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two-factor-authentication-best-practices

better-auth/skills · Productivity

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Multi-factor authentication with TOTP, OTP, backup codes, and trusted device management for Better Auth. \n \n Supports three verification methods: authenticator apps (TOTP with QR codes), email/SMS codes (OTP), and single-use backup codes \n Handles complete 2FA sign-in flows with automatic session management, temporary 2FA cookies, and trusted device tracking with configurable expiration \n Built-in security features including rate limiting (3 requests per 10 seconds), encryption at rest for s