What it means
Layer 1 networks process transactions and provide the foundation for assets, apps and smart contracts.
Why it matters
Fees, speed and security vary between Layer 1 networks.
Related pages
Continue with Layer 2 or return to the crypto glossary.
How to use this term
Use Layer 1 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.