ICa (アイカ, Aika) is a rechargeable contactless smart card ticketing system for public transport in Kanazawa, Japan, introduced by Hokuriku Railroad (Hokutetsu), from December 1, 2004. The name is the portmanteau of IC and card, as well as ai (love), hoping the card will be loved by users. Just like JR East's Suica or JR West's ICOCA, the card uses RFID technology developed by Sony corporation known as FeliCa. There is a mascot fairy character called ICa-chan (アイカちゃん, Aika-chan).