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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    50 jobs found, pricing in SGD

    I will give you sheet of usernames and Provide you My TG url and you have to add members using invite option in TG group , need 100k+ members in various group ping only YOU CAN DO IT..

    $3376 (Avg Bid)
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    6 bids

    Hi, I’m looking for someone to create a best chatbot which answers questions even asked indirectly. It’s mainly to answer Q n A. I also need them to collect a bit of data to train on. Later once it’s working, I should be able to add more and more data in its knowledge base. I would need an api endpoint as the end product. If you have EOSIO blockchain knowledge it’s a ...

    $302 (Avg Bid)
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    Implement a Blockchain based payment system between three parties, Individual, Business & Bank. All transactions should be recorded onto a blockchain. Implementation Details: The transactions between the individual and the bank are one-to-one. The transactions between the business and the individual are through the bank eg. Individual to Business = Individual to Bank – Bank to Busines...

    $17 (Avg Bid)
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    1 bids

    Implement a Blockchain based payment system between three parties, Individual, Business & Bank. All transactions should be recorded onto a blockchain. Implementation Details: The transactions between the individual and the bank are one-to-one. The transactions between the business and the individual are through the bank eg. Individual to Business = Individual to Bank – Bank to Busines...

    $25 (Avg Bid)
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    1 bids

    We need a talented Blockchain expert to create, advice and integrate a token/ICO

    $1481 (Avg Bid)
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    19 bids

    Hi I need Tether (USDT) wallet , with multi-signature feature .same electrum wallet.

    $1024 (Avg Bid)
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    8 bids

    I Need an Experienced Ethereum Dapps Developer. Please see attaced image. Need to add a robust QR code scanner. Presently, it only scans from high resolution images. Need to scan the codes easily. You can use any plugins or any methods. The dapps is at [login to view URL] Please bid. The source is in GITHUB. I will provide all necessary information as required.

    $841 (Avg Bid)
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    3 bids
    cryptocurrency 6 days left

    P2P cryptoexhchange i need settings fee things in my page everthing will by finish and preparing i need only fee things

    $346 (Avg Bid)
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    7 bids

    Looking for someone who developped auto-trading robot for bitmex, please show me some old trade to see how its work.

    $291 (Avg Bid)
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    7 bids

    Hello, Im looking for someone with experience on fmz to build robot.

    $213 (Avg Bid)
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    1 bids

    we need someone to compile a new coin urgently with wallet and explorer Details in PM

    $192 (Avg Bid)
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    1 bids

    Wants to create a customized Ledger platform in which identity and product - and work processes will be verified, validated and confirmed through SMARTCONTRACTs. This will guide us to a PoW that will close both the company profile and the business profile of the company. Adding The complete system should generally have a complete ICO value, implemented on the flat crypto currency form of the fla...

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    A Blockchain Developer : Blockchain project collaboration offer ([login to view URL]) ================================== The team leading the Wastechains project ([login to view URL]) is eager to increase its strengths by welcoming new employees. The skill we are looking for is: - a Blockchain Developer The developer must take the open source source code on github We we do not wanta service ...

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    3 bids

    I'm going to build the simple game based on Blockchain (probably Ethereum). I will share the details in private message box. Must start immediately

    $29 / hr (Avg Bid)
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    17 bids
    Blockchain development 5 days left
    VERIFIED

    I’m looking for a blockchain developer that can update the libraries and complete our new HD wallet. More info to come

    $48 / hr (Avg Bid)
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    27 bids

    we need someone to compile a new coin urgently may be hard fork from latest bitcoin version. Details in PM

    $206 (Avg Bid)
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    1 bids

    I need you to write a research article

    $36 (Avg Bid)
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    14 bids

    i want to create decentrlize exchange so needed block chain developer

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    11 bids

    we need someone to compile a new coin urgently may be hard fork from latest bitcoin version. Details in PM

    $243 (Avg Bid)
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    2 bids

    Hello, I'm currently working on an altcoin which is a fork of PIVX and we need some electrum servers to be setup for our coin. The algorithm is Quark. We'll ask you the following for this work. - Create a new Electrumx implementation supporting our coin - Test the implementation with us - Allow us an easy way to deploy more servers when needed (e.g. Documentation / Dockerfile)

    $289 (Avg Bid)
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    A 25 pages whitepaper that explains what the exchange does, its operation model, its cutting edges, about its token, etc. Send a message to get more details. thanks

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    I want a white labeled version of Polymath with my company brand on it. Exact same features using ST20 and ERC1440 Tokens. Ability to mint on Ethereum Main net, Automated Smart contracts for investor management, lockup periods and tokenomics etc.. [login to view URL]

    $1892 (Avg Bid)
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    Hi Sergey. This is Carlita. do you remember [login to view URL] We tested and reviewed your previous work - dice game, baccarat smart contract. Unfortunately, it doesn't work properly. Please come again and prove your works. Otherwise, I should file refund request. If you want to go ahead, then we can restart our contract here again. but must handle current issues. Regards

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    23 bids

    I wanna change the name of my ERC20 Ethereum token into a New one, and list it on the Etherscan

    $5516 (Avg Bid)
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    51 bids

    We need our own cryptocurrency coin created for a new project. Needs to be POW and POS with masternodes. Ideally based on either Dash, PIVX or Zencash. If you can do project based on Loki or Zencash, Horizen let us know. You must have experience in creating similar coins before and show proof of work that you have done so. Share links to us and your github links. We need wallets for Linux, ...

