The mykiカード is a smart card used for public transportation in Melbourne, Australia. It allows users to travel on trains, trams, and buses by simply tapping the card on a reader when boarding and alighting. The card can be loaded with money or travel passes, making it convenient for both residents and visitors. To obtain a mykiカード, users can purchase one at various locations, including train stations and convenience stores. The card can be recharged online or at ticket machines. It is an essential tool for navigating the city's extensive public transport network efficiently.