{"id":"tp-33860","type":"article-newspaper","title":"Coldcard and Ledger Failures Put Multisignature Security in Focus","author":"Simon Yoon","publisher":"TOKENPOST Inc.","url":"https://www.tokenpost.com/news/technology/33860","datePublished":"2026-10-17T08:43:18.000Z","dateModified":"2026-10-17T08:43:18.000Z","language":"en","abstract":"Coldcard’s seed flaw affected firmware from 2021 through July 2026, while Ledger said an implant was added after affected devices left its control.","section":"Technology","references":[]}