James O'Beirne discusses Bitcoin development challenges, the CTV soft fork controversy, and why protocol upgrades have stalled. He explains the community response to his developer letter and Bitcoin's ossification risks.

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Bitcoin developer James O’Beirne joins us to talk about the current state of Bitcoin development, the controversial CTV (OP_CheckTemplateVerify) soft fork proposal, and why he organized a letter signed by 66+ prominent Bitcoin developers requesting Bitcoin Core focus on protocol upgrades. We dive deep into Bitcoin's development culture, the post-SegWit era challenges, and the growing concern about Bitcoin's ossification.

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**Notes:**

• 66 developers signed CTV support letter

• 96% of Bitcoin value uses non-taproot outputs

• 19% of global hashrate supports CTV proposal

• 5+ years of CTV development and testing

• 5 Bitcoin bounty offered for CTV bugs found

• 16.5 years since Bitcoin's initial release

Timestamps:

00:00 Start

01:55 Jame's work

08:33 History of BTC development

12:37 Culture & the block size war

16:34 Code change process

24:29 The CTV letter origin

33:53 Reception of the letter

38:33 Why is there resistance?

40:53 Alternative proposal

48:20 Upgrade Hooks

50:36 Future outlooks for changes

54:49 Reasons for optimism

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