# What is layer 2?

**Published by:** [xinfei](https://paragraph.com/@xinfei/)
**Published on:** 2022-05-07
**URL:** https://paragraph.com/@xinfei/what-is-layer-2

## Content

Layer 2 (L2) is a collective term to describe a specific set of Ethereum scaling solutions. A layer 2 is separate blockchain that extends Ethereum and inherits the security guarantees of Ethereum. Now let’s dig into it a bit more, and to do this we need to explain layer 1 (L1).

## Publication Information

- [xinfei](https://paragraph.com/@xinfei/): Publication homepage
- [All Posts](https://paragraph.com/@xinfei/): More posts from this publication
- [RSS Feed](https://api.paragraph.com/blogs/rss/@xinfei): Subscribe to updates