S17 E26: Steve Thurmond, Calin Culianu & The Phenomenal Big Blockers episode artwork

EPISODE · May 27, 2026 · 8H 14M

S17 E26: Steve Thurmond, Calin Culianu & The Phenomenal Big Blockers

from Bitcoin Takeover Podcast · host Vlad Costea

Almost 9 years since the big split of the Bitcoin community, it's time to learn more about how the Bitcoin Cash chain developed. Calin Culianu is the creator of Fulcrum, an efficient privacy-preserving SPV client. Steve Thurmond is the most ardent advocate for Cash Stamps: a convenient paper wallet system that's used for gifting. Throughout the episode, more BCH community members will join to have the conversation that you will never hear on any other Bitcoin podcast. Time stamps: 00:01:09 Introducing Calin Culianu & Steve Thurmond 00:02:37 The Evolution of Bitcoin Cash 00:03:59 Who is Behind Bitcoin Cash Now? 00:06:34 Narratives and Misconceptions 00:07:53 Vlad's Perspective on the Fork 00:09:44 Bitcoin's Capture and Speculative Nature 00:11:48 Vlad's Journey with Lightning Network 00:16:07 Blockstream and the "Banker" Conspiracy 00:18:33 The Security Budget Debate 00:22:12 The Problem with IOU Systems like Lightning 00:24:02 Vlad's Disappointment with Onboarding 00:24:58 Ethereum's Rise Amidst Bitcoin's Infighting 00:27:52 The Bankers Won, But Crypto Still Exists 00:32:16 The Future of Bitcoin and Firing Core Devs 00:33:08 The Wall of Consensus in BTC 00:39:19 The Multi-Coin Future 00:42:48 Bitcoin Cash's Development Philosophy 00:49:08 Craig Wright's Controversial Involvement 00:55:16 The Impact of Contentious Forks 00:58:55 The Resilience of Bitcoin Cash 01:02:32 The Value of Open Source Competition 01:08:51 Greg Maxwell's Influence 01:12:00 The Ecash fork 01:25:02 Introducing New BCH Community Members 01:26:38 Building Smart Contracts on Bitcoin Cash 01:34:06 Why UTXO is Better than EVM 01:40:07 Can You Run a BCH Node? 01:41:07 The Flawed "Run a Node" Narrative 01:53:27 The Dangers of RBF and the Importance of 0-Conf 02:05:07 One-Minute Blocks Proposal 02:08:02 Finality and User Experience in Wallets 02:12:13 The "It's Just Money, Bro" Philosophy 02:41:39 What Can You Buy with BCH? 02:48:28 The Permissionless Nature of BCH 02:52:12 The Paradox of Layer Twos 02:57:18 The Stigma of Building on BCH 02:58:21 The Changing Culture of Bitcoin Cash 03:11:35 Ordinals and the "Spam" Debate 03:17:07 Would BCH Still Have a Nice Dev Culture If Michael Saylor Started Buying? 03:28:14 Quantum Computing and Satoshi's Coins 03:42:59 The Tail Emission Debate 03:50:11 The Culture is the Ultimate Defense 03:53:16 The Politicization of Bitcoin Development 03:59:26 Privacy and Fungibility 04:02:21 The Future of Privacy on BCH 04:36:12 Fulcrum: An Electrum Server Implementation 04:38:54 The Litecoin Question 04:49:13 The Difficulty of Recreating Bitcoin's Genesis 04:51:38 The Long-Term Bet on SHA-256 04:54:12 A Break and Introduction to Rosco 05:48:33 CashScript and Smart Contracts on BCH 05:55:22 BCH vs. Ethereum Smart Contracts 06:03:05 The UTXO Stack and Abstraction Layers 06:43:30 The Avalanche Pre-Consensus Question 06:45:51 The "Tax" Fork 07:04:06 The Failed Attack on Bitcoin Cash 07:08:58 The 2018 Inflation Bug Disclosure 07:22:46 The Michael Saylor Phenomenon 07:28:41 The Arrest of Roger Ver 07:39:28 Spending Crypto in the Real World 07:44:22 The End of Crypto-Friendly Spaces in Europe 07:52:05 Prediction Markets and Community Sponsorship 08:08:17 Robin Linus is Jealous of BCH Opcodes 08:09:50 Final Thoughts and Conclusion

Almost 9 years since the big split of the Bitcoin community, it's time to learn more about how the Bitcoin Cash chain developed. Calin Culianu, Steve Thurmond & an entire roster of BCH builders & advocates join the show to tell their stories.

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S17 E26: Steve Thurmond, Calin Culianu & The Phenomenal Big Blockers

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This episode is 8 hours and 14 minutes long.

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This episode was published on May 27, 2026.

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Almost 9 years since the big split of the Bitcoin community, it's time to learn more about how the Bitcoin Cash chain developed. Calin Culianu is the creator of Fulcrum, an efficient privacy-preserving SPV client. Steve Thurmond is the most ardent...

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