Thanks! I didn't know about Security Dynamics.
I think there's a lot of neat improvements you can make on 2FA products for different markets. But it's kind of at the point where if I wanted to continue working on a better 2FA token, I would have to get funding and do it full time. Although it's always tempting, I'm not sure I want to "cash out" of school and regular life just yet.
Also if I don't work in government I'd be in a lot of debt to pay back school. So that's an additional hurdle.