chore: minor improvements

Author: douglaz

_posts/2025-07-18-socratic-seminar-004.md

@@ -18,7 +18,7 @@ meetup: "https://lu.ma/2kns3r9m"
 
 * [LN native prediction market](https://beta.predyx.com/)
 * Mesh networks
-    * [Bluetooth](https://x.com/jack/status/1941989435962212728?s=46)
+    * [Bluetooth](https://xcancel.com/jack/status/1941989435962212728?s=46)
     * [LoRa](https://gist.github.com/douglaz/6079bf3aafdfa594fa5b78ba45ceb9fc)
 
 ## Bitcoin
@@ -34,6 +34,7 @@ meetup: "https://lu.ma/2kns3r9m"
 
 * [Zerolink CoinJoin coordinator](https://ashigaru.rs/news/announcement-whirlpool/)
     * [Security Analysis](https://gist.github.com/84adam/e130b40cff5915de67b86fc8e452c8aa)
+    * [Response](https://gist.github.com/84adam/3f38280ca2d0ca8362235f0afea2d153)
 * [wskdf](https://github.com/douglaz/wskdf)
 * [White Noise is out!](https://jumble.social/notes/nevent1qqsdl4v3l249aq8wk8nf4uptzmmr3xgr5arye9xf5ehkqmexp27mcnqpzdmhxue69uhhwmm59e6hg7r09ehkuef0qgspwwwexlwgcrrnwz4zwkze8rq3ncjug8mvgsd96dxx6wzs8ccndmcrqsqqqqqphyxwc2)