Invariants / CN-WIRE-03

CN-WIRE-03

CN derived declared

Consensus-critical deserialization must be equivalent across all supported versions and active code paths

Source: classification_table.md §A

Enforcement trace

Code

no enforcing code — gap

Tests 0

no tests named — gap

CI 0

no CI script — gap

Attack rationale

Directly addresses the November 2025 malformed delegation/deserialization fork.

Evidence notes

Cardano-specific: addresses version-skew within the Cardano protocol's multi-version support model. Evidence: ouroboros-network version types show this is a protocol-version-specific concern.