> Obviously this is a horrible use case, and I'm not sure if such websites actually exist or are just rumors.

polymarket has an @died tag, which I assume is for betting on people's deaths (I never used the site, and it's currently inaccessible) given apparently someone recently made half a mil betting on Khamenei's death, and a cool billion was traded on bets on the timing of the bombing of iran https://www.npr.org/2026/03/01/nx-s1-5731568/polymarket-trad...