Define electronic payment system

Distinguish micro electronic payment and macro electronic payment

List the types of micro electronic payments based on its algorithm

Explain the concept of e-wallet

What is the use of (POS) Point of Sale Terminal?

What are Payment cards?

What are the two types of electronic payment system?

What is credit card payment system?

What algorithm is used for Cryptocurrency?

What is Altcoin?

What is the use electronic wallet?

Advantages of unified payments interface?

What is called gift cards?

What is mean by point of sale?