• a crypto currency is for advertisement and entertainment. 

    blockchain tech for everyone

  • what is c0ban?

    Revolution of decentralized consensus began from Bitcoin. We see the future of the world. Although we Japan lost in internet revolution, we do try to gain no.1 in the world in blockchain revolution from Japan. C0ban is named after Middle Ages Samurai coin called Koban. We think we have still lots of issues on blockchain, crypto currency, and decentralized algorithm. C0ban is the first challenge for us to spread the technology to the world. Though the project, we will be pleased if we could provide a trigger to people to feel the revolutionary world of decentralized consensus.

  • specification of c0ban

    genesis coin

    2016 Dec 15

    total issued coin

    88,000,000 RYO

    consensus algorithm


    hash algorithm


    block size


    block generation interval

    32 seconds

    Difficulty Adjustment

     Retarget Cycle : Every block  Algorithm : LWMA

    Transaction compression


  • QT Wallet Download

  • Discussion of c0ban is here

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