// 5. Expiry check time_t now = time(nullptr); if (payload["expiry"] < now) return false;
: The software offers multiple license types, including standard and more expensive commercial versions. Trial Limitations
For developers building such a system: prioritize fail-safe behavior (deny automation on validation error) and never trust client-side time alone. For users: understand that license codes are not just strings—they are cryptographically bound promises of access, and tampering with them is both technically difficult and often legally prohibited under anti-circumvention laws (DMCA Section 1201, EUCD).
