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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    45 jobs found, pricing in AUD
    look over decentralized app 6 days left
    VERIFIED

    I need someone to look over dapp and let me know the functions of it and let me know what is needed next

    $410 (Avg Bid)
    $410 Avg Bid
    5 bids

    Existing Cryptocurrency needs a wallet update fork with all existing transactions. Must have experience in blockchain development and forking existing cryptocurrencies.

    $3456 (Avg Bid)
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    14 bids

    2000 words • Solidity • [login to view URL] • Metamask I may change the main topic of the game so the proposal should focus on the other topics like technical aims objectives background

    $135 (Avg Bid)
    $135 Avg Bid
    9 bids

    we want to build a cryptocurrency exchange not token exchange not ICO website crypto exchange BTC BCH ETH LTC XRP NEO USDT also, we want to add two fiats for trading all coins should be able to trade with each other as a pair and for fiat as well *** 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 freelanc...

    $8273 - $11031
    Featured Sealed
    $8273 - $11031
    56 bids

    I have long term project and I need software company who can work on blockchain development with us. You should be available for 8 hours at least in a day

    $40 / hr (Avg Bid)
    $40 / hr Avg Bid
    11 bids
    Block chain tor website 6 days left
    VERIFIED

    Hey, i need to make a tor website Configuring Onion Services for Tor. If you know about tor and blockchain please only send me the proposal. [login to view URL]

    $716 (Avg Bid)
    $716 Avg Bid
    17 bids
    Find a blockchain expert 6 days left
    VERIFIED

    I am looking for good developer who has enough experiences in blockchian. It`s a long-term work. Thank you.

    $19 / hr (Avg Bid)
    $19 / hr Avg Bid
    17 bids

    I need a support for the marketing campaign I'm having for an ICO. In particular I expect - Managing all the social channels (Linkedin, Facebook, Steemit, Medium, Reddit, Bitcointalk, etc) - Producing original content for posts, tweet, etc. (with the support of team members) - Controlling ICO ranking over a bunch of websites (e.g. ICObench) - Manage a google adv campaign The effort should b...

    $700 (Avg Bid)
    $700 Avg Bid
    23 bids

    We are looking for a hyperledger expert to build a Proof Of Concept blockchain with various: - Various Chaincodes that supports various transactions - Various Chaincodes executors with different roles & Permissions - Integration with existing Participants Systems We are an established Company in Canada and looking forward for partnering with good members, if you think this could be a good f...

    $1325 (Avg Bid)
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    10 bids
    Simple Ethereum Token Swap 5 days left
    VERIFIED

    I want a simple contract where users send the old version of our token and instantly receive the new version of our contract. For each 1 token of the old version they send they will receive 3 of the new token. this should be automated and gas is paid by the user when they send the old contract so I shouldnt have to add eth for gas for this function. I need this asap.

    $305 (Avg Bid)
    $305 Avg Bid
    13 bids

    Looking for Blockchain based KYC Registry (Web based) for India. To be used by Banks, College Admissions and any place where KYC information is required. End users will provide and authenticate their KYC information in this platform once. Use Case Reference : [login to view URL]

    $1869 (Avg Bid)
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    13 bids

    Design and architecture for solution based on Blockchain Ethereum technology is required

    $292 (Avg Bid)
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    5 bids

    I want to build a app which works as Data Tracker. For your convenience I draw some pictures please look at those it will help to sum up what I try to convey. But, I want this app only bulid on Blockchain (BigchainDB). Main Functionality of App :- To detect permission access of other apps

    $2276 (Avg Bid)
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    9 bids
    ICO whitepaper 4 days left
    VERIFIED

    i need someone that can create a good quality ico whitepaper that explains what the overall business is about. show your portfolio.

    $267 (Avg Bid)
    $267 Avg Bid
    27 bids

    I need a software developer to modify the Bitcoin code (hosted on Github) as per the spec which will be provided. I need this done within 7 days of the project being awarded.

