What it means
Layer 2 networks can make transactions cheaper or faster while relying on another chain for part of their security model.
Why it matters
Users should understand bridge and withdrawal rules before moving assets.
Common mistake
Do not treat Layer 2 in crypto as a universal rule. Exchanges, wallets and card apps may use the same term differently, especially around limits, fees, networks and account restrictions.
User action
Before relying on this term, check the provider's official help page, fee schedule or product terms. If funds are involved, test with a small amount first and keep a record of the transaction or setting.
Related pages
Continue with Bridge or return to the crypto glossary.
How to use this term
Use Layer 2 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.