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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    Need someone that is familiar with blockchain/cryptocurrency website here: [login to view URL] roulette (remove the space to view) 1) Create an account and go to the "Roulette" game as that is what we need duplicated and managed Incentives: A) % of earnings long-term B) And much more bonuses to come There is an image attached of the Roulette game you will see

    $32 / hr (Avg Bid)
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    23 bids

    WHY US Blockdynamics is an international startup that implements Blockchain solutions for Enterprise. We believe that smart contracts and Blockchain technology have the potential to impact a vast portion of the 21st century's economy. We aim to become one of the early providers of tools in the enterprise Blockchain ecosystem. We support protocols such as Ethereum, Hyperledger, Corda, and EOS,...

    $4282 (Avg Bid)
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    12 bids

    I am needing someone to duplicate this site and be able to make changes as we want to customize it. Playing the Roulette game or something similar. website: (remove the space) https://bitsane. tech

    $16 / hr (Avg Bid)
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    63 bids

    Design, Javascript(React,Vue,Node,Angular), Python, Laravel, Blockchain, Cryptocurrency.

    $489 (Avg Bid)
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    34 bids
    Installing solidity 6 days left
    VERIFIED

    Help me install solidity 0.4.17

    $25 (Avg Bid)
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    1 bids

    We want to ramp up a project similar to [login to view URL] check out the whitepaper, maybe with some other easy understanding games and also with some Coin (Ante at [login to view URL]) but it should be also possible to use a coin which exist. Because of the high transaction (games) we need a blockchain which can handle so many transactions maybe ripple? We have a good budget please make us a off...

    $22 / hr (Avg Bid)
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    17 bids

    I'm looking for someone who have enough experience a EOS Smart Contract. This project has to finish within 3 days. Project details will discuss with chat. Required need Skill: EOS Blockchain, smart contract, C++

    $616 (Avg Bid)
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    I need a experience memory coder(s) to develope me a software program for Online Gaming in either C/C++. It will be used as a assistance for A.imin.g purposes. Experienced coders need only bid. Contact me for a more in-depth discussion.

    $1095 (Avg Bid)
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    17 bids

    Main goals: inventing the simplest technical solutions for business problems writing a technical task and setting tasks for developers (solidity, javascript, html, css) code review, control of developers and ensuring the implementation of development plans in a timely manner. The project suggests: participation in the writing of documentation; interacting with teams that develop other products; d...

    $39 / hr (Avg Bid)
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    19 bids

    Need to audit our stable coin smart contract. Interested people send me your previous work

    $180 (Avg Bid)
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    3 bids

    creating a peer to peer trading website like [login to view URL] with more features

    $1157 (Avg Bid)
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    39 bids

    I need a faucet with Steem coin integrated. I need exactly a website like this but with steem instead of doge. [login to view URL]

    $169 (Avg Bid)
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    12 bids

    I need a profitable forex trading signal

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    25 bids

    I need a profitable Forex Trading Signal and How does it works

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    We are looking for developers/coders specialized in cryptos and blockchain for a project of firmware development. We would like to get a firmware to overclock this mining hardware i.e. graphic cards (GPU) RX580 8Go. Which are the maximum hashrates performances you can get?

    $2056 (Avg Bid)
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    Requirements: 1) Must have solid experience in web and software development especially C++(I DO NOT WANT PHP WORK.) 2) Must have a solid background in Security and Cyber Security. 3) Must know how to create full nodes for the coins and tokens listed and offer liquidity solutions. 4) This is only for experienced firms and long term work will be offered! Pay will be for this project and 4 months...

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    Hi I need to be listed in 1 preferably 2 exchanges for my coin (not token) and would like to be listed in one from the list here: [login to view URL] if possible and without listing fee. Can you help with this?

    $249 (Avg Bid)
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    10 bids
    BLOCKCHAIN AUTHENTICATION 2 days left
    VERIFIED

    SOFTWARE 1. Programming language : python / Java 2. Blockchain : etherium solidity 3. Interface : PhP framework 4. API : postman MODULE 1. User Authentication 2. Device Authentication 3. Evidence collection PAYMENT 1. Maximum : USD300 total project cost 2. Payment through freelancer / paypal 3. Payment schedule : USD 50 – flow chart and algorithm USD 100 – User Authentication US...

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    My project will implement a simple supply chain management process with 3 parties (buyer, supplier, and bank. The contract will have a simple work order (amount and price/unit, total price and insurance binder for supplier) between buyer and supplier. The bank will be able to see the contract and insurance binder. Tasks are initiate work order + work complete.

