In cryptocurrencies the desire is often to not tie a legal entity to a wallet, hence digital cash. Likewise Tor, again anonymity may be the entire the purpose. However other mechanisms exist that do exactly this when desired: Tor only uses EV SSL to make sure you're communicating with the legal entity you think you are. At CertSimple we have customers including Privacy International and Buzzfeed that use our Tor EV product for exactly this.
Linking PGP keys to identities is done at most well known universities, as you noted.
Keybase links pubkeys to social media accounts, but that's also the point: a single network endpoint is not a sufficient indicator of identity.
Debian key parties link passports and drivers licenses to pubkeys.
Windows binaries are signed with EV certs.
> I can guarantee that by typing in the https URL they (the bank) gave me on the welcome brochure.
Users will never type in most URLs, let alone every URL.
Linking PGP keys to identities is done at most well known universities, as you noted.
Keybase links pubkeys to social media accounts, but that's also the point: a single network endpoint is not a sufficient indicator of identity.
Debian key parties link passports and drivers licenses to pubkeys.
Windows binaries are signed with EV certs.
> I can guarantee that by typing in the https URL they (the bank) gave me on the welcome brochure.
Users will never type in most URLs, let alone every URL.