I'm joined by guests Andrew Poelstra and Adam Gibson to discuss SegWit and related issues including taproot, schnoor, inscriptions and the witness discount. Discussion Topics: 00:02:14 Introductions to guests 00:05:06 Introductions to episode 00:06:12 bech32 00:15:46 The malleability problem 00:22:23 Mental model for understanding malleability 00:26:16 Primer on SegWit 00:36:23 Why does witness data have a discount? 00:42:40 What is sighash? 00:46:55 How is the weight calculated? 00:53:19 Inputs and outputs 00:58:41 Importance of the UTXO set 01:02:45 Block size considerations 01:04:13 Calculating the witness data discount 01:09:00 Introduction to Taproot and Schnoor 01:11:08 Schnoor signatures 01:21:01 Taproot 01:36:59 Taproot use cases 01:40:31 Timelocks, covenants and OP_VAULT 01:44:44 Taproot + lightning 01:47:17 Ordinals and inscriptions 02:06:40 References 02:09:11 Final thoughts Links & Contacts: Website: https://bitcoin.review/Podcast Twitter: https://twitter.com/bitcoinreviewhq NVK Twitter: https://twitter.com/nvk Telegram: https://t.me/BitcoinReviewPod Email: producer@coinkite.com Nostr & LN:⚡nvk@nvk.org (not an email!) Full show notes: https://bitcoin.review/podcast/episode-29/