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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    642 jobs found, pricing in SGD

    Hello we need someone to create custom coded from scratch Cryto Currency, we need someone who is very experienced, we need you to speak proper english becuase we would have a call so we can have a chat regarding this project. we only need experience devs to do this and so we need a team.

    $60445 (Avg Bid)
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    17 bids

    I need someone who is skilled in seesaw method (think PIVX). I am trying to make a prediction or basic analysis table of what to expect for future etc.. So please be able to understand seesaw method, master nodes, stakers, POW vs POS, coin supply. Mainly trying to understand and figure out that... Every block at POS phase carries a reward which is split between masternodes and stakers via see...

    $237 (Avg Bid)
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    12 bids

    Looking for a good developer or a team for 2 projects Blockchain Trading website / hyperledger /Smart Contracts, Golang to customize ethereum core : main conditions 1- fully secured 2- you should have done this type of work before 3- you should know what is bitcoin and aware of bitcoin trading 4- handle many transactions in the same time 5- I prefer if you have a ready demo or features that you ca...

    $15 / hr (Avg Bid)
    $15 / hr Avg Bid
    4 bids

    We have built a web site for Bitcoin and other cryptocurrency wallets and we need a specialist who can download the blockchain on our server and create the API for the user wallets and API for the Merchant option. Basically fully functional Bitcoin wallet.

    $1686 (Avg Bid)
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    44 bids

    Timeline= 5 days Project Details are very straight forward as you will be using 90% of the source code from Monero or Verge, which ever one is faster: 1) Use most of the source code from either Monero [url removed, login to view] OR [url removed, login to view] 2) In Monero and Verge, the source code has the option to make things "public", which we don't want with ...

    $485 (Avg Bid)
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    16 bids
    Blockchain 6 days left
    VERIFIED

    Looking for a developer that can developer a blockchain, specifically for a video application.

    $57 / hr (Avg Bid)
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    24 bids

    Hello we have many ideas and we are group that is being funded by people. We will discuss more in detials once we have the right freelancer. We like to see your work and a call on the phone to make sure you can do this.

    $69210 (Avg Bid)
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    21 bids
    Smart Contract ERC20 Ethereum 6 days left
    VERIFIED

    want to develop a smart contract on ethereum blockchain for a website business. Required: -Simple functions -No Loops -Secured -Bug Free

    $931 (Avg Bid)
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    13 bids

    We need a blockchain wallet built to store our custom token along with an integrated marketplace within the wallet. View [url removed, login to view] for an example.

    $714 (Avg Bid)
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    16 bids

    Using the open code of an existing game, create a running tailored application. Basically another skin. Most of the code is available already.

    $69 / hr (Avg Bid)
    $69 / hr Avg Bid
    24 bids
    Crypto Currency POC 6 days left
    VERIFIED

    Proof of concept 'private use' crypto-currency application. Some amendments to the existing Bitcoin code base for use within an organisation as a proof of concept. Will also need basic wallet functionality. Successful bidder will need to work alongside our UK based software team. Successful POC will lead to additional stages. At this stage, need to understand the expertise and capabil...

    $16456 (Avg Bid)
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    14 bids

    Do Modifications and Customizations of TxBits [url removed, login to view] To Include Modules We need: 1) A user account system that allows users to register, maintain a balance, deposit and withdraw BTC and other currencies, also place buy and sell orders. Integrate this, with a payment processor to support currency deposits and withdrawals. 2) A matching engine that looks at the current buy a...

    $459 (Avg Bid)
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    1 bids

    Create a Mobile app with Blockchain technology and connect the database details to a Private ledger

    $523 (Avg Bid)
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    6 bids

    Hi, First a bit about myself: I am Olaf and currently living in the Netherlands, I did sell my house and will travel to south-east Asia/the world to convince developers about a new way of development. (See [url removed, login to view]) And to support my own cost of living during the development stages. We are in the process of setting up a non-profit foundation and developing the tech to actual...

    $16 / hr (Avg Bid)
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    26 bids

    I'm launching a decentralized platform for sports betting which will also have it's own unique features unlike other sportsbooks I will compete with, and will be adding financial markets to the platform very soon after . It will be ALL crypto currency pairs at first until we have regulation to offer "securities" .. This is included in our road map. So, I need a tea...

    $3848 (Avg Bid)
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    4 bids

    Need to build ICO back end system with 2 level pre sale option and crowd sale. The token has to be based on ERC20 system.

    $1737 (Avg Bid)
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    40 bids

    Need Ready Made Cryptocurrency Exchange Script References - [url removed, login to view] [url removed, login to view] Modules we need: 1) A user account system that allows users to register, maintain a balance, deposit and withdraw BTC and other currencies, also place buy and sell orders. Integrate this, with a payment processor to support currency deposits and withdrawals. 2) A matching engine ...

    $3752 (Avg Bid)
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    8 bids

    Looking for a good developer or a team for 2 projects Blockchain Trading website / hyperledger /Smart Contracts, Golang to customize ethereum core : main conditions 1- fully secured 2- you should have done this type of work before 3- you should know what is bitcoin and aware of bitcoin trading 4- handle many transactions in the same time 5- I prefer if you have a ready demo or features that you ca...

    $19 / hr (Avg Bid)
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    10 bids

    Looking for a good developer or a team for 2 projects Blockchain Trading website / hyperledger /Smart Contracts, Golang to customize ethereum core : main conditions 1- fully secured 2- you should have done this type of work before 3- you should know what is bitcoin and aware of bitcoin trading 4- handle many transactions in the same time 5- I prefer if you have a ready demo or features that you ca...

    $4 / hr (Avg Bid)
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    2 bids

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