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Bitcoin Optech Podcast

Bitcoin Optech
Bitcoin
Lightning Network
Bitcoin Core
Taproot
Vulnerability Disclosures
LND
Core Lightning
Testnet 4
Cryptography
Covenants
Quantum Computing
Cluster Mempool
Bitvm
BTCD
Bitcoin and Lightning Technology
Mining Pools
Stratum V2
Eclair
Liquidity Management
Silent Payments

Join Bitcoin Optech as we discuss Bitcoin and Lightning technology each week and review our newsletters. bitcoinops.org/

PublishesWeeklyEpisodes203Founded3 years ago
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NewsTech News

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Artwork for Bitcoin Optech Podcast

Latest Episodes

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Vasil Dimov to discuss Newsletter #409.

News

● Draft BIP for testnet5 (0:31)

Releases and release candidates

● LND 0.21.0-beta (17:25)

● Core Lightning 26.06.1 (20:19)... more

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Pyth and Ademan to discuss Newsletter #408.

News

● A post-quantum path for BIP324 (37:15)

● Discussion of QR signing payloads for miniscript wallets (1:27)

Changing con... more

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Chandra Pratap to discuss Newsletter #407.

News

● Core Lightning assertion DoS disclosure (0:47)

● Bitcoin Core developer meeting transcripts (14:34)

Releases and relea... more

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Oliver Gugger and 0xB10C to discuss Newsletter #406.

News

● Significant updates to BIP322 Generic Signed Message Format (1:17)

● TCP hole punching for Bitcoin nodes behin... more

Key Facts

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Recent Guests

Oli Guggero
Former Lightning Labs developer, now working on a new project
Episode: Bitcoin Optech: Newsletter #406 Recap
Thomas Vee
Founder of Electrum Wallet
Electrum Wallet
Episode: Bitcoin Optech: Newsletter #404 Recap
Toby Sharp
Software developer working on Hornet Node
Hornet Node
Episode: Bitcoin Optech: Newsletter #402 Recap
Dusty Daemon
Guest expert on splicing and Core Lightning work
Open source Lightning software contributor
Episode: Bitcoin Optech: Newsletter #398 Recap
Blue Matt
Writer of the original Fiber network; guest expert on Fiber relaunch
Fiber network project (LocalHost)
Episode: Bitcoin Optech: Newsletter #397 Recap
Mike Casey
Co-author of Hourglass, Enduro team at Mera
Mera
Episode: Bitcoin Optech: Newsletter #395 Recap
René Pickhardt
Researcher focused on payment channel networks and liquidity
Episode: Bitcoin Optech: Newsletter #389 Recap
Craig Raw
Developer of Sparrow Wallet
Sparrow Wallet
Episode: Bitcoin Optech: Newsletter #387 Recap
Nick Moonsettler
Developer advancing the Lnhance proposal on Bitcoin
Episode: Bitcoin Optech: Newsletter #383 Recap

Hosts

Mike
Host and lead presenter with multiple stints across the podcast and newsletter recap segments.
Murch
Co-host and discussion facilitator with contribution across recap and technical discussion segments.
Gustavo
Co-host and producer/recap color commentary for episodes.

Reviews

5.0 out of 5 stars from 31 ratings
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Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Apple Podcasts
#237
United Kingdom/News/Tech News
Apple Podcasts
#87
Italy/News/Tech News
Apple Podcasts
#223
Australia/News/Tech News
Apple Podcasts
#26
Spain/News/Tech News
Apple Podcasts
#50
New Zealand/News/Tech News
Apple Podcasts
#53
Taiwan/News/Tech News

Talking Points

Recent interactions between the hosts and their guests.

Bitcoin Optech: Newsletter #406 Recap
Q: Can you explain the concept of TCP hole punching and why it matters for home users behind NATs?
Hole punching would enable two devices behind NATs or home routers to coordinate via an intermediary to open inbound connections at synchronized times, effectively increasing inbound capacity without overloading listening nodes; while commonly used in UDP-based scenarios like voice/video apps, applying it to TCP in Bitcoin could improve network resilience and connectivity across the Bitcoin network.
Bitcoin Optech: Newsletter #406 Recap
Q: What are the major changes in the new BIP322 proposal that implementers should be aware of?
Key changes include a three-variant signing format with a new human-readable prefix to identify the version, a backward-compatibility path for the simple variant, and a significant enhancement to the proof-of-funds variant by turning it into a PSPT so verification can occur offline; there are also clarifications on accepted use cases and what the format can prove.
Bitcoin Optech: Newsletter #404 Recap
Q: What are JIT channels and why is their trust model problematic?
JIT channels allow a recipient to open a channel with minimal upfront funds, but they create a centralization risk and a trust dependency on the service provider, since either the client or the provider could cheat without immediate recourse.
Bitcoin Optech: Newsletter #402 Recap
Q: What does the BIP-86 tweak guarantee in a MuSig2 Lightning channel beyond address format?
MuMuSig2 guarantees that every signer in the aggregated signature must apply the tweak to move from internal to external public keys, ensuring there cannot be a hidden path in the signature aggregation, which addresses concerns about misalignment between signers and keys.
Bitcoin Optech: Newsletter #402 Recap
Q: Why did Bip342 replace CheckedMultiSig with a new opcode instead of removing the find and delete from it?
The discussion explains that the new Optech Sig Add design enables batch validation by ensuring there is a valid signature or a dummy element, which allows efficient pairing of signatures with their corresponding public keys, something not possible with the older Optech Multisig approach.

Audience Metrics

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Frequently Asked Questions About Bitcoin Optech Podcast

What is Bitcoin Optech Podcast about and what kind of topics does it cover?

The show delivers technically deep discussions around Bitcoin and Lightning technologies, with a strong emphasis on protocol updates, privacy, security, and cryptography. Episodes routinely feature Bitcoin Core contributors, wallet developers, and researchers who unpack implementation details, test vectors, and trade-offs behind new BIPs, scripting improvements, and network optimizations. A distinctive pattern is the blend of rigorous, code-focused analysis with practical guidance for developers and node operators, along with periodic coverage of tooling, testing, and cross-project collaboration. Listeners can expect thoughtful debates on post-quantum readiness, multi-signature and key management, network privacy, and protocol interoperabil... more

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Which podcasts are similar to Bitcoin Optech Podcast?

These podcasts share a similar audience with Bitcoin Optech Podcast:

1. Rabbit Hole Recap
2. Citadel Dispatch
3. TFTC: A Bitcoin Podcast
4. Stephan Livera Podcast
5. BTC Sessions

How many episodes of Bitcoin Optech Podcast are there?

Bitcoin Optech Podcast launched 3 years ago and published 203 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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Our systems regularly scour the web to find email addresses and social media links for this podcast. We scanned the web and collated all of the contact information that we could find in our podcast database. But in the unlikely event that you can't find what you're looking for, our concierge service lets you request our research team to source better contacts for you.

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What guests have appeared on Bitcoin Optech Podcast?

Recent guests on Bitcoin Optech Podcast include:

1. Oli Guggero
2. Thomas Vee
3. Toby Sharp
4. Dusty Daemon
5. Blue Matt
6. Mike Casey
7. René Pickhardt
8. Craig Raw

To view more recent guests and their details, simply upgrade your Rephonic account. You'll also get access to a typical guest profile to help you decide if the show is worth pitching.

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