# 6. Use case of "BaaSid"

- [6.1. TWCC (Taiwan government agency DID development and supply)](/use-case-of-baasid/6.-use-case-of-baasid/6.1.-twcc-taiwan-government-agency-did-development-and-supply.md)
- [6.2. Hitachi Sunway (2FA, MFA Authenticator based on Blockchain & Decentralized Storage)](/use-case-of-baasid/6.-use-case-of-baasid/6.2.-hitachi-sunway-2fa-mfa-authenticator-based-on-blockchain-and-decentralized-storage.md)
- [6.3. API interworking compatible with major clouds and fast and easy decentralized storage construct](/use-case-of-baasid/6.-use-case-of-baasid/6.3.-api-interworking-compatible-with-major-clouds-and-fast-and-easy-decentralized-storage-construct.md)