# Former Mt.Gox CEO Catalogs 14 Tampered or Counterfeit Ledger Devices By Simon Yoon Canonical URL: https://www.tokenpost.com/news/technology/32156 Published: 2026-10-15T01:12:45.000Z Updated: 2026-10-15T01:12:45.000Z Section: Technology > The list names seven sellers and includes devices modified with added circuitry and counterfeit units described as lacking a secure element. Former Mt.Gox CEO Mark Karpelès has published a public catalog of 14 Ledger devices classified as tampered or counterfeit, with entries naming seven sellers. The listings include devices modified with added circuitry and counterfeit units described as lacking a secure element. Each entry links to an original report, and the page accepts submissions of additional cases. Karpelès compiled the entries from public reports and images shared on X. The personal open-source intelligence project follows his [earlier warnings about altered Ledger devices]() and is not an official Ledger finding. ## Links in this article - [earlier warnings about altered Ledger devices](https://www.tokenpost.com/news/technology/29128)