Digital ID Card

ID Card or its variants may refer to: Identity document, a document used to verify a person's identity. Identifier, a symbol which uniquely identifies an object or record. The Card ID is an important security feature for "card-not-present" transactions that appears on the back of all VISA, MasterCard, and Discover cards. It enables online merchants, mail-order merchants, and telephone-order merchants to verify that the person making the purchase physically has the card. 

Companies and government departments may issue ID cards for security purposes, proof of identity, or also as proof of a qualification (without proving identity). A Card ID (or Card Identification number) most commonly refers to the security code on a credit or debit card used to verify online or phone purchases. Depending on the card type, it can also refer to a physical identity document, a gift card reference number, or an employee badge. Understanding the Functions, Types, and Standard Sizes of ID Cards. An ID Card is a critical tool across industries, serving as an official form of identification that grants holders legitimate access to restricted areas, services, or information