[lectrick]

There is so much misunderstanding around cryptography.

Steps To Hack Blockchain.info

1) Discover a zero-day exploit in the operating system that Blockchain.info runs on

2) Hack it

3) Compromise the javascript that it delivers to the client

4) For the next 10 minutes or so (or up to the point the hack is discovered), anyone who logs into Blockchain.info via the web app and types in their password is compromised. Period.

Now, granted, this won't affect EVERYONE who has a Blockchain.info account, only the ones who log in while it's hacked.