The Historical Backlash The gold standard for transactional privacy was once Tornado Cash. Leveraging complex cryptography, it successfully broke the link between a user's deposit and their subsequent withdrawal. However, its sanction by the U.S. Treasury, following its misuse by state-sponsored criminal groups, sent a shockwave across the industry. This regulatory action signaled that code is not immune from legal consequence. Consequently, protocols on other chains reacted by halting operat...