
244 - Fees, Mempool, and UTXO Hygiene
By McIntosh
Ep. 244 · Aired Feb 12, 2026 · 1h 21m · Last boosted Feb 12, 2026
Chapters
Show Notes
This week McIntosh and Kenshin tackle the part of Bitcoin everyone thinks they understand… right up until a transaction gets stuck: fees, mempool dynamics, and UTXO hygiene. They frame fees as a live market for scarce blockspace, explain what you’re actually paying for (sats/vbyte), and show how transaction “weight” changes based on inputs/outputs—why a “cheap” fee rate can still be expensive if your transaction is big. They also cover the two practical “escape hatches” when things go sideways—RBF (Replace-By-Fee) and CPFP (Child Pays For Parent)—plus why wallet fee estimators can be misleading and why mem...
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Booooooooost!! Episode 244 is out!!!’n
