You don’t evwn need to “scan” anything - you can copy and paste the steing they provide into, for example, KeepassXC, and then thoroughly back up its database.

There is friction in form of having to create an account and avoiding getting suspended or asked for a phone number, which t today seems about as easy as carding.

For $100, you could rent a VPS for a year and host whatever chat service you want on it, with whatever rules you want.

It’s a Pixel… Y’know, the phone universally supported by degoogled OSes including Graphene? The ease of unlocking the bootloader is the only reason I have one at all!