    $2261 (Avg Bid)
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    17 bids

    need a buy sell trading engine that also works with external exchanges.

    $1099 (Avg Bid)
    $1099 Avg Bid
    15 bids
    Crypto-currency expert 4 days left
    VERIFIED

    I need crypto-currency expert who can work for me in long-term. No agency, only developer bid. Please apply with experiences. Thank you.

    $8 / hr (Avg Bid)
    $8 / hr Avg Bid
    10 bids
    Crypto Payment Gateway 4 days left
    VERIFIED

    Hello. I am looking for someone who could develop a payment gateway for accepting crypto (similar to coinpayments). For example, I am a store owner and I want to accept payment in bitcoin and other altcoins. I will install a plugin (which is the payment gateway) on my store. When the buyer clicks on the checkout, he will have an option to choose the coin he wants to pay in. Let's just say tha...

    $732 (Avg Bid)
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    15 bids
    Decentralized app 3 days left
    VERIFIED

    Texasholdem poker tournament decentralized app

    $4135 (Avg Bid)
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    12 bids

    We are looking for a DApp programmer to build a demo project. We are in Proof of Concept stage and looking for experience programmer for quick job to prove our ideas works. Following with Scope 1. DApp required to query data from our API. We have a sales transaction want to submit on Ether Blockchain. Following with sample data structure and may have minor changes. Customer Name, Transaction Typ...

    $372 (Avg Bid)
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    18 bids
    Erc20 Token 3 days left
    VERIFIED

    We are looking for developer to code us on ERC20 token and develop its user wallet

    $1147 (Avg Bid)
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    22 bids

    [login to view URL] is where this alert will be focused on only one asset. You have bid and ask prices I want an alert when these prices hit 0.00000009 and 0.00000011. I can have email alerts and or pop up or whatever as long as it is in real time

    $173 (Avg Bid)
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    4 bids

    Hi, We need to create a professional white paper for a technology Blockchain startup. The company wants to take the Sharing (On-demand, Gig) Economy to the next level with the power of Blockchain technology. Content needed on the document: Overview of the Industry Problem to be solved Proposed solution Product description Technology explanation Areas of expertise needed: Mathematics ...

    $993 (Avg Bid)
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    28 bids

    Hi This is altcoin creation task. No difficult algorithm. Just only fork the bitcoin and create altcoin for specific requirement. Please have a look attached file.

    $1827 (Avg Bid)
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    11 bids

    Hi, we're looking for blockchain experts who can make us decentralized exchange like such like idex or ddex. (or customize previously made solution of yours for us) We would like the exchange's smart contract is based on forkdelta's. The exchange must provide all basic functions like: (simply all functions that fork-delta provide + tradingview) - withdraw / deposit - listing and d...

    $14987 (Avg Bid)
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    39 bids

    I need Developers that have experience with Blockchain technology Skillset needed Bitcoin Core, masternodes, C/C++, Api Development, ERC 20,

    $26 / hr (Avg Bid)
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    21 bids

    I have been associated with the BFSI industry for 13 yrs initially from business and operations side and then technology and eventually landed up into marketing and strategy. Having realized that this diversified experience is a good platform to enter the next big wave of innovation in the Fintech space, I have started to develop a few disruptive banking products using Blockchain, Robotics and Dat...

    $57 / hr (Avg Bid)
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    3 bids

    I have been associated with the BFSI industry for 13 yrs initially from business and operations side and then technology and eventually landed up into marketing and strategy. Having realized that this diversified experience is a good platform to enter the next big wave of innovation in the Fintech space, I have started to develop a few disruptive banking products using Blockchain, Robotics and Dat...

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

    help me creating erc 20 smart contract

    $200 (Avg Bid)
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    12 bids

    I need a blockchain engineer who has good ideas towards application of blockchain to a social relevant issue

    $204 (Avg Bid)
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    4 bids

    I am going to launch token issuing platform similar with waves. Hope to discuss about possible way to get approach early. If you have built this, you are the top candidate and start project soon. I hope all things done in few weeks. Must be experienced with Waves.

