Why it matters
2FA can help protect exchange accounts from password theft. Authentication apps are often safer than SMS codes.
Limits
2FA is useful, but it does not protect against every phishing attack or unsafe wallet approval.
Related pages
Read about phishing and compare exchange safety basics.
How to use this term
Use Two-factor authentication as a practical checkpoint when comparing exchanges, wallets, cards or on-chain tools.
What to check
Check how the term appears in fees, limits, account rules, wallet flows and risk notes before making a platform decision.