Email is the world’s most popular online communication medium. Over 4 billion active email users worldwide exchange over 300 billion emails daily. This massive user base makes email an effective marketing medium for every business.
One-time password (OTP) technology is a popular way to authenticate users or confirm a single network action. To verify the requested operation, the user has to enter a one-time code which they receive by email or SMS. This code works only once and is valid for a limited period of time.
As you may already know, a one-time password, or OTP, is a code that is valid for only one login session or transaction. You are likely already well acquainted with this technology, as it has by now been widely adopted by many businesses, from finance to online retailers.
A one-time password (OTP), often referred to as one-time PIN or dynamic password, is a password or passcode used to log into a system or application. Unlike regular passwords, though, it expires on its very first use and may also be valid only for a certain time period. In this article, we’ll explain how it works, discuss its potential benefits and show a few usage examples from top-tier companies.