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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    40 jobs found, pricing in AUD

    The whole world needs a new economic platform which will allow everyone with a certain economic/financial footprint ( humans , animals , villages, families, towns, businesses etc...) to obtain what they really NEED ( food ,transportation, clothing, electronics, holidays , investment) in exchange for what they can OFFER in return ,based on their own individual situation. At the moment most of the ...

    min $101010
    min $101010
    0 bids

    I need to build a peer-to-peer cryptocurrency exchange platform similar to [login to view URL] which supports the major cryptocurrencies BTC, ETH, LTC, USDT and local currencies, the Electronic wallets, payment gateways, local banks. The platform is compatible with all mobile devices and the site interface is subject to change at my request. Please see the attached file upload request from us.

    $3906 (Avg Bid)
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    12 bids

    I am looking for Crypto currency developer

    $60 / hr (Avg Bid)
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    9 bids

    I would like you to create software for 2 coins. The website is dead now, but I have to use it. I want something that actually works the same way as the site. The software must be mathematically savvy and be familiar with bitcoin, blockchain and hashing. I don't mind taking a few days, so I want you to make it as cheap as possible. Thank you.

    $222 (Avg Bid)
    $222 Avg Bid
    2 bids

    Hiring for a developer to help us develop an application that works with ethereum smart contracts on the back-end / server side. The code will be responsible for executing commands and pulling down data / retrieving data. You will be asked to answer the following questions when submitting a proposal: Do you have any questions about the job description? Do you have suggestions to make this projec...

    $31 / hr (Avg Bid)
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    6 bids

    Needs to hire 3 Freelancers Hiring for a developer to help us develop an application that works with ethereum smart contracts on the back-end / server side. The code will be responsible for executing commands and pulling down data / retrieving data. You will be asked to answer the following questions when submitting a proposal: Do you have any questions about the job description? Do you have su...

    $36 / hr (Avg Bid)
    $36 / hr Avg Bid
    4 bids

    Needs to hire 3 Freelancers Hiring for a developer to help us develop an application that works with ethereum smart contracts on the back-end / server side. The code will be responsible for executing commands and pulling down data / retrieving data, You will be asked to answer the following questions when submitting a proposal: Do you have any questions about the job description? Do you have su...

    $42 / hr (Avg Bid)
    $42 / hr Avg Bid
    2 bids

    I need to obtain a legally valid record of the content of a web page or portal. Cryptocurrency Proof of Content on the Web is an easier, safer and more economical way to collect procedural evidence with full legal validity. What are you doing? I need to make a complete copy of the content that is being viewed in your browser and generate a proven report to your presence. From the report created...

    $336 (Avg Bid)
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    5 bids
    Bitcoin Chain Analysis 6 days left
    VERIFIED

    I'm searching someone who can track transactions and find the final destination address from an input address I provide. This requires serious chain analysis and is NOT done by simply looking up the tx id. Please only comment here if you're sure that you have the necessary skills to do this. The final pay will be discussed with you directly and is not necessarily reflected by the quote...

    $367 (Avg Bid)
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    4 bids

    I need to do these things about web3js B. Add a widget with token price 1 notify freelancer when send payment of employer is sent and confirmed on etherscan 2 freelancer can accept or reject tx (transaction) with the ticket, (there is already the feature) u just need to copy from one folder and paste into another plus the related interface or popup [login to view URL] freelancer accept esc...

    $54 - $448
    $54 - $448
    0 bids

    I need to do these things about web3js B. Add a widget with token price 1 notify freelancer when send payment of employer is sent and confirmed on etherscan 2 freelancer can accept or reject tx (transaction) with the ticket, (there is already the feature) u just need to copy from one folder and paste into another plus the related interface or popup [login to view URL] freelancer accept esc...

    $250 (Avg Bid)
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    2 bids
    web 3j nodejs 5 days left

    I need some changes to an existing website. I need you to design and build it.

    $274 (Avg Bid)
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    6 bids
    Earn quick money -- 2 5 days left
    VERIFIED

    i have project foe 2 hours in java (blockchain)

    $65 (Avg Bid)
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    4 bids

    I need to integrate a payment gateway on the marketplace. the payment method is the crypto token based on eth, the contract has already the features. we just need to place them on marketplace

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    3 bids

    Need to build a product verification application in hyperledger fabric

    $227 (Avg Bid)
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    5 bids
    Python plus BlockChain Expert 4 days left
    VERIFIED

    I need you to design a Chatting Web App.

    $368 (Avg Bid)
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    6 bids

    Hi, We need to deploy a hyperledger instance on either IBM cloud or AWS, build a certain architecture, then run some chaincodes. Please bid only if you have a deep experience and are very comfortable with hyperledger (fabric or sawtooth), docker containers, either AWS or IBM cloud and general blockchain concepts. This also will be a test milestone for other future milestones. Thanks a lot

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    20 bids

    Ipfs ethereum dapp for ehr,need smarth contract

    $11 / hr (Avg Bid)
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    6 bids

    I am currently looking for a consultant based in Georgia to provide local business services such as financial analysis, market reaearch and assessments. My client is providing global advisory on financial and business development internationally. The candidate will be responsible for the market penetration, business consultation and financial relations with potential clients. The person will be ex...

