Huh ?
Blockchain certainly have a 2-factor authentication process. When you enter your ID, it sends a code to the email address associated with the wallet.
So a simple phishing attack won't work.
Cybercrooks have launched a phishing campaign targeting Bitcoin users – and it's enjoying high response rates despite the seemingly random spraying of corporate email addresses with the spam-based scam. Security-as-a-service provider Proofpoint has detected 12,000 messages sent in two separate waves to more than 400 …
Because Bitcoin transactions are irreversible and difficult to trace by design, victims will have little or no recourse but to accept their losses. ...if your Bitcoin wallet is compromised, the contents are gone for ever, and there is no way to get anything back. Unfortunately, this is one of the reasons why Bitcoin fraud is becoming popular.
Welcome to the wild, wild West! This system was purposefully set up to shut out government eyes, doing away with both the good and the bad of governmental oversight. No surprise that it makes for an awfully tempting target.