How to treat the second and third generation social security cards of Tianjin Construction Bank?

Distinguish which generation of social security card is from the appearance: the second generation social security card is a magnetic stripe card, and the latest third generation social security card is a chip card. The third generation social security card has more comprehensive functions than the second generation social security card. It is understood that the third generation social security card is a new generation integrated circuit (IC) card, which uses state secret algorithm to enhance the security of the card, and at the same time uses contact and non-contact "double interface" card reading applications to support social security functions and financial functions, and increases the function of storing biometric features.