Most chains treat compliance like a checkbox at onboarding. One KYC form, one allowlist, and that’s it. Works fine until market sounding shows up.

Sounding is temporary, specific, and high-stakes. The second an investor gets non-public details, they have to be walled off—no trading until the info goes public or the window closes. Off-chain, banks handle this with emails and internal lists. On-chain, if the system only sees addresses and a static credential, the wall is basically a mailing list that lands too late. Order’s already filled. Enforcement turns into expensive forensic cleanup after the fact.

The real test is live state: coverage that only starts once receipt is confirmed (not just “we sent the email”), lifts automatically when the info is public or the deadline hits, and logs the exact lift time so you can audit any leftover lock or early unlock. Failures should spit back a clear wall code, not some balance error. Static questionnaires can’t handle that kind of timing.

Dusk’s design gets closer. Access controls and transfer checks can fail for specific reasons. Identity credentials plus selective disclosure open the door to time-bound, event-specific restrictions without dumping everything into the open. Whether the protocol can actually run a dynamic sounding wall in production is still the open question—but at least the architecture is already asking the right one. Most L1s don’t even see the gap.

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