Today, the new attempt is Keybase.io, which many users like for its convenience (linking PGP keys to social media accounts). But it fundamentally violates the end-to-end privacy principle of PGP by binding keys to privacy-invading services. Periodically, he said, proposals pop up to implement "validating" PGP keyservers—but none of them work in a decentralized fashion. He urged users to stand up against all attempts to centralize PGP.
Finally, he looked at federation in general. Mail servers have more and more difficulty interoperating, he said, and XMPP has "lost its track" and is being replaced by centralized systems like WhatsApp and Signal. He encouraged developers to make federation a priority and to design for it from the beginning.
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