Which transportation payment system was the first to successfully implement contactless smart card technology for mass transit, later becoming a model for retail payment innovations worldwide?

The transportation industry has undergone significant transformations in how passengers pay for their journeys. From paper tickets to digital solutions, payment systems have evolved to enhance convenience and efficiency. This poll tests your knowledge about a groundbreaking payment innovation that revolutionized urban public transportation and influenced retail payment systems worldwide. Can you identify which major transportation payment system pioneered the concept that would later inspire numerous contactless payment methods?

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

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