Founder of the website Cryptiana, Satoshi Tomokiyo, poses for a photo in an office building in Tokyo on October 7, 2026. Napoleon Bonaparte ordered the wartime missive written in code, creating a puzzle that went unsolved for more than 200 years -- until AI cracked it in a matter of hours. (Photo by Andrew CABALLERO-REYNOLDS / AFP via Getty Images) / To go with AFP story AI-technology-history-US-France, FOCUS by Katie Forster, with Zoe Leroy in Paris