WhatsApp users can now secure chat backups using passkeys: How to enable the feature

WhatsApp has added a new feature to secure user chat histories by introducing passkey-based encryption for chat backups. The feature, which began rolling out on Thursday, enables users to protect their backups using their phone’s fingerprint, face recognition, or screen lock, rather than relying on a password or manually storing a 64-digit encryption key.

What the update means for users