Gustavo Flores Echaiz and Brandon Black are joined by Olaoluwa Osuntokun to discuss Newsletter #403 (https://bitcoinops.org/en/newsletters/2026/05/01/).

The Bitcoin Optech Podcast and transcription content is licensed Creative Commons CC BY-SA 2.0 (https://creativecommons.org/licenses/by-sa/2.0/legalcode)

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(https://d3ctxlq1ktw2nl.cloudfront.net/staging/2026-4-6/423576686-44100-2-707e33fa7625a.m4a)

News

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      ● (https://bitcoinops.org/en/podcast/2026/05/05/#binary-fuse-filters-as-an-alternative-to-bip158-s-gcs)
      Binary fuse filters as an alternative to BIP158's GCS
      (19:05 (javascript:void(0))19:05)

Changing consensus

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      ● (https://bitcoinops.org/en/podcast/2026/05/05/#post-quantum-hd-wallets-with-fallback-sphincs-keys)
      Post-quantum HD wallets with fallback SPHINCS keys
      (31:07 (javascript:void(0))31:07)



    

  

  
  
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      ● (https://bitcoinops.org/en/podcast/2026/05/05/#discussion-of-a-post-quantum-output-type)
      Discussion of a post-quantum output type
      (34:42 (javascript:void(0))34:42)



    

  

  
  
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      ● (https://bitcoinops.org/en/podcast/2026/05/05/#proposal-to-embed-post-quantum-keys-in-tapscript-without-consensus-changes)
      Proposal to embed post-quantum keys in tapscript without consensus changes
      (38:03 (javascript:void(0))38:03)



    

  

  
  
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      ● (https://bitcoinops.org/en/podcast/2026/05/05/#bip54-demonstration-of-slow-blocks-on-signet)
      BIP54 demonstration of slow blocks on signet
      (43:28 (javascript:void(0))43:28)



    

  

  
  
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      ● (https://bitcoinops.org/en/podcast/2026/05/05/#post-quantum-bip86-recovery-using-zk-stark-proofs-of-bip32-seeds)
      Post-quantum BIP86 recovery using zk-STARK proofs of BIP32 seeds
      (1:05 (javascript:void(0))1:05)

Releases and release candidates

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      ● (https://bitcoinops.org/en/podcast/2026/05/05/#core-lightning-26-04-1)
      Core Lightning 26.04.1
      (48:16 (javascript:void(0))48:16)



    

  

  
  
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      ● (https://bitcoinops.org/en/podcast/2026/05/05/#btcpay-server-2-3-8)
      BTCPay Server 2.3.8
      (50:15 (javascript:void(0))50:15)



    

  

  
  
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      ● (https://bitcoinops.org/en/podcast/2026/05/05/#btcpay-server-2-3-9)
      BTCPay Server 2.3.9
      (51:52 (javascript:void(0))51:52)

Notable code and documentation changes

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      ● (https://bitcoinops.org/en/podcast/2026/05/05/#bitcoin-core-33671)
      Bitcoin Core #33671
      (52:39 (javascript:void(0))52:39)



    

  

  
  
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      ● (https://bitcoinops.org/en/podcast/2026/05/05/#bitcoin-core-34885)
      Bitcoin Core #34885
      (58:01 (javascript:void(0))58:01)



    

  

  
  
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      ● (https://bitcoinops.org/en/podcast/2026/05/05/#bitcoin-core-33920)
      Bitcoin Core #33920
      (59:57 (javascript:void(0))59:57)



    

  

  
  
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      ● (https://bitcoinops.org/en/podcast/2026/05/05/#bitcoin-core-34911)
      Bitcoin Core #34911
      (1:02:00 (javascript:void(0))1:02:00)



    

  

  
  
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      ● (https://bitcoinops.org/en/podcast/2026/05/05/#bips-1548)
      BIPs #1548
      (1:04:47 (javascript:void(0))1:04:47)



    

  

  
  
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      ● (https://bitcoinops.org/en/podcast/2026/05/05/#hwi-831)
      HWI #831
      (1:08:17 (javascript:void(0))1:08:17)



    

  

  
  
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      ● (https://bitcoinops.org/en/podcast/2026/05/05/#bdk-2188)
      BDK #2188
      (1:09:11 (javascript:void(0))1:09:11)



    

  

  
  
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      ● (https://bitcoinops.org/en/podcast/2026/05/05/#bdk-2115)
      BDK #2115
      (1:10:14 (javascript:void(0))1:10:14)

Transcription

transcription coming soon