 He is notable for founding and administering the Cypherpunk mailing list, authoring "A Cypherpunk's Manifesto," creating and hosting the first anonymous remailer, and coining the motto, "Cypherpunks write code".The May/June 1993 issue of "Wired" featured a cover photo of three masked cypherpunks, of which Hughes was one.On September 27, 2012, Hughes delivered the keynote address, "Putting the Personal Back in Personal Computers", at the Amsterdam CryptoParty.