I'm responsible for managing 30+ firewalls at my bank. If any one of them is incorrectly configured an attacker could get into our network and all that would take is a tiny incorrect detail on one line. And I'm keenly aware that I'm a mortal human being and very possibly could make such a mistake.
Or the network could be compromised through any of hundreds of other ways: email, USB stick, insider attack, etc. etc. etc...
And that's just my bank. Any given transaction will go through several all with similar weak points, and some of them with firewall admins even less competent than myself.
To me there's just no comparison. The scale of failure modes or attack points for a bank is way way bigger than any cryptocurrency. The reason it works at all is banks have well-paid guys like myself pouring over every detail and keeping things working.
That's another good point, the reason the bank employs people to pore over every detail is because they're liable to make sure it works right. If I say "send $1000 to account X" and the $1000 vanishes, that's their fault.
But if something goes wrong in cryptocurrency, whoops, guess I should have just known better.
Or the network could be compromised through any of hundreds of other ways: email, USB stick, insider attack, etc. etc. etc...
And that's just my bank. Any given transaction will go through several all with similar weak points, and some of them with firewall admins even less competent than myself.
To me there's just no comparison. The scale of failure modes or attack points for a bank is way way bigger than any cryptocurrency. The reason it works at all is banks have well-paid guys like myself pouring over every detail and keeping things working.