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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    30 jobs found, pricing in USD

    Need it done in 48 hours, the coin is a pow coin.. The developer that will do this must have it done in 48 hours.

    $1635 (Avg Bid)
    $1635 Avg Bid
    2 bids

    I am looking for a programmer to develop a birth registration application in solidity, can be a simple application

    $443 (Avg Bid)
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    6 bids
    Looking for crypto trader 6 days left
    VERIFIED

    We are a company based in Dubai and We are looking for experienced freelance traders, who can join our dynamic and dedicated team. Who are we? Teroxx is one of the first digital asset and digital currency trading houses in the world! Working closely with regulators, Teroxx is on its way to implement an international concept for cryptocurrency trading and investments in blockchain technology and i...

    $52 / hr (Avg Bid)
    $52 / hr Avg Bid
    7 bids

    Hello, We want to create a crypto-asset which here is the context: Our company FAZUP manufactures and markets a device that greatly reduces the amount of electromagnetic waves absorbed by smartphone users. It is an extra fine passive antenna, in the form of a patch, which is positioned very precisely on the back of the mobile phones, with respect to their main antenna location. The FAZUP patch r...

    $14 / hr (Avg Bid)
    $14 / hr Avg Bid
    10 bids

    Need turnkey solution with source code, training and support : Liquidity aggregator for own cryptocurrency exchange. REST API, WebSockets, minimal 3 platform: Binance, Bitfinex, Huobi Attach description and indicators

    $4255 (Avg Bid)
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    25 bids

    The topic of the Blog is : What is blockchain (including its features) and types of blockchain (Public, Private, and Consortium blockchain) Notes: a)Content should be unique and professional b)The tone of the blog should be user-friendly and easy to understand c)It should not be copied/duplicate from any source on the internet d)Experience in this blockchain technology would be preferred e)Shou...

    $18 (Avg Bid)
    $18 Avg Bid
    3 bids

    We need an easy to understand video about what the blockchain can bring to enterprises and for private use. The length is maximum 90 seconds and it needs to explain: 1] What is the blockchain 2] What are possibilities on the blockchain 3] Assets/aliases on the blockchain 4] Exchanges and transactions on the blockchain. Example of the quality and look-feel we expect: [login to view URL] Why we ne...

    $1016 (Avg Bid)
    $1016 Avg Bid
    37 bids

    Hello, I need to find someone who can create a Betting/Game Dapps based on the Tronx blockchain For example: [login to view URL] [login to view URL] You can provide me with game ideas, and I will choose. Regards

    $2970 (Avg Bid)
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    25 bids

    We need to do penetration testing to our smart contract on Rinkeby and need to static analysis as well. We need to complete this static & dynamic analysis ASAP before you launch the contract on mainnet. The developer needs to have expertise in Solidity and have extensive experience in Solidity smart contract audit and penetration testing. Please follow up with portfolios.

    $746 (Avg Bid)
    $746 Avg Bid
    9 bids

    We have a running DEX but on running market [login to view URL] tech spec we want. Specifically we want to build a [login to view URL] like exchange. 1. Front end totally change (use react or any other tech) 2. Full source code need to be provided 3. Backend server 4. Token listing/integration process 5. Deploy on digital ocean 6. 2 color theme daymode and night mode ** All resource are avi...

    $1572 (Avg Bid)
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    21 bids

    Hello, I need to find someone who can create a decentralized trading platform based on the Tronx blockchain For example: [login to view URL]

    $2500 (Avg Bid)
    $2500 Avg Bid
    30 bids

    We need to do penetration testing to our smart contract on Rinkeby and need to static analysis as well. We need to complete this static & dynamic analysis ASAP before you launch the contract on mainnet. The developer needs to have expertise in Solidity and have extensive experience in Solidity smart contract audit and penetration testing. Please follow up with portfolios.

    $700 (Avg Bid)
    $700 Avg Bid
    11 bids

    We are looking for Blockchain Expert who can work on our various projects. There are so many tasks that you have to implement and if you are right person, it will be long term contract. I'm looking for Real Expert have at least 2 years of experience in this field. You are needed to show some previous works that you have done and explain about it. Must work on US timezone. There might be over...

