(and jeez, I know naming stuff is hard, but “Ploopy” is kinda bad as a company name).
Naming themselves after something which implies immortality would've been my pick - something like "Theseus", to suggest a Ship-of-Theseus kind of immortality, I dunno.
On the one hand, Bitcoin as an emoji would be basically useless.
On the other hand, it could work as an easy shorthand for "scam"