What Bitcoin Did Bitcoin Core v30 Explained: Spam, Filters & the Knots Debate | Antoine Poinsot
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Oct 7, 2025 
Antoine Poinsot, a Bitcoin Core contributor and researcher at Chaincode Labs, shares his insights on the evolving dynamics of Bitcoin development. He delves into the contentious Core vs. Knots debate, shedding light on concerns around spam and the implications of the OP_RETURN policy change. Antoine discusses the potential risks of unreviewed Knots code, the challenges of UTXO bloat, and the balance between filtering spam and maintaining network resilience. This conversation navigates the delicate intersection of technical decisions and the future of Bitcoin.
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Core Prioritizes Money Not JPEGs
- Bitcoin Core developers focus on Bitcoin as censorship-resistant money, not NFTs or JPEGs.
- Antoine says Core's priorities are robustness, censorship resistance, and usability for ordinary users.
Relay Policy Is Local, Not Global
- The inscription wave exposed that relay policy limits are local and cannot stop on-chain inclusion.
- Antoine argues policy changes only affect local mempools, not miners willing to include paid transactions.
Fix Relay Policy To Avoid Malincentives
- Remove harmful relay policy knobs that create malincentives and push users into worse designs.
- Design relay policy to allow safer on-network patterns instead of forcing private workarounds.