Which transportation payment system was the first to introduce contactless smart card technology for public transit on a large scale?

The transportation industry has seen remarkable innovations in payment technologies that have transformed how passengers pay for their journeys. From paper tickets to contactless cards and mobile apps, payment systems in transportation have evolved dramatically over the decades. This trivia question tests your knowledge about a groundbreaking payment system that changed urban transit forever.

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Hong Kong's Octopus Card (1997)
London's Oyster Card (2003)
Tokyo's Suica Card (2001)
Singapore's EZ-Link Card (2002)