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Bitcoin Optech: Newsletter #390 Recap
By Bitcoin Optech
Aired Feb 4, 2026 · 1h 3m · Last boosted Feb 21, 2026
Chapters
Show Notes
Mark “Murch” Erhardt and Gustavo Flores Echaiz are joined by Liam Eagen to discuss Newsletter #390. News ● Argo: a garbled-circuits scheme with more efficient off-chain computation (0:48) ● LN-Symmetry update (26:05) Selected Q&A from Bitcoin Stack Exchange ● What is stored in dbcache and with what priority? (34:21) ● Can one do a coinjoin in Shielded CSV? (24:02) ● In Bitcoin Core, how to use Tor for broadcasting new transactions only? (36:47) ● Brassard-Høyer-Tapp (BHT) algorithm and Bitcoin (BIP360) (38:31) ● Why does BitHash alternate sha256 and ripmed160? (39:2...
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