Signicat’s Email OTP is a simple identification method based on one-time passwords sent by email. A typical scenario may look like this:
Although this method alone does not provide a high level of security, there are no technical obstacles that prevent merchants from using Email OTP as a standalone authentication method. However, the most common and recommended use is to use it to boost an existing login process. Integrating Email OTP in any username/password login solution will result in a 2-factor authentication method.