    $22 / hr (Avg Bid)
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    34 bids

    I need blockchain developers, for crypto games. Slots, roulette, dice

    $1745 (Avg Bid)
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    20 bids

    Need developer that had done a Crypto virtual banking or ICO crowdfunding site that builds under ethereum blockchain technology ERC20. The developer needs to know code igniter or Laravel to start a project. A developer needs to know Linux server, Plesk. It's very important that the website needs to be able to accept cryptocurrencies like bitcoin, Eth, LTC, and other Token. A developer needs t...

    $1317 (Avg Bid)
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    72 bids

    I need crypto marketing expert that can convert massive audience to my crypto project through airdrop and bounty tasks on Bitcointalk, telegram and other crypto related websites.

    $144 (Avg Bid)
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    7 bids

    hi I'm Faten I'm senior student CIS major I work on my senior project and I need a lot of help and someone have good experience in python and blockchain concept. the idea of my project is too simple I have already the most of important part of the code but just o want to add more features to the project. the project needs to build: - 2 web GUI and connect to the blockchain - generates...

    $201 (Avg Bid)
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    13 bids

    i am looking to customize peatio so that orders are settled onchain after trade has occurred with something like lamden clove , and deploy to AWS . the finished product will be a DEX

    $1266 (Avg Bid)
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    16 bids

    Basic Simulation of Private Block-chain Environment. Concurrency & bitcoin not required. Simulate the basic definition of block-chain. Growing list of records, called blocks, which are linked using cryptography. Each block contains a cryptographic hash of the previous block, a timestamp, and transaction data. (an open, distributed ledger concept.) You may provide me already available implement...

    $8 - $21
    $8 - $21
    0 bids
    i want a masternode software 2 days left
    VERIFIED

    I need an expert to develop a masternode software for me. I would like this software to be developed for Windows using Java or any other compatible programming language. software features include coin, masternode, and staking. Interested developer is required to be well experienced in crypto-currency, masternode and blockchain technology in general.

    $516 (Avg Bid)
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    20 bids

    We are looking for a blockexplorer similar to this [login to view URL] There is open source code for this but needs a few ui changes [login to view URL] [login to view URL] Showing also network, top 100, api, movment.

    $181 (Avg Bid)
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    9 bids

    We are looking for a developer with proven knowledge in the installation/setup of BITEXCHANGE ([login to view URL]) / crypto exchange The exchange script is installed, but we need some changes done, and hopefully have a long term relationship with a development team. If the work is satisfactory , we will continue with additional jobs for ERC-20 token integration, liquidity management module, Col...

    $208 (Avg Bid)
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    14 bids

    I am located in the United States. We have many regulations that make it difficult to do an ICO. Looking to establish an ICO from a cryptocurrency friendly Country. Helpful if you have experience marketing cryptocurrency ICO"s

    $717 (Avg Bid)
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    24 bids

    We are looking for blockchain developers to help us build or fork a blockchain for our new project.

    $2663 (Avg Bid)
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    47 bids

    We need to build a one stop shop of real estate with a decentralized storage (in order to allow users to upload all documents required to set up a loan) like [login to view URL], [login to view URL] or [login to view URL] including scanner with OCR backed to jobbing plateform like Upwork but only dedicated to mortgage brokers and banks. This operational set up have to be based on a private blockch...

    $477 (Avg Bid)
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    9 bids

    I need to create multiple address on myetherwallet via automation. I need it to be done today. If you can't finish in next few hours, please don't post.

    $40 (Avg Bid)
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    3 bids

    I have a very simple and basic car game where people can upgrade cars by paying in $. I would like to replace this payment method with crypto. Please PM and I will send more details. Thanks!

    $580 (Avg Bid)
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    28 bids

    Need consultation on blockchain project that I have. Contact me for more details.

    $177 / hr (Avg Bid)
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    17 bids

    1) Must need to build new blockchain - probably ERC-20 token or coin - must be based on proof-of-work (mineable) 2) Hybrid app is needed 3) Website update based on this must be done

    $1828 (Avg Bid)
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    61 bids

    we want to build a cryptocurrency exchange not token exchange not ICO website crypto exchange BTC BCH ETH LTC XRP NEO USDT TRX all coins should be able to trade with each other as pairs. *** you can download requirements document and read that in depth and word by word *** if you want to have a chance to choose as this project freelancer, you should read t...

    $6000 - $10000
    Featured Sealed
    $6000 - $10000
    95 bids

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