> For the complete documentation index, see [llms.txt](https://erium-exchange.gitbook.io/erium-developers/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://erium-exchange.gitbook.io/erium-developers/introduction.md).

# Introduction

Erium provides a defi gateway to a multichain ecosystem. With Erium you can easily manage and exchange 2000+ cryptos through your web browser, mobile device, desktop computer, and hardware wallet. 

Download the Erium mobile app: 

Android - <https://play.google.com/store/apps/details?id=io.horizontalsystems.erium>

IOS -  <https://apps.apple.com/ng/app/erium-wallet-crypto-exchange/id1590924105>