Digital identity is data stored on computer systems about individuals and organizations. Comprises personal data like usernames, passwords, and online purchase records. Creates comprehensive profiles through data doubles across various platforms
Fingerprints are unique impressions left by friction ridges on human skin. Fingerprints consist of 95-99% water and organic/inorganic constituents. Friction ridges form during fetal development and remain until death
UIDAI established in July 2016 to issue unique identity numbers to Indian citizens. Aadhaar is a 12-digit biometric identification system for identification and banking. System uses fingerprint, iris scan, and picture for verification
National ID is a wallet-sized card containing personal identification code. Issued by government agencies for government services and transactions. Process involves application, verification, and data storage
Estonia introduced digital ID cards in 2002 using secure chip technology. Mobile-ID launched in 2011 as alternative without physical card. Smart-ID introduced in 2017 as mobile app-based solution. Smart-ID now has 2.7 million users making 50 million monthly transactions
UIDAI launched in 2009 to issue unique identification numbers for Indian residents. Aadhar is a 12-digit number linked to PAN for financial transactions. Required for KYC and opening bank accounts