    $23 / hr (Avg Bid)
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    Blockchain expert in Unity3d for a simple work. Please Don't bid if you didn't work in Blockchain technology before.

    $551 (Avg Bid)
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    I am creating a system for sending eth one address to other's addresses it's working. I am facing issues when I need to send multiple address with the same tnx if you are an expert with this please replay to this post. if you have any questions just ask me. thanks

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    8 bids

    I have a social site and I want to implement chat application. Currently I am using [login to view URL] application and I want to look for cheaper solution. Also, I want to integrate crypto currency as payment options and user can get paid for text in crypto currency. I am looking for long term partnership and I prefer to work with people who deliver work first then get paid. Please let me k...

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    Looking for someone to help build a Telegram Trade Popper so my Crypto Trades automatically get entered into telegram. This is done by monitoring exchange accounts with API keys so that when an order is executed at an exchange, it automatically gets sent to a telegram channel. Prefered platform, PHP/Python, Mysql/MariaDB. Small project. If you've done crypto trading projects before, let...

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    What I have so far: - 3 python scripts - [login to view URL], [login to view URL], [login to view URL] - The purpose of these scripts is that they are to SIMULATE a chat environment. “Users” are simulated using ports following protocols of the Python3 language - The scripts run on my command terminal on my MacBook; it is hosted locally - Server is to ‘connect the users&rs...

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    Establish and write a so called "PITCH DECK" document paper, which allow to show the evidence of an upcoming solution incl. project details, appealing benefits to the final user / investors / market partners / community / etc: for usage Blockchain technology. Highly appreciated and abosolutely needed is an expert (long-time experienced) for this technology, proven in concept work...

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    I need someone who can edit and set up the source code at [login to view URL] This is a source code of Quark Coin online wallet Purse based on PIVX Request: Complete website setup based on the source code Chat more specifically with me in the message

    $847 (Avg Bid)
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    13 bids
    Fiat on ramp lintergration 2 days left
    VERIFIED

    Looking for a dev who can successfully intergrate the ramp protocol into my existing react native application

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    15 bids

    HI!! In this moment of crisis we are looking for someone to partner with us to develop an app similar for www.cash.app. within its own robust platform like paypal.com. To dont need paypal, square, or similar. This in android and ios. We need it to be with blockchain and all the features this [login to view URL] has. We will add rfid payment process to buy tickets for events and create a POS syst...

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    Looking for a dev who can successfully intergrate the ramp protocol into my existing react native application

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    I need find BTCprivatekey use hash and BTCaddress. Don't raise your hand if someone says I can't do it! I want to be a partner with someone who can do it. I know people who can do it and I have a video. But I can't do it myself. I'm looking for someone who can do it. Thank you.

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    We have installed Opendax on our website, but we need some help with configuring it. First of all, we need to implement the currencies Bitcoin and Ethereum and our own Token (Ethereum based). Maybe other features have to be configured.

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    7 bids

    I am in search of a content writer to write articles and posts on blockchain/crypto-related topics. These are my requirements: High-quality post such that minimal edits are required. Content should be 100% unique. No plagiarism. This is a must. It will be screened through premium software. Good readability No grammar/ spelling mistakes. Background research may be required. Cite the source if ...

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    Hi, I need help to create React Native CryptoWallet App for payment for peer-to-peer. Please share the following in your proposal. Thanks. 1. Past similar projects 2. Estimated Cost 3. Estimated Timeline

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    Name Logo Site to sale ICO Listed in top Exchange

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    Bug fix with stocks trading in react native app and also do chat online visibility

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    16 bids
    Cryptocurrency Server Migration 7 hours left
    VERIFIED

    I need to migrate the contents of my VPS server over to a new server. The server was comprised and there was some sort of attack on the server and the company that provides my VPS server is requiring me to fix the issue. I have already spoke with a few freelancers who stated that I need to move the contents of the server over to a new server and implement a firewall and security features to make s...

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    Hi everybody. I need somebody who can build a smart contract for my application

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    Bug fix react native app 4 hours left
    VERIFIED

    Bug fix with stocks trading in react native app

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    Нужна консультация специалиста по проекту блокчейн, холодный кошелек, знание беспроводных протоколов передачи данных, работа с токенами, консультация по организации разработки продукта.

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    Blockchain Smart Contract 1 day left
    VERIFIED

    Cerco per la mia azienda un Programmatore che segua un progetto per creare una Smart Label e Smart Contract sfruttando l'ecosistema IBM o AWS.

    $3263 (Avg Bid)
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