chore: more stuff

Author: douglaz

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

@@ -23,6 +23,7 @@ meetup: "https://lu.ma/2kns3r9m"
 
 ## Bitcoin
 
+* [<1 sat/vB mempool](https://gist.github.com/douglaz/b2a660e4143ef0f282dc60810bf6c85b)
 * [Bitcoin Snapshots - signed and pre-synced UTXO Set torrent](https://bitcoin-snapshots.jaonoctus.dev/)
 * Quantum proposals
     * [jlopp's Post Quantum Migration](https://github.com/jlopp/bips/blob/quantum_migration/bip-post-quantum-migration.mediawiki)