{"id":"tp-50981","type":"article-newspaper","title":"Bitcoin Developer Sketches Post-Q-Day Collateral Rule for Vulnerable Coins","author":"Simon Yoon","publisher":"TOKENPOST Inc.","url":"https://www.tokenpost.com/news/technology/50981","datePublished":"2026-11-07T18:00:34.000Z","dateModified":"2026-11-07T18:00:34.000Z","language":"en","abstract":"Bitcoin Core developer Cory Fields outlined a hypothetical rule that would require collateral for legacy Bitcoin (BTC) spends after a future “q-day” and activation of new validation rules. His 30-day waiting period is…","section":"Technology","references":[]}