keybase.io also decided that PGP is terrible and made their own ASCII armor format (that is arguably much better than the horrible abomination that PGP likes to

keybase.io also decided that PGP is terrible and made their own ASCII armor format (that is arguably much better than the horrible abomination that PGP likes to produce). Basically unless you plug your GPG installation into keybase or do other GPG specific things, it's not using PGP/GPG at all and instead their own format.