CZ Shares How to Stay SAFU as Crypto Data Leak Wave Hits 4 Major FirmsBy AdminBitOctober 28, 20260 Binance founder Changpeng Zhao (CZ) shared a security playbook after four data leaks hit two major crypto exchanges and two Korean finance firms on the same day. Each crypto data leak, he warned, feeds phishing, SIM swaps, and social engineering.