At least 100 Ledger hardware wallets have been found carrying the same spy implant, with reports emerging from Malaysia, Singapore, Russia, and Germany. Former Mt. Gox CEO Mark Karpelès (@MagicalTux) has tracked three generations of the compromised board and believes a single team built them all. Karpelès stated he "wouldn't be surprised" if a company is selling the implants to others, raising concerns about a broader supply chain attack targeting crypto users.