Innovation City Digital License - Features & Benefits
Soulbound Security​
- Non-transferable: Licenses cannot be sold, traded, or transferred
- Identity binding: Permanently linked to the original holder
- Fraud prevention: Eliminates secondary market for licenses
Time-Based Expiry​
- Flexible duration: Licenses can have automatic expiry timestamps
- No expiry option: Set endTime to 0 for permanent licenses
- Automatic validation: System checks expiry status automatically
Admin Controls​
- License revocation: Admin can revoke and burn licenses
- License reassignment: Admin can transfer licenses to new owners
- Metadata updates: Update license information as needed
Upgradeable Architecture​
- Future-proof: Contract logic can be updated
- Data preservation: All existing data maintained during upgrades
- Security updates: Patch vulnerabilities without data loss
Standards Compliance​
- ERC-721: Standard NFT interface
- ERC-5192: Soulbound Token standard
- ERC-7572: Contract-level metadata
- ERC-7858: Expirable NFT standard
Instant Verification​
- Real-time status: Anyone can verify license status instantly
- Business integration: Partners can verify credentials automatically
- Compliance tracking: Monitor license validity for regulatory requirements