Did you know? Phil Zimmermann released PGP in 1991, then spent three years under US criminal investigation for "munitions export" — he beat it by publishing the source as an MIT Press book, since print was First Amendment protected. The web of trust replaced certificate authorities with keysigning parties: strangers vouching for strangers, no institution in the middle. Nostr's npubs and follow graphs are the same idea on an open timeline. #nostr #PGP #cypherpunk