According to statistical results from the Financial Supervisory Commission, the number of e-payment users has reached 5,880,000 by the end of September, 2019. Also, the amount of purchase and deposit through e-payment recorded a new high in the same month. Based on the analysis conducted by specialists of the Financial Supervisory Commission, banks have launched new e-payment systems during these difficult times due to COVID-19. The credit of wonderful effects can be given to their cooperation with e-payment. In today’s QSFP28 Connector and Technology article, we will introduce and discuss several co-branded cards in Taiwan.