In QM information can be created (by measurements), but not destroyed* (no-deletion/no-cloning theorem). To "store" that information you need to have enough pos

In QM information can be created (by measurements), but not destroyed* (no-deletion/no-cloning theorem). To "store" that information you need to have enough possible physical quantum states (the kind bounded in Bekenstein bound) which is thermodynamic entropy. [*] what made blackhole information paradox controversial