I think that it would be interesting to develop this technology for space communication. We could have instantaneous relay of information from probs and satellites located anywhere in the universe.
And the banks are insured by the FDIC and rely on the stability of the US bond market. It's a viscous cycle. Lol. It doesn't mean that the bitcoin can't be viable. I just don't think it can be as grandiose a currency as some people are envisioning