absolutely, zero chance for at least 5 years and 10% chance in the next 5 after that, that somehow they manage to actually crack a few hash reversals on SHA256 or for that matter reverse public keys (which is already mitigated by not reusing addresses).

i personally think that Grok was being kind to the quantum doomsayers, i personally don't think that there will be an economical to run quantum computer even remotely near able to crack the cryptography before 2040.

i think they are going to figure out there is a flaw in their physics theory about the quantum states, and turn out that the algorithms that supposedly would exploit this property are not actually possible, and probably won't be possible any time sooner than there is enough computing to brute force these hashes and signatures/pubkeys anyway, by which time everything will be long ago upgraded to 512 bits or more.