EntityQ7095552· pop 7· linked from 184 articlesOpalSign in to savetransport ticketing system in New South Wales, AustraliaConnectionsThe Sydney Morning HeraldEntitycontactless smart cardEntitySydneyCityCOVID-19EntityNew South WalesEntityAndroidEntityWayback MachineEntityiOSEntityNewcastleEntityintegrated circuitEntity2000 Summer OlympicsEntityAustralian dollarEntitymobile appEntityradio-frequency identificationEntityVisa Inc.EntityMastercardEntityUniversity of SydneyEntitySydney AirportEntitynear-field communicationEntityAmerican ExpressEntityCategories2012 establishments in AustraliaContactless smart cardsFare collection systems in AustraliaTransport in New South Wales