Cardholder wallet
The application on the cardholder's side is also called the digital wallet . This software plug-in contains a consumer's digital certificate, shipping and other account information. This critical information is protected by a password, which the owner must supply to access the stored data. In effect, an electronic wallet stores a digital representation of a person's credit card and enables electronic transactions.
Merchant server
On the merchant side, a merchant server accepts electronic credit card payments.
Payment gateway
The payment gateway is the bridge between SET and the existing payment network. A payment gateway application translates SET messages for the existing payment system to complete the electronic transaction.
Certificate authority
The certificate authority issues and manages digital certificates, which are proofs of the identities for all parties involved in a SET transaction.
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