In today's digital landscape, securing online interactions is more critical than ever. Traditional passwords are increasingly seen as vulnerable and inconvenient, prompting a shift towards Passkeys and the FIDO2 standard. These technologies offer robust, passwordless authentication methods. Passkeys leverage the secure elements of mobile devices, while FIDO2 authenticators, such as USB dongles or NFC-enabled cards, provide strong security without transmitting sensitive information. This blog explores the workings, advantages, and drawbacks of both methods, highlighting a significant leap toward a more secure digital future.