> For the complete documentation index, see [llms.txt](https://dagora.gitbook.io/guides/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://dagora.gitbook.io/guides/egm/ecosystem/l2.md).

# L2

L2 facilitates more transactions, helps scale layer one blockchains and allow higher transactional throughput. 

Notably, there are a few different L2 'solutions' but no single solution can solve every problem.

### L2 Types

* Roll ups
* Zero Knowledge Proofs
* Side Chains