Returns the number of Locktime signatures required for a NUT-11 P2PK secret.
The NUT-11 P2PK secret.
Number of Locktime signatories (n_sigs) required or 0 if unlocked.
0
Returns 0 if the proof is unlocked and spendable by anyone (locktime EXPIRED, no refund keys).
If secret is not P2PK.
Returns the number of Locktime signatures required for a NUT-11 P2PK secret.