A forgotten PIN usually invites a few guesses. That habit becomes dangerous when the PIN protects the only route back to encrypted history.
X says its Chat recovery system stores a user’s private key as shares across three Juicebox realms. Hardware-backed realms enforce a strict counter of 20 incorrect PIN attempts. After the counter is exhausted, the key shares become permanently inaccessible. The limit is meant to stop brute-force attacks, including attempts by someone who controls the storage system. It also means a legitimate user can lock themselves out by treating the prompt like an ordinary website password field.
The sensible response starts before the first guess. Check whether another phone or browser is already signed in and can still open Chat. X says a forgotten passcode can be reset from a device that is already using Chat. Confirm that route while the trusted session still exists. If several PINs seem plausible, do not burn through the counter in a hur
