home / glossary / Layer 2

> define layer-2

Layer 2

A network built on top of a base blockchain (layer 1) such as Ethereum, processing transactions more cheaply and quickly while relying on the base chain for security. Rollups are the most common type.

Related terms

Gas fees

Where this comes up in our coverage

EthereumETHRobinhood ChainLighterLITAsterASTERMegaETHMEGA

→ Videos that cover it

all videos →
Arbitrum Is Growing—Does the ARB Token Capture the Value? | Daily Crypto IQ▶ watch

Arbitrum Is Growing—Does the ARB Token Capture the Value? | Daily Crypto IQ

Robinhood Chain Was Built for Wall Street. Then CASHCAT Happened!▶ watch

Robinhood Chain Was Built for Wall Street. Then CASHCAT Happened!

Most New Chains Won’t Make It — Here’s What to Watch!💡▶ watch

Most New Chains Won’t Make It — Here’s What to Watch!💡

→ Keep going

full glossary →

Test it: the Crypto IQ quiz. Educational only, not financial advice.

Raise your Crypto IQ, one stream at a time.

New breakdowns and live Token Autopsy streams on YouTube. Free, unlike most lessons in crypto.

Subscribe on YouTubeJoin the Discord