Which security innovation in transportation payment systems led to a 65% reduction in fare evasion when first implemented in major transit systems during the 2010s?

Modern transportation systems have transformed how we pay for travel, with security being a critical concern. From paper tickets to contactless cards and mobile payments, the evolution of transit payment systems has been driven by both convenience and security needs. This trivia question tests your knowledge about a significant security advancement in transportation payment systems that changed the industry landscape.

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Biometric verification gates that scan fingerprints
RFID-enabled contactless cards with encrypted tokens
Blockchain-based fare collection with distributed verification
AI camera systems that identify and automatically bill passengers