# What is layer 2?

By [fisherweb.eth](https://paragraph.com/@fisherweb) · 2022-10-08

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What is layer 2? Layer 2 (L2) is a collective term to describe a specific set of Ethereum scaling solutions. A layer 2 is a separate blockchain that extends Ethereum and inherits the security guarantees of Ethereum.

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*Originally published on [fisherweb.eth](https://paragraph.com/@fisherweb/what-is-layer-2)*