It asks how wallets design secure login/auth flows (e.g., transaction signing, session keys, or wallet adapters) while still protecting user privacy — meaning no unnecessary data sharing, no central storage of private keys, and minimal exposure of personal info.

In short: the topic is secure and privacy-preserving authentication systems in Sui wallets.

Sui wallets utilize zkLogin integration sui.io for zero-knowledge authentication, enabling users to prove identity without revealing personal data. The system implements session management with rotating authentication tokens and multi-factor verification options, ensuring secure access while protecting user privacy.