I guess that's true. It's more complicated than just a ledger, though. Gaining full access to internal communications of banks, military, governments, etc. seems like a juicier target than bitcoin.

Not constructive to compare banks' response to the quantum threat to Bitcoin's because banks can just update their ledger and bam, it's quantum-proof. Bitcoin's decentralized network needs more coordination.

teemupleb

That's the best point. I can't put my hands on it now, but 

 linked to a good article about how ridiculous it is to dismiss the barriers to quantum computing as mere "engineering issues." Not to mention the fact that if this fantasy comes to pass, the entire world financial system is a far bigger and less secure target. Somehow the banks never get punished with this fud.

bitcoin

Nic Carter is *not* happy about Bitcoin devs' attitude toward quantum

Scoresby

That's the best point. I can't put my hands on it now, but @Scoresby linked to a good article about how ridiculous it is to dismiss the barriers to quantum computing as mere "engineering issues." Not to mention the fact that if this fantasy comes to pass, the entire world financial system is a far bigger and less secure target. Somehow the banks never get punished with this fud.