A PKI distributed is a PKI solved
In 2006, a crack automotive standard was sent into oblivion by technical reality for good its intentions it could not yet fulfill. These intentions promptly escaped from a maximum security stockade to the Berlin hacker underground.
Today, still wanted by everyone in the industry they survive in the form of a new decentralized PKI. If you have a problem, if no one else can help, and if you can find it… maybe you can finally see ISO 20828 rise from the ashes.