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Identity protocols enable secure indoor playground access via decentralized identifiers (DIDs) linked to verifiable credentials (VCs) for age verification, membership status, and health waivers. Zero-knowledge proofs (ZKPs) allow parents to prove child eligibility without sharing personal data. Smart contracts automate entry gates, validate discounts, and track session durations for capacity management. Blockchain audit trails reduce ticket fraud, while self-sovereign identity (SSI) lets families manage passes across multiple locations, streamlining check-ins and enhancing safety.
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