sequenceDiagram
actor U as User
participant B as Cardano Block Chain
participant Br as Cardano-Catalyst Bridge
participant C as Catalyst Backend
U->>B: Registeration Txn
Note right of U: Type/Public Key/Reward Address
Note over B: Block Minted
B->>Br: Reads Chain Tip, detects Registration
Br->>C: Records Latest Registration
U->>C: Requests Priviliged Operation
Note over C: Generates Random Challenge
C->>U: Challenge Sent
Note over U: Signs Challenge with Public Key
U->>C: Challenge Response
Note right of U: Public Key/Challenge Signature
Note over C: Validates Response
alt Public Key Registered & Signature Valid
C->>U: Authorized
Note left of C: Authorized<br>Session Established
loop Authorized
U->>C: Privileged Operation
C->>U: Priviliged Response
end
else Unauthorized
C->>U: Unauthorized
end