Facial recognition uses AI and liveness checks but faces risks from deepfakes, spoofing, and mass surveillance.Voice authentication offers fast, contactless login but struggles with AI voice clones and noisy environments.DNA offers unmatched identity accuracy but raises ethical risks like genetic misuse and lifetime data exposure.Multimodal systems combine face, voice, and behavior to boost security and reduce spoofing risks.Blockchain and AI defend digital IDs with encrypted storage, fraud detection, and consent-based access.Read More Stories .Join our WhatsApp Channel to get the latest news, exclusives and videos on WhatsApp