Choosing the right authentication strategy is critical for balancing security and user experience. This guide compares passkeys and multi-factor authentication (MFA), explaining how each works, their advantages, limitations, and ideal use cases. Learn when passkeys provide a passwordless, phishing-resistant experience, when MFA offers additional security layers, and how the two can complement each other. Whether you're securing customer or workforce identities, this comparison helps you determine the best authentication approach for your organization's needs.