"Is it the greatest solution ever to send OTP through SMS? No. Is it better than just a password? Yes." ...

One-time passwords (OTPs) are sent from tech support to people who ... (see two-factor authentication). As soon as the one-time password (OTP) is entered, it is no longer valid.

Samsung quietly announced last month that its Messages app is adding the ability to edit sent messages as well as auto-delete OTP codes. In addition, the Samsung Messages app no longer redirects ...