Could you elaborate on what you find meaningful about the authentication a CA provides?
Another neat trick is creating your own CA, and putting your root into the local trust stores of client nodes that you care about. (Be sure to permanently airgap your root key, and create intermediate signers.)
Another neat trick is creating your own CA, and putting your root into the local trust stores of client nodes that you care about. (Be sure to permanently airgap your root key, and create intermediate signers.)