I looked at Purism for privacy while the social media platform abuse your privacy. During that process, I found 2 crypto coin apps which are part of this app store. See the detail on what I mean here .Get some free trading books here https://quantlabs.net/

 

https://quantlabs.net/blog/2020/10/why-is-doge-and-litecoin-in-purism-privacy-app-store/