IruCa

IruCa (イルカ, Iruka) is a rechargeable contactless smart card ticketing system for public transport introduced by Takamatsu-Kotohira Electric Railroad (Kotoden) in Takamatsu, Japan from February 2, 2005. The name comes from IC and iruka (dolphin), the latter being the mascot character of the company. Just like JR East's Suica or JR West's ICOCA, the card uses RFID technology developed by Sony corporation known as FeliCa. As of July 2006, 77,000 cards are issued.

A card reader at a convenience store.

The card is usable in all the Kotoden railway lines, as well as Kotoden bus lines. The function as an electronic money is also experimented in the limited number of stores in Takamatsu, including Tenmaya Department Store.

Types of cards
  • IruCa commuter pass: A rechargeable commuter pass.
  • IruCa ticket:
    • Free IruCa: Blue. A blank card that doesn't need a registration.
    • School IruCa: Yellow. Students of some selected schools can use this.
    • Senior IruCa: Purple. For 65 years old or above.
    • Kids IruCa: Red. For elementary school students.
    • Green IruCa: Green. For handicapped customers. Fares always become half priced.
gollark: It would be limited to 100ms of CPU per event or something, but you could have people trigger events and such too much.
gollark: Actually, hmm, people could maliciously invoke it a lot, but I suppose they would have to give it money so I'm not sure that's an awful issue.
gollark: So the "contract" would basically be a sandboxed bit of code which can be triggered on events, which is publicly viewable/auditable, and which can send and be sent krist.
gollark: Maybe I should try and clarify the exact model of this a bit, hm.
gollark: Say, 1KST per thousand invocations (precise number up for debate).
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