The Chaincode Podcast

Pieter Wuille and Tim Ruffing, Schnorr, MuSig, FROST and more - Episode 26

Dec 16, 2022

52:32

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Episode notes

The Music Family of Signing Protocols for Multi-Sigs

01:51

Is There a Threshold Signature Equivalent to Music?

01:30

Cross-Input Signature Aggregation

02:11

Introduction

3min

A Different Skill Set in Cryptography

3min

Is There a Relationship Between Cryptography and the Applied Cryptography Community?

2min

Are You Happy With What's Happened With Schnorr Signatures?

2min

Introducing Schnorr Signatures on Chains and ECDSA Signatures

2min

EZDSA Signatures

3min

Is There a Difference Between DSA and Schnorr Signatures?

5min

Is Batch Validation a Priority?

4min

Cryptocurrency Cryptography - Multi-Sick Versus N of N Signatures

2min

10.

The Music Family of Signing Protocols for Multi-Sigs

2min

11.

Cross-Input Signature Aggregation

2min

12.

Cross-Input Signature Aggregation - What Is It?

4min

13.

The Three Round Scheme of Music One

3min

14.

Music Two

2min

15.

How to Pre-Process the First Round of the Two Signing Steps

2min

16.

Is There Interactivity?

2min

17.

Is There a Threshold Signature Equivalent to Music?

1min

18.

Is There a Difference Between a T of N and a Special Signature?

3min

19.

The Difference Between Music to and Frozen?

2min

20.

Teproot and Music - What Makes a Difference?

3min

Pieter Wuille and Tim Ruffing treat us to a conversation about Schnorr, multi-signatures, MuSig, and more. We covered a lot so this is part one of a two part conversation.

We discussed:

- When to roll your own cryptography (01:31)

- Schnorr Signatures (09:01)

- Why is Schnorr preferable to ECDSA? (10:55)

- Schnorr efficiency improvements (15:52)

- Multisigs (23:16)

- MuSig (25:07)

- Yannick Seurin

- Rogue key attack or key cancellation attack (31:00)

- Bellare-Neven (32:12)

- Interactive versus non-interactive protocols (35:30)

- FROST (42:42)

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The Chaincode Podcast

Pieter Wuille and Tim Ruffing, Schnorr, MuSig, FROST and more - Episode 26

The Music Family of Signing Protocols for Multi-Sigs

Is There a Threshold Signature Equivalent to Music?

Cross-Input Signature Aggregation

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