Bitcoin Optech Podcast

Bitcoin Optech: Newsletter #295 Recap

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Mark “Murch” Erhardt and Mike Schmidt are joined by Dave Harding, Peter Todd, Abubakar Sadiq Ismail, David Gumberg, and Jeffrey Czyz to discuss Newsletter #295.


News

  • Disclosure of free relay attack (1:22)
  • Transaction fee sponsorship improvements (9:55)
  • Mempool-based feerate estimation (34:49)

    • Selected Q&A from Bitcoin Stack Exchange

    • What are the risks of running a pre-SegWit node (0.12.1)? (50:30)
    • When is OP_RETURN cheaper than OP_FALSE OP_IF? (55:51)
    • Why does BIP-340 use secp256k1? (56:33)
    • What criteria does Bitcoin Core use to create block templates? (58:08)
    • How does the initialblockdownload field in the getblockchaininfo RPC work? (1:04:45)

      • Releases and release candidates

      • Bitcoin Core 26.1rc2 (1:07:34)
      • Bitcoin Core 27.0rc1 (1:07:55)

        • Notable code and documentation changes

        • Bitcoin Core #28950 (1:17:13)
        • LND #8418 (1:19:07)
        • LDK #2756 (1:23:44)
        • LDK #2935 (1:25:55)
        • LDK #2419 (1:27:39)
        • Rust Bitcoin #2549 (1:32:54)
        • BTCPay Server #5852 (1:33:36)
          • ...more
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