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- 5 days ago1h 8m
Bitcoin Optech: Newsletter #404 Recap
Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Daniela Brozzoni, Naiyoma, and Thomas Voegtlin to discuss Newsletter #404.News● Possible solutions to node fingerprinting ● Public fraud proof for just-in-time channels Notable code and documentation changes● Bitcoin Core #33796 ● Bitcoin Core #21283 ● BIPs #2150 ● Eclair #3144 ● Eclair #2887 ● LDK #4592 ● LND #9153 ● Rust Bitcoin #5835 ● BOLTs #995 ● BOLTs #1228 ● BOLTs #1327
- 1 weeks ago1h 12m
Bitcoin Optech: Newsletter #403 Recap
Gustavo Flores Echaiz and Brandon Black are joined by Olaoluwa Osuntokun to discuss Newsletter #403.News● Binary fuse filters as an alternative to BIP158's GCS Changing consensus● Post-quantum HD wallets with fallback SPHINCS keys ● Discussion of a post-quantum output type ● Proposal to embed post-quantum keys in tapscript without consensus changes ● BIP54 demonstration of slow blocks on signet ● Post-quantum BIP86 recovery using zk-STARK proofs of BIP32 seeds Releases and release candidates● Core Lightning 26.04.1 ● BTCPay Server 2.3.8 ● BTCPay Server 2.3.9 Notable code and documentation changes● Bitcoin Core #33671 ● Bitcoin Core #34885 ● Bitcoin Core #33920 ● Bitcoin Core #34911 ● BIPs #1548 ● HWI #831 ● BDK #2188 ● BDK #2115
- 2 weeks ago1h 19m
Bitcoin Optech: Newsletter #402 Recap
Mark “Murch” Erhardt and Gustavo Flores Echaiz are joined by Toby Sharp to discuss Newsletter #402.News● Hornet Node's declarative executable specification of Bitcoin consensus rules ● Onion message jamming in the Lightning Network Selected Q&A from Bitcoin Stack Exchange● Why did BIP342 replace CHECKMULTISIG with a new opcode, instead of just removing FindAndDelete from it? ● Does SIGHASH_ANYPREVOUT commit to the tapleaf hash or the full taproot merkle path? ● What does the BIP86 tweak guarantee in a MuSig2 Lightning channel, beyond address format? Releases and release candidates● Bitcoin Core 31.0 ● Core Lightning 26.04 ● LND 0.21.0-beta.rc1 Notable code and documentation changes● Bitcoin Core #33477 ● Bitcoin Core #35006 ● BIPs #1895 ● BIPs #2142 ● LDK #4555 ● LND #10713 ● LND #10754
- 3 weeks ago1h 12m
Bitcoin Optech: Newsletter #401 Recap
Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Remix7531 and Luis Schwab to discuss Newsletter #401.News● Discussion of using nested MuSig2 in the Lightning Network ● Formal verification of secp256k1 modular scalar multiplication Changes to services and client software● Coldcard 6.5.0 adds MuSig2 and miniscript ● Frigate 1.4.0 released ● Bitcoin Backbone updates ● Utreexod 0.5 released ● Floresta 0.9.0 released Releases and release candidates● Bitcoin Core 31.0rc4 ● Core Lightning 26.04rc3 Notable code and documentation changes● Bitcoin Core #34401 ● Bitcoin Core #35032 ● Core Lightning #9021 ● Core Lightning #9046 ● LDK #4515 ● LDK #4558 ● LND #9985 ● BTCPay Server #7250 ● BIPs #2089
- Apr 14, 202655 min
Bitcoin Optech: Newsletter #400 Recap
Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Julian Moik to discuss Newsletter #400.Bitcoin Core PR Review Club● Testing Bitcoin Core 31.0 Release Candidates Notable code and documentation changes● Bitcoin Core #33908 ● Eclair #3283 ● LDK #4529 ● LDK #4494 ● LND #10666 ● BIPs #2099 ● BIPs #2118 ● BIPs #2134
- Apr 7, 20261h 42m
Bitcoin Optech: Newsletter #399 Recap
Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Armin Sabouri, Pyth, Conduition, and Jonas Nick to discuss Newsletter #399.News● Wallet fingerprinting risks for payjoin privacy ● Draft BIP for a wallet backup metadata format Changing consensus● Compact Isogeny PQC can replace HD wallets, key-tweaking, silent payments ● Varops budget and tapscript leaf 0xc2 (aka Script Restoration) are BIPs 440 and 441 ● SHRIMPS: 2.5 KB post-quantum signatures across multiple stateful devices Releases and release candidates● Bitcoin Core 31.0rc2 ● Core Lightning 26.04rc2 ● BTCPay Server 2.3.7 Notable code and documentation changes● Bitcoin Core #32297 ● Bitcoin Core #34379 ● Eclair #3269 ● LDK #4486 ● LDK #4428 ● LND #9982 ● LND #10063
- Mar 31, 202651 min
Bitcoin Optech: Newsletter #398 Recap
Mike Schmidt and Gustavo Flores Echaiz are joined by Dusty Daemon to discuss Newsletter #398.Selected Q&A from Bitcoin Stack Exchange● What is meant by Bitcoin doesn't use encryption? ● When and why did Bitcoin Script shift to a commit–reveal structure? ● Does P2TR-MS (Taproot M-of-N multisig) leak public keys? ● Does OP_CHECKSIGFROMSTACK intentionally allow cross-UTXO signature reuse? Releases and release candidates● Bitcoin Core 28.4 ● Core Lightning 26.04rc1 Notable code and documentation changes● Bitcoin Core #33259 ● Bitcoin Core #33414 ● Bitcoin Core #34846 ● Core Lightning #8450 ● Core Lightning #8856 ● Eclair #3247 ● LDK #4472 ● LND #10602 ● LND #10481 ● BOLTs #1160
- Mar 24, 20261h 29m
Bitcoin Optech: Newsletter #397 Recap
Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Matt Corallo, Gregory Sanders, and Sebastian van Staa to discuss Newsletter #397.Changes to services and client software● Cake Wallet adds Lightning support ● Sparrow 2.4.0 and 2.4.2 released ● Blockstream Jade adds Lightning via Liquid ● Lightning Labs releases agent tools ● Tether launches MiningOS ● FIBRE network relaunched ● TUI for Bitcoin Core released Releases and release candidates● Bitcoin Core 31.0rc1 ● BTCPay Server 2.3.6 Notable code and documentation changes● Bitcoin Core #31560 ● Bitcoin Core #31774 ● Core Lightning #8817 ● Eclair #3265 ● LDK #4427 ● LDK #4484 ● BIPs #1974
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About Bitcoin Optech Podcast
Join Bitcoin Optech as we discuss Bitcoin and Lightning technology each week and review our newsletters.https://bitcoinops.org/
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