Simple definition
Two-factor authentication is an account security method that requires a second verification step in addition to a password.
Longer explanation
Two-factor authentication is an account security method that requires a second verification step in addition to a password.
Two-Factor Authentication is a glossary page. Use it to connect the definition to platform rules, payment workflows, privacy settings, tools, and regional availability because providers may define terms differently. This page should not be treated as a guarantee of current fees, payout rules, policy details, referral rewards, legal requirements, or country availability. Keep notes on what you checked, when you checked it, and which official source confirmed the detail.
Why it matters for creators
Understanding two-factor authentication helps creators compare platforms, tools, payment workflows, privacy settings, business records, and official terms with fewer assumptions. Definitions can vary by provider, country, or product, so use this glossary as a starting point before checking the source rules that apply to your workflow.