Misconception: “Two-factor authentication (2FA) is a single switch that makes an exchange account invulnerable.” That neat idea is common, comforting, and wrong. 2FA is a toolbox of mechanisms—each with different failure modes, usability trade-offs, and threat models. For a US-based crypto trader trying to sign in to Kraken, understanding which 2FA you use, how it… Continue reading Kraken 2FA: myth vs. mechanism for US traders signing into an exchange