Fundamentals

0001

·Updated: 16 June 2026· 59 words· 1 min

🔴 P0 — expected in every system design interview; grounds design decisions in numbers

·Updated: 23 June 2026· 397 words· 2 mins

🟠 P1 — Peter Deutsch’s eight fallacies; useful as a shortcut reference in interviews

·Updated: 16 June 2026· 238 words· 2 mins

🔴 P0 — the defining characteristic of distributed systems

·Updated: 16 June 2026· 314 words· 2 mins

🔴 P0 — critical for payment systems, Stripe’s public API design is built on this

·Updated: 16 June 2026· 211 words· 1 min

🔴 P0 — appears in nearly every system design interview

·Updated: 23 June 2026· 285 words· 2 mins