    $3748 (Avg Bid)
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    23 bids

    I have a start up for e-commerce. I am looking for crowd funding. So, eventually need a business plan for this

    $12 / hr (Avg Bid)
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    20 bids

    Please read full documentation + screenshots [login to view URL] ------------------------------- Overview Current project based on Original project: [login to view URL] ------------------------------- 1. We need to Change the current logic how wallets opened 2. Token logo fix

    $1543 (Avg Bid)
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    6 bids

    I am looking for blockchain expert or team who has expertise in real asset based cryptocurrency. Requirements>> 1. Strong knowledge of tokenizing 2. Good understanding of real estate ecosystem

    $55 / hr (Avg Bid)
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    43 bids

    I need someone who can develop crypto trading software. platform I'm focusing - Binance, Bittrex

    $638 (Avg Bid)
    $638 Avg Bid
    25 bids

    i want to make auto payment system with bitcoin for my website [login to view URL] im have payment system paypal and 2checkout and i want to add payment with bitcoin i need to implement the new payment method with api of bitcoin

    $673 (Avg Bid)
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    22 bids

    I need to make a new coin using open source of current one, before you bid note you should have experience in fork POS coins before and make everything work probable, contact me for all coin specifications. Please bid within my budget...

    $772 (Avg Bid)
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    15 bids

    I have this app published and in use. [login to view URL] I want to add Notifications to the app. I want to be able to write a message in a web panel and have it sent to all users of the app as a notification. We already have an admin web panel so this would just be something to add on. You will not need to create an admin panel from scratch. An additional feature to select specific users for a n...

    $855 (Avg Bid)
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    20 bids

    Hello, We are implementing Hyperledger into our environment and are looking for someone to consult via phone/ remote access, who understands blockchains/ can answer questions we have. The person we're looking for needs to be able to deploy hyperledgers into production (using Hyperledger Fabric ideally, but any platform will work). Of particular interest is the use of consensus across multip...

    $54 / hr (Avg Bid)
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    36 bids

    Need an A to Z, Blockchain, Bitcoin, Smart contract, ICO, White papers expert, who have completed a project successfully and can share white papers + project, please share your project link in the bid. Many thanks

    $4571 (Avg Bid)
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    54 bids

    Looking for knowledgeable web designer or programmer with blockchain experience. Our game will be on the Tron Network. We need the basics for the permanent game website, complete with administrative backend for easy management, secure user accounts, individual Tron game wallets and 2fa security options for the user accounts. The structure and functionality of the website is most important right ...

    $6034 (Avg Bid)
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    30 bids
    Develop Exchange (Crypto) 4 hours left
    VERIFIED

    I want someone who has done cryptocurrency exchange. Basically, I'm trying to complete exchange with the low budget. The exchange like a binance, bittrex and must have to have all function same as other exchange. Different Market, API, Tracking my Budget is just 500$

    $1015 (Avg Bid)
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    24 bids

    Hi All! Thanks for your interest. If you are not familiar with the masternode craze there are 100s of these projects launching a month of which 99% are complete scams. The devs are not transparent with what they are doing with raised funds, investors have 0 say in project direction, and the project ends up collapsing within a few months if the devs dont exit scam (this happens quite often). What...

    $30 / hr (Avg Bid)
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    25 bids
    Create a new Crypto Currency 3 days left
    VERIFIED

    Create a new Crypto Currency by Improving open source existing codes and ensure its reliability to connect to external environments, and implement sepcific specs and deliverables and high level security.

    $4869 - $8115
    Featured Sealed NDA
    $4869 - $8115
    46 bids

    Hi This is altcoin creation task. No difficult algorithm. Just only fork the bitcoin and create altcoin for specific requirement. Please have a look attached file.

    $1435 (Avg Bid)
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    7 bids

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