Episode 75: Multisig (And Musig)
Ep. 75

Episode 75: Multisig (And Musig)

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Episode description

In this episode of Bitcoin, Explained, Aaron and Sjors discuss multi-signature (multisig), and the various ways that Bitcoin enables multisig; from bare multisig, to P2SH, SegWit, Taproot, and finally Musig, as well as some potential future solutions.

Chapters

00:00:00 Introduction and listener support
00:02:41 What multisig is and why use it
00:06:43 Bare multisig and signature-checking limits
00:17:23 P2SH multisig: fees, privacy and script limits
00:22:23 SegWit multisig and the sigops discount
00:27:42 Taproot multisig with OP_CHECKSIGADD
00:33:21 Large multisigs and the stack size limit
00:38:08 Combining multisig scripts in Taproot trees
00:39:50 MuSig2, key aggregation and threshold signatures

Episode Sponsor: https://voltage.cloud/

Sjors New Book: https://www.amazon.com/Bitcoin-Technical-innovations-Sjors-Provoost/dp/9090360425

0:00Introduction and listener support
2:41What multisig is and why use it
6:43Bare multisig and signature-checking limits
17:23P2SH multisig: fees, privacy and script limits
22:23SegWit multisig and the sigops discount
27:42Taproot multisig with OP_CHECKSIGADD
33:21Large multisigs and the stack size limit
38:08Combining multisig scripts in Taproot trees
39:50MuSig2, key aggregation and threshold signatures