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    I want to create a one slide software architecture diagram for my block chain based digital certificate storage/ (technology stack)verification

    $14 / hr (Avg Bid)
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    1 bids

    This project is only for senior experts who have proven experiences in Android&iOS wallet of several crypto assets. Need to provide several digital assets like BTC, ETH, Monero, USDT Send, Receive, Exchange between assets functions to be implemented Need import/export private key Backup wallet function need Hybrid is preferred Please describe about decentralize and centralize experiences about...

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    !! READ the REQUIREMENTS before you knock !! 1. You are expected to have good knowledge on areas such as; blockchain attacks/crypto-threats/solidity/Smart-contract/Hash-Algorithms/51% attacks/Sybil attack/. 2. You will need to figure out a security issue in the blockchain network. We can help you with that. Some issues can be 51% attack, Sybil attack, BGP Hijacking, Eclipse attack, Smart Contr...

    $8 / hr (Avg Bid)
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    I am looking for support in designing a peer to peer energy system that utilises blockchain and the lightning network. Needs to be scalable to 1 billion transactions per second. This is just a design and proof of concept

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    We are seeking crypto professionals in NYC! We are seeking everything from white paper contributors to developers and smart contract professionals.

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    !! READ the REQUIREMENTS before you knock !! You are expected to have good knowledge on areas such as; blockchain attacks/crypto-threats/solidity/Hyperledger/Smart-contract/Hash-Algorithms/51% attacks/Sybil attack/. You will be provided with any online books/Journals/articles that you will ask for regardless of how expensive they are. Programming skills required and essential. Your task ...

    $8 / hr (Avg Bid)
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    MultiSig Wallet App iOS/Android Ability to Buy and Swap crypto using [login to view URL] API Trade crypto using user existing API (binance, coinbase pro, [login to view URL]) Send and Receive Crypto Wallet Creation inc Import and Export feature Live chat support Design will be supplied and API

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    CRYPTO CURRENCY 1 day left
    VERIFIED

    developer that know Blockchain with experience with cryptonote technology sources.. like Monero and/or Bytecoin to add on our official developer team.

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    We are working on using barcodes, app , USSD or another simple tech that will be used to receive data in low income communities which will be stored using blockchain tech

    $259 (Avg Bid)
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    I am looking for partners for a new Crypto project create wallets, create token, pre sale site (ICO) we can discus about your implication possibility

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    I need some to help me deploy ethereum smart Contract asap, the code is ready, all you need is to deploy it. Nothing much!

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    15 bids

    This project is only for senior experts who have proven experiences in mobile wallet of several digital assets. Need to provide several digital assets like BTC, ETH, Monero, .. Send, Receive, Exchange between assets functions to be implemented Need import/export private key Backup wallet function need Provide multi Language Hybrid both possible

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    48 bids
    compile a coin for me 22 hours left
    VERIFIED

    Hi I want you to compile new coin for me with Explorer Windows and linux wallet Minning pool

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    Hi there, I need someone who is able to create a ethereum node and implement a smart contract which allows the deployment of certifications. Simply Entity-A releases a certificate to entity B with few details, name, expiration, this is push on the blockchain. Please contact me for more information. Fed

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    Need to Fork Litecoin 22 hours left
    VERIFIED

    Hi All, I want to Fork a coin based on LTC. Experience in Blockchain and cryptocurrency will only place the bid. Details will be shared over personal message. Thanks

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    I'm looking for a developer who can create an Erc-20 token with intellectual property written in the smart contract. So the tokens legally represent shares of the intellectual property. In our case, the intellectual property will be songs. Also written in the contract, we would like the addresses and wallet value to also be part of the token. Wallet addresses on other cryptos such as music...

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    23 bids
    Create new version of at code 18 hours left
    VERIFIED

    I want a new version of a qr code created to store more information. I want either more modules or more colours. Maybe black, white, grey, blue, green and red as an option or other option is for more modules so instead of 144x144 it can be like 555x555. I will also need to know how much data can be store in the code and how many kB the wr image itself will be

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    This is part one of a multi-part evolving project. This is webapp solution will allow users to extract the blockchain data of the users' wallets. Data will be saved to a SQL server. The webapp will also periodically capture incremental data of the wallets. The webapp will then allow the user to view their wallet ledgers and token asset summary. To keep this project small and on budget, we w...

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    This project is only for senior experts who have proven experiences in mobile wallet of several digital assets. Need to provide several digital assets like BTC, ETH, Monero, .. Send, Receive, Exchange between assets functions to be implemented Need import/export private key Backup wallet function need high security Several Language Native or Hybrid both possible

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    Developing a Blockchain Technology for Healthcare data record

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    33 bids

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

    $377 (Avg Bid)
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    13 bids

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