tracker/semantic-firewall/day-16
16
WK3Audit + Governance· day 16/30

Hash Chaining

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CONCEPTS
  • ›SHA-256 hashing
  • ›chain integrity
  • ›tamper detection
BUILD
  • ›Each log entry references hash of previous entry
TASKS
0%
01Compute SHA-256 of each log entry
02Store prev_hash in each entry
03Write verify_chain() function
04Test tampering detection
OUTPUT→Tamper-evident hash chain
DEV LOG · 2026-05-27
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