Longchengtong can not only be used when taking public transport (ordinary card when taking public transport, can be used by many people at the same time, it must be swiped several times according to the number of passengers), but also can recharge the China Mobile phone fee account, which will gradually expand to more consumer areas in the future, without the need for additional opening.
When purchasing a named card, you can choose an indenture password, and you must enter the password when the merchant swipes the card to improve the security of the account funds.