• #define CTO OpenAI https://blog.gregbrockman.com/define-cto-openai 42 comments 13/1/2017
• #define CTO https://blog.gregbrockman.com/define-cto 107 comments 27/10/2014

• Mark Wilcox - "The Blockstream CTO does not view SHA-256 as a defining trait of the Bitcoin system" https://twitter.com/mwilcox/status/917289047617236992 114 comments 9/10/2017 btc