evalda yeah I've heard malware jumping across OSes is extremely unlikely, but it's reassuring to hear confirmation from some experts here. Especially in a forum where security is the utmost concern.
or another GOS (or even stock Pixel) to flash your second-hand device would make this risk even smaller
Wow I did not know you could use another GrapheneOS device to flash GrapheneOS. That's incredible. We should have a PGP chain-of-trust style system where everybody gets their installation from somebody else's installation, starting with the GrapheneOS lead developer as the root