What Is an Authenticator App and Why Is It Required?

An authenticator app is a two-factor authentication (2FA) tool based on the TOTP algorithm that generates a new 6-digit one-time password every 30 seconds. Each code expires immediately after use and cannot be intercepted or reused.

Because XNCE supports USDT/USDC withdrawals — which are irreversible and untraceable once sent — enabling the authenticator is mandatory for all users to protect your funds from unauthorised access.