Solving #1 is interesting because it would also be useful if you didn't care to use a Handshake name and also didn't want to depend on the traditional CA system

Solving #1 is interesting because it would also be useful if you didn't care to use a Handshake name and also didn't want to depend on the traditional CA system. It could save the need to for companies to ever install a certificate on their employee's machines along with coordination around updating the certificate.