Mybi
The Mybi card is a kind of contactless smartcard used in South Korea. This system was introduced in 2000 as a new fare collection system for the Busan area. now discontinued. see cashBee. Lotte started new name and united fare card. (eB card -> Upass + Mybi = cashBee) Technology. Mybi uses MIFARE Standard 1k and PROX technology. Compatibility. KB Free Pass and KTX Family Card are Mybi-compatible system. Areas. Mybi is now used in many areas.