Many traders treat sign-in as a simple credential check: username, password, done. In practice, for a US-based Coinbase user who wants to trade Bitcoin or move funds between custodial and self-custody, “signing in” is a multi-layered operation that alters attack surfaces, custody assumptions, and regulatory exposure. This article walks a trader through a realistic case—logging… Continue reading Misconception first: “Signing in to Coinbase is just typing a password” — why that understates the real security and operational choices