Privacy limitations
Nullark does not provide:- anonymity
- unlinkability
- sender privacy
- receiver privacy
- amount privacy
- MEV protection
- chain-level transaction privacy
- protection from compromised frontends
- protection from RPC or indexer metadata analysis
- protection from user self-linking behavior
Operational limitations
The public surface does not establish:- operator key custody
- live relayer funding
- signer rotation status
- incident-response readiness
- private smoke evidence
- guarded-user rollout state
- production readiness
User limitations
Users can self-link by:- depositing and withdrawing close together
- withdrawing to a known wallet
- reusing recipients
- sharing screenshots
- using a fake or compromised frontend
- exposing note material
- using revealing post-withdrawal wallet behavior