SLP337 Salvatore Ingala - Ledger’s New Bitcoin App: PSBT, Taproot, Descriptors, Multi-Sig
Salvatore Ingala of Ledger joins me to talk about a big revamp of the Ledger Bitcoin app which brings support for a whole host of new features. We chat about:
How the app shifted from v1 to v2
PSBT
Taproot support
Descriptors
Merkle Trees
Improved multi-signature and scripting sup…
SLP400 Jonas Nick & Tim Ruffing - Half Signature Aggregation: What is it and how does it help scale Bitcoin?
Jonas Nick & Tim Ruffing, bitcoin researchers and contributors at Blockstream rejoin me on the show, this time to chat about half signature aggregation. This is a scaling technique that can help scale Bitcoin and enable more transactions inside a block or help with L2 protocols. We discuss:
How…
SLP433 v2 P2P Transport Protocol for Bitcoin Core (BIP324) with Pieter Wuille Dhruv and Tim Ruffing
Dhruv, Pieter Wuille and Tim Ruffing join me on the show to talk about their project to bring encryption to Bitcoin Core. We discuss:
What the current state of things is
Packet inspection and making bitcoin slightly more private
The new proposal for encryption
Impact on nodes
Feedbac…
Pieter Wuille and Tim Ruffing, Schnorr, MuSig, FROST and more - Episode 26
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 …
Pieter Wuille and Tim Ruffing - Nesting, ROAST, Half-Aggregation, Adaptor Signatures (part 2)
We continue the conversation with Pieter Wuille and Tim Ruffing and Nesting, ROAST, Half-Aggregation, Adaptor Signatures, atomic swaps and more.
If you have not tuned into the first part of this conversation, we recommend listening to that one first.
We cover:
- Nesting (00:49)
- ROAST (12:09…
Episode 77: Peer-to-peer Encryption
In this episode of Bitcoin, Explained, Aaron and Sjors discuss BIP 324, the proposal by Dhruv, Pieter Wuille and Tim Ruffing to add peer-to-peer (P2P) encryption to the Bitcoin protocol. They explain why this is needed, how it would work, and which problems it would, and wouldn’t solve.
Episode …
Bitcoin Cryptography and Scripting with Andrew Poelstra SLP507
Andrew Poelstra (Director of Research, Blockstream) has been around Bitcoin research and development for a long time, and has a lot of insight to share on Bitcoin research in this episode. For part 2 of my discussion with Andrew we focus more on bitcoin and cryptography research that the team are w…
BR050 - Libsec Panel ft. Jonas Nick, Tim Ruffing, Lloyd Fournier, Jesse Posner & Rijndael
I'm joined by Jonas Nick, Tim Ruffing, Lloyd Fournier, Jesse Posner & Rijndael to discuss libsecp.
Discussion Topics
00:01:13 Guest intros
00:04:18 Importance of libsecp
00:11:21 Why libsecp was invented
00:15:44 The process of adding Schnoor
00:17:14 Tools and testing
00:25:43…
Bitcoin Optech: Newsletter #365 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by David Gumberg, Lauren Shareshian, Jameson Lopp, Steven Roose, and Tim Ruffing to discuss Newsletter #365.
News
● Testing compact block prefilling (1:13:00)
● Mempool-based fee estimation library (1:33:53)
Changing consensus
● Migration from qu…
Perfect Number Day and the Road to Schnorr
We celebrated June 28 as “Perfect Number Day” and finally told one of my favorite origin stories behind this whole project: a late-night drive home from a Phish show with Kayla, where a quick conversation about why 6 and 28 are perfect numbers turned into a full-blown family math obsession. We revi…
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