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Decentralized identity (DID) enhances music lesson bookings via VCs for student eligibility, skill levels, and payment details. Students prove identity using zero-knowledge proofs (ZKPs) without sharing personal data. Smart contracts automate scheduling, validate discounts, and track attendance for progress tracking. Blockchain audit trails reduce fraud, while self-sovereign identity (SSI) lets users manage bookings across multiple instructors, personalizing lesson plans and instrument rentals.