Public and private keys are the fundamental building blocks of secure transactions in the world of cryptocurrencies. These cryptographic instruments existed long before digital currencies were ...

For thousands of years, if you wanted to send a secret message, there was basically one way to do it. You’d scramble the message using a special rule, known only to you and your intended audience.

For the last five years, the FIDO Alliance -- led by Apple, Microsoft, and Google (with other companies in tow) -- has been blazing a trail toward a future where passwords are no longer necessary in ...