We've got another winner! Someone cracked this week’s “Find Satoshi Keys” puzzle and took home the 0.05 BTC prize. Check out the full breakdown of the riddle 👇

Clue 1️⃣ establishes the journey’s scope - pointing to a distant location and university where innovative ideas were born, setting the stage for an international academic quest. Clue 2️⃣ narrows the focus to KU Leuven specifically - describing a city of ancient knowledge and cobblestones, with a university founded in 1425 (MCDXXV). The mention of “a department where circuits hum and ideas spark” hints at the electrical engineering focus. Clue 3️⃣ provides the definitive identification - the reference to “king spider” (likely Willem) who “once walked these halls” confirms this is where our founder studied. The specific mention of “electrical engineering” and “signals, systems, and energy” clearly points to the ESAT department at KU Leuven. Clue 4️⃣ instructs users to locate this institution on a digital map and right-click the icon to reveal the precise coordinates to two decimal places - yielding Answer #1: 50.86, 4.68 Clues 5️⃣ & 6️⃣ transition from the physical location to the intellectual legacy - directing users to search academic archives for Willem’s scholarly work completed at this same institution, leading to Answer #2: Cryptanalysis of Submission to the CAESAR Cryptographic Competition iFeed