Operating systems are the systemic risk to crypto.

If compelled by the state…Apple, Google, and Microsoft can backdoor billions of devices through software updates to scan for private keys.

The capability exists.
https://www.theverge.com/2022/12/9/23500838/apple-csam-plans-dropped-eff-ncmec-cdt-reactions

Calyx is a fork of Android that's fully open source and runs any app that you can run on Android. The only drawback is that it only works on selected devices. It isn't crypto-specific, but it pretty much eliminates the possibilty of backdoors.

Artist from the future.

NFTs since 1998.

Bitcoin since 1985.

https://tomato.eth.co

*I'm just realizing I replied to a months old thread. I guess someone must have just recasted it. 😀