Multichannel Two Factor Authentication (Multichannel 2FA) is a method of Multi-Factor Authentication where one or more the Authentication Factors involved are communicated over separate communication channels or protocols.
Demo: https://codecanyon.net/item/multichannel-two-factor-authentication-for-perfex-crm/31483023
WooCommerce Two Factor Authentication plugin seamlessly integrates into your WooCommerce login page implementing a two-factor authentication process!