> For the complete documentation index, see [llms.txt](https://multis.gitbook.io/guide-and-legal/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://multis.gitbook.io/guide-and-legal/frequently-asked-questions/security/data-protection.md).

# Data Protection

### Data Protection

#### Multis and your Data

Multis will not now or ever sell any user information that you enter on our app or our website.

**Our app and wallet**

Our interface is built on [Firebase](https://firebase.google.com/?gclsrc=aw.ds\&gclid=Cj0KCQjwnueFBhChARIsAPu3YkTJUNOIP0sCWScMF2D6r7-3KiWGWoe33xWaG1FDQUFQu6I1lvuIwyoaAq7LEALw_wcB). Our wallet is made on Gnosis Safe, which stores over 90 billion USD worth of digital assets. In addition, gnosis Safe core smart contracts have passed the highest possible security standard in the industry: Formal Verification.