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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