At the same time, this IC chip can encrypt the data in the card, which can not be copied, effectively preventing the card from being copied and stolen, and it is much safer than a card with a single magnetic stripe medium. Moreover, in addition to the original credit card payment method, the landlord can also pay by credit card at the merchants indicated by "UPCash", which supports "fast"
Pass flash payment merchants directly conduct credit card transactions, and these two payment methods do not need to verify passwords and signatures, which is very convenient to use.