Canows DID

Canow DID is a decentralized identity management system built on the proprietary canow chain blockchain, launched in 2022 by canow Co., Ltd. The system implements the W3C DID standard and supports multiple verifiable credential types including CL Anoncreds and BBS+ signatures. The platform's core technical features include:

• DIDComm Messaging V2 support for interoperability
• Linked DID Documents functionality similar to certificate authority trust chains
• Integration with Tendermint framework for consensus
• Support for both DIDComm and WACI protocols
• State proofs for node response verification

The company has developed several products built on this infrastructure, including BRIDGE (a data management platform) and mine (a personal health data management system). Notable implementations include a pilot project with Tokyo Shirokanedai Clinic and Central Pharmacy Group for NFT prescriptions, demonstrating practical applications in healthcare. The platform emphasizes Self-Sovereign Identity principles while incorporating Japanese "information bank" concepts for personal data monetization.

The technical architecture leverages the Cosmos SDK framework with Proof-of-Stake consensus and can support over 200 validators. The system implements both CL Anoncreds through Cheqd DID Resource Module integration and BBS+ signatures via Aries Framework integration, making it compatible with major SSI ecosystems. The platform's focus on regulatory compliance and scalable infrastructure positions it as a bridge between traditional identity systems and decentralized architectures.