I. Case Snapshot: The World's Most Colossal Crypto Ponzi Scheme Element Details Timeframe 2014–2025 Chinese Platform Tianjin Lantian Gerui Electronic Technology Co., Ltd. The Lure 100%–300% annualized returns, pitched as "Bitcoin Mining + AI Wealth Management" Victims 128,000 individuals, predominantly middle-aged and elderly (ages 50–75) Amount 43 billion RMB converted into 61,000 Bitcoin (reaching a peak value of 50 billion HKD) Mastermind Qian Zhimin (under the alias Yadi