@carnage4life Back in the Olden Times, when BitCoin didn't exist yet, DigiCash's bankrupcty was recent, and a lot of 'libertarian cypherpunk' folks were more into social theory than the maths of cryptography, one of the recurring ideas was that the simplest way to trade murder-for-hire services, with plausible deniability would be through a prediction market. (These existed, but I only know of offline betting parlours from these times.) You can probably find countless discussions about them on the remaining archives of the Old Usenet, cypherpunk e-zines, and maybe some early web forums.