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    We are developing a trading application for which payments are to be made through block chain technology. Any one who has knowledge and experience on working with block chain may quote

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    I am looking for a person to do a copy of the UI/UX of the website [login to view URL] For Peer to Peer lending software that would be on wordpress @ Http://[login to view URL] Features: - On-boarding for companies and accredited investors - creation of Security token automated (similar to ploymath system) - Payment processing & fund management - Manage Equity, Debt, Securities, Cryptocur...

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    33 bids

    I want ERC20 tokens developed, if you can do that, please place a bid.

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    Looking for blockchain and crypto developer who can work on current already developed blockchain and make some adjustments to it. You must also be expert in creating wallets out of blockchain code and it will be a big plus if you have created ICO and Cryptocurrency Exchange sites.

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    YEP COIN GATEWAY -- 2 2 days left
    VERIFIED

    I am looking for a person to develop a Gateway for credit card and PayPal in order to pay a crypto currency. Communications with the wallet are done in RPC. The gateway will need to be integrated into a website.

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    I am looking for a person to build the back-end of a portal that allows me to integrate my current clients and new clients, users, investors and companies to launch new STO's native to the platform. Similar to polymath. Currently I have the front-end with wordpress @ Http://[login to view URL] Features: - On-boarding for companies and accredited investors - creation of Security token autom...

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    Hi, I need a crypto coin. People should help to promote the coin and run the ICO successful. Payment will be released only after the ICO gets completed. Purpose of the coin will be discussed privately. I m planning to list that in YOBIT,i think it is free of cost. But not sure.(Please check). White paper also required. Please suggest ur designs and ideas to successfully run the ICO and to get list...

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    I have the source code for the project. Also it was completed almost. but I need to fix some bugs in there. If you have many experiences in iOS blockchain wallet app, please bid in here. I will discuss about it over chat.

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    block chain development 1 day left
    VERIFIED

    need to hire a block chain developer to assist us on a project. we are building a website with many functionalities however we need to develop some apis that require knowledge in blockchain. Please note that if you get awarded this project expect to be occupied with us till the end of 2019

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    [Removed by Freelancer.com Admin] Only Looking for Blockchain Developers here. I AM NOT LOOKING FOR PEOPLE WHO BUILT WORDPRESS WEBSITE FOR BITCOIN. I AM LOOKING FOR AN ACTUAL BLOCKCHAIN DEVELOPER HERE. === Bid this project ONLY IF YOU HAVE ACTUALLY BUILD A PROJECT ON BTC NODE, ON SOLIDITY BEFORE. I don't need a WORDPRESS NULLED TEMPLATE FAKE DEVELOPER.

    $32 / hr (Avg Bid)
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    Blockchain Development 1 day left
    VERIFIED

    Startup project Development of financial service on Rust Requirements: Blockchain expert Rust development experience

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    30 bids

    I have two files which will be translated from English to Korean. The content is about blockchain. I am looking for a Korean translator. Please note that the translator must be Korean. For more information, welcome to contact me.

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    In this android app I want to integrate a reward program based on a Crypto Currency ([login to view URL]). The reward program would drive more engagement as it is based on crypto currency and users will have complete ownership of rewards as it is based on blockchain. We will be using a reward SDK provided by [login to view URL] ([login to view URL]) Before bidding please go through the *blockch...

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    Blockchain Developer needed to develop a secure and decentralized file transfer application.

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    create and deploy erc20 token. Send ownership and tokens to me

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    Need a very simple site where users can download an mp3 file. They will have the choice of bitcoin, Ethereum or an Ethereum token to download and once payment is received they will receive download automatically. This system will work similar to iTunes but with cryptocurrency. The site will have a stylish, modern index page where the download will be found and a couple simple sub pages such as pri...

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    Token modeling 22 hours left
    VERIFIED

    For a token model for which I would to have critics and challenges, I am looking for someone with strong passion for blockchains/Token/Smart Contracts etc,, This is a job for someone who have passion than for someone who want to make money immediately.

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    We are looking for a blockchain developer who will be responsible for designing, implementing, and supporting a distributed blockchain-based network. Primary responsibility will be analyzing requirements, designing blockchain technology around a certain business model, and the building and launching of a blockchain network. You'll be assisting a team (two full stack developers) that has a &q...

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    Multiple Blockchain developers needed to contribute to various blockchain projects on repositories like github. We are a new blockchain company and are looking for developers. Payment will be based on hourly efforts, and prominent developers could be offered full time contracts. General terms: The developer is required to join the organization on github The submitted code must consist of clean ...

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    Good experience in monero or fork of monero is vital. Particularly interesting is experience of building and extending the std monero wallet (all versions - Linux/Mac/Windows)   Experience of testing and releasing hard (upgrade) forks, gitian builds and CI.

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    Node: We need one team/company 4-10 people for work this project Fullstack experence about Cryptocurrent and Revenue system. - Fund Bitcoin, Ethererum, USDT, BCH, TUSD ... - Requairement: + Complete this project on time deadline 2-3 week. + Design UI/UX Cyberpunk style, another better for crypto. + Whitepaper (Writer, Infographic ...) + Building Website (Lending page) + Building App (An...

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    A Blockchain Developer : Blockchain project collaboration offer ([login to view URL]) ================================== The team leading the Wastechains project ([login to view URL]) is eager to increase its strengths by welcoming new employees. The skill we are looking for is: - a Blockchain Developer The developer must take the open source source code on github We we do not wanta service ...

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    6 bids

    We need a blockchain experienced for a long-term project

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    If you are a great writer able to provide engaging content on cryptocurency, blockchain, please feel free to place bid in this project. please don't bid without any prior experience on cryptocurrency, blockchain as well as lack of highly skilled writing ability. Paying INR 120 for each 600 words article. Thanks and regards.

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    Looking for a cryptocurrency experience web developer to sync our woocommerce store with a blockchain wallet to deliver items as orders are completed.

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