Expand it.
Use of e-check: (1) The consumer and the merchant reach a purchase and sale agreement and choose to pay by e-check.
(2) The consumer sends an electronic check to the merchant through the network, and at the same time sends a payment notice to the bank. (3) The merchant verifies the electronic check provided by the consumer through the verification center, and sends the electronic check to the bank for payment after the verification is correct.
(4) When the merchant asks for payment, the bank verifies the electronic check provided by the consumer through the verification center, and immediately pays or transfers money to the merchant after the verification is correct. The payment process of electronic check is not single, it is closely related to the electronic check system to be applied.