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Identity protocols support trampoline park entries via decentralized identifiers (DIDs) linked to VCs for ticket eligibility, age/height restrictions, and waiver status. Customers prove identity using zero-knowledge proofs (ZKPs) without sharing personal data. Smart contracts automate gate entry, validate discounts, and track safety compliance (e.g., "Trampoline Certification"). Blockchain audit trails reduce ticket fraud, while self-sovereign identity (SSI) lets families manage passes across multiple parks.