Layer 2
A network built on top of a base blockchain that processes transactions separately and posts results back, reducing cost and congestion on the main chain.
Also called L2 · rollup · layer two
A network built on top of a base blockchain that processes transactions separately and posts results back, reducing cost and congestion on the main chain.
Why it matters
Layer 2s inherit some of the base chain's security but add their own assumptions, including how withdrawals are handled.
Related terms
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