Which transportation company first implemented a completely contactless mobile payment system that allowed passengers to tap and ride without pre-purchasing tickets?

The transportation industry has undergone massive digital transformation in how passengers purchase and use tickets. From paper stubs to mobile QR codes, the evolution of ticket retail systems has changed how we travel. Test your knowledge about a groundbreaking ticketing innovation that revolutionized transportation retail and passenger experience.

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Transport for London (TfL) with their Oyster Card system
New York's Metropolitan Transportation Authority (MTA) with their MetroCard system
Japan Railways Group with their Suica card system
Hong Kong's MTR with their Octopus card system