"While we are at it, when can we fix similar issues below with mainstream financial systems that millions of people are still using?"
The literal answer to your question is, no, probably not.
It's not that it's impossible, it's that a lot of the technical talent required for doing it at every financial institution that would need to, is deployed elsewhere (some of it in finance, but not in the improving-security part of it).
The literal answer to your question is, no, probably not.
It's not that it's impossible, it's that a lot of the technical talent required for doing it at every financial institution that would need to, is deployed elsewhere (some of it in finance, but not in the improving-security part of it).