The Blueprints · The Patterns
The architecture of mastery.
Watch the patterns move. Illustrative diagrams of how great systems are built — abstract by design, never a map of any live estate.
The Blueprints
How it is built.
Illustrative patterns only — generalised teaching diagrams, not a map of any live system.
Secure Cross-Domain Identity
“One identity, many worlds.”
A generalised single-sign-on pattern: a user authenticates once, and a short-lived, signed token is exchanged so independent apps can trust the same identity — without sharing secrets or sessions.
- One-time grant, short-lived exchange
- Stateless, signed verification
- No shared session store
- Least privilege per app