I'm joined by guests Andrew Poelstra, Rob Hamilton, and Rijndael to discuss OP_CAT. Discussion Topics 00:00:50 Guest introductions 00:01:13 Overview of OP_CAT 00:02:47 History of OP_CAT 00:08:48 Technical explanation of OP_CAT 01:00:31 Issues with existing complexity 01:02:05 OP_CAT versatility and product market fit 01:06:07 Complexity of interactive protocols 01:10:05 Analogies, historical challenges and solutions 01:19:27 Risks and safe engineering of OP_CAT 01:24:03 Bitcoin economics and technicals vs Ethereum 01:38:39 Drivechain history, economic incentives and attacks 01:51:59 What you can do with OP_CAT 02:00:59 Script restoration 2:09:40 Activation strategies 02:23:00 Closing remarks Links & Contacts ⁠⁠⁠Website⁠⁠⁠: https://bitcoin.review/Podcast ⁠⁠⁠Substack⁠⁠⁠: https://substack.bitcoin.review/ ⁠⁠⁠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-69