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    I need an Android app. I would like it designed and built. I need a cryptocurrency wallet app for my cryptocurrency

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    ATM Pitch Deck 4 days left
    VERIFIED

    Pitch Deck + Landing Page

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    im wanting a qoutee for somebody to enter crypto currency payments and wallets into my site

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    I need help to understand how to do it The program should: publish on testnet assume a local Bitcoin testnet node is running calculate the appropriate fees

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    I need to IMPLEMENT the core technologies comprising one or several of these areas: - Distributed databases - Cloud computing-related - Distributed systems - Consensus (Paxos, state replication...) - Fault tolerance in distributed systems - Cloud systems networking - Blockchain Languages: primarily Go. Not mandatory.

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    Details of work: ▽ Purpose and overview of system development request I'd like to create tokens based on Ethernet, We are looking for developer who can create Smart Contract using Solidity. We will contact you for the content of the Smart Contract you want to create. (The content that you would like to request is not a complicated content. I'd like to include a safe source code using a ...

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    Looking for Bitgo Wallet Expert for long term position

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    looking for someone to code to find bittorrent tracker is working or not. in php or node js

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    I want to learn to write tests in javascript. I have very little time to finish a project and need some assistance

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    I have some smart contracts that I can run on the truffle console. I need them integrated into a basic react app and some truffle javascript tests. Should be a couple of hours of work for an experienced developer.

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    Hello! I would like a READY MADE Bitcoin Lottery Script. It needs to be already developed/ready to be delivered and you need to have a demo available. Experience in PHP, Bitcoin and Blockchain is a requirement.

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    We are an ethereum clone masternode cryptocurrency project that is a few months old, listed on several exchanges and looking to add to our team. Various positions available including marketing, community management, development/design and many others. Very promising blockchain project growing very quickly! We pay in crypto currency

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    I have a new site that is like Quora and I'm looking for someone who can ask and answer common questions regarding Crypto currency to simulate content and activity on the site.

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    I have a new site that is like Quora and I'm looking for someone who can ask and answer common questions regarding Crypto currency to simulate content and activity on the site.

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    BUILD A ERC-20 CONTRACT LIKE EOS

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    I need fully a crypto currency exchange like bitbns

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    setup forkdelta from their public github on our ubuntu instance use a public privity node

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    setup forkdelta from their public github on our ubuntu instance use a public privity node

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    blockchain expert needed 1 day left
    VERIFIED

    i m looking for a block-chain expert who have knowledge in coin, exchange , chain and smart contract Development, only bid only if you have solid skills above area. need to show demo to get this job

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    background:The BON introduces a new blockchain architecture designed to achieve vertical and horizontal scaling of distributed applications. Open networks provide account, authentication, database, asynchronous communication, and application scheduling across multiple CPU cores or clusters. The resulting technology is a blockchain architecture that eliminates user fees and allows developers to qui...

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    I'm looking for experienced developer in Blockchain development. You have to describe your opinion about Blockchain development and send your links concerned with this.

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    We will be awarding this project to multiple developers. We want developers to rigorously test and audit a few smart contracts. For every loop hole or security issue found, a bonus will be released. To be awarded this project find at least one security issue in the files attached and send it in as a message.

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    I need to upgrade this fork of Litecoin: [login to view URL] A new repository with new github account needs to be created. THIS PROJECT REQUIRES ALL WALLET VERSIONS TO BE UPGRADED to reflect the most recent changes to the Litecoin Core. In addition to upgrading ALL wallet versions to reflect the most stable version of Litecoin, I will need a blockchain explorer and a basic website completed. I wi...

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    I want to hire an expert who well versed at Blockchain and Bitcoin...

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    Hello, i want a decentralized peer to peer exchange done based on Ethereum. I want custom design,charts,good interface done and some other special features.

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    ICO Quora Posts 7h left
    VERIFIED

    Need a mass Quora posts that links back to a project. I'll pay 30 seconds per post.

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