Let me avoid the technical aspects to make things easy for all readers.
So someone said that America's NSA has this great computer(quantum computer) that could easily hack Bitcoin private keys. I really doubt his claim but I know for sure that certain computers like the most powerful Super Computers are within the reach of some of this Intelligence organizations.
Do you think such computers can crack any security codes put in place to make Bitcoin very secure?
This is the first I read of such thing but if it is possible to steal a bitcoin private key, then this could render Bitcoin worthless, I think this is one of the things that can contribute to Bitcoin's downfall, we all know bitcoin is secure peer to peer transaction, if it is not safe anymore, nobody will use or hold it anymore.