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The security architecture for private chain data exchange

HIMITSU

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Who Are We?

We all come from Cathay Financial Holdings blockchain team

johnny30678

kidneyweakx

Himitsu ETHTaipei Hackathon

Cathay Financial Holdings

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Himitsu? What is that?

  • An architecture for private chain to communicate with public/private chain

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  • With Himitsu, you can easily create a RAIHO network connect fabric and quorum (private networks)

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  • Use Hashi and Zero-Knowledge’s Circuits to ensure the data safety

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  • Concept like Cosmos Hub, but we use Hashi as the protocol

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Himitsu ETHTaipei Hackathon

Cathay Financial Holdings

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What Himitsu created?

We Build Contracts, Relayer and Circuits

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  • Contract(Chaincode) HashiQ
    • Contract that emit event make relayer query data from private chain
    • oracleAdapter send hash to girigiribashi(hashi)
  • Relayer
    • listen event from GiriGiriBashi to ensure data exist in other chain
  • Circuits
    • Make sure the private chain data only access by permissioned person

Himitsu ETHTaipei Hackathon

Cathay Financial Holdings

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Architecture Overview

Himitsu ETHTaipei Hackathon

Cathay Financial Holdings

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D E M O

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T H A N K

Y O U