I've heard it explained as "It is like finding one specific grain of sand on an earth where all grains of sand on earth are earths with sand." Even shuffling a

I've heard it explained as "It is like finding one specific grain of sand on an earth where all grains of sand on earth are earths with sand." Even shuffling a deck of cards has more arrangements than stars in the universe. If technology advances enough to brute force that many keys in a reasonable amount of time, then every other password and security technology that uses cryptography will also be compromised. It's just a 2x sha256 right?