Titled "Building a One-time Password Token with the Pi Pico W," this project does exactly what it claims to do; it lets you generate a six-digit code that you can use to log into services. Here's ...

In my opinion, a simple time-based OTP generator such as RSA's securid is the most efficient in the market. They come in different shapes, a key shape, in credit card form, etc.

RSA has announced the RSA SecurID 1100 Display Card. This one-time password authenticator is in a flexible card form-factor designed to help financial institutions and their customers secure online ...

The application then generates an OTP (One-Time Password) that is used to log in. ... The idea of using an iPhone instead of a separate OTP generator sounds appealing to some CIOs.