Deep Dive Two-Factor Authentication vs Passkeys: A Head-to-Head

Deep Dive: Two-Factor Authentication vs Passkeys – A Head-to-Head The authentication landscape is shifting rapidly: for decades, passwords paired with two-factor authentication (2FA) were the gold standard for securing user accounts. Now, passkeys – built on FIDO2 and WebAuthn standards – are emerging as a passwordless alternative, promising stronger security and better usability. This technical deep dive breaks down how each works, their strengths and weaknesses, and how they stack up across ke