Bitcoin Takeover Podcast

Michael Bumann (aka Bumi) is a Lightning network developer best known for working on Joule and creating Alby. Today, Alby is one of the most popular wallets for sending and receiving Nostr zaps. In this episode, he explains more about his work & vision.

In this episode, Paul Sztorc reacts to 3 of the most significant reactions to Drivechains: Shinobi's article from Bitcoin Magazine, the Baltic Honeybadger 2023 panel which mostly covered Drivechains, and his Tabconf 2023 debate with Peter Todd.

For the past 4 years, Sam Lee has been the main organizer of the Bitcoin meetup in Hong Kong. In this episode, Sam tells us what it's like to be a bitcoiner in Hong Kong and how the experience differs from the one in Mainland China.

At Baltic Honeybadger 2023, BTCPay server announced a new mobile app which will run LDK/Spiral software in the background to make the merchant experience as simple as can get. In this drunkast with Pavlenex, Kukks & Anna, they explain how it all works.

In the middle of a more aggressive campaign to promote a soft fork that enables two-way pegged sidechains via BIP 300/301, Layer Two Labs CEO Paul Sztorc has been accused of attacking Bitcoin and being the new Mike Hearn. But are Drivechains that bad?

Jameson Lopp, popular cypherpunk and and advocate for anarcho-capitalism, makes his Bitcoin Takeover podcast debut to talk about his work at Casa, self-custody, his views on Bitcoin maximalism, and why it's important to test your backup devices.

Fadi Barbàra is a researcher from the University of Turin who works on Bitcoin privacy. His new project, DMix, promises to offer better privacy than CoinJoins by integrating a pre-mix transaction that makes use of Taproot multisigs. Fadi's background and introduction (00:02:11) Discussion about Fadi Barbara's work on DMix and Bitcoin privacy, his research in Turin at a state-funded university, and his journey into Bitcoin. Explanation of DMix and how it works (00:10:13) Overview of DMix as a two-transaction protocol, the use of CoinJoin in the second transaction, and the three-phase process of the mix. The transaction threshold signature (00:14:40) Explanation of how transaction threshold signatures work and the difference between a multisig and an aggregated signature. The goal of DMix (00:18:53) Comparison between DMix and other coinjoin protocols, with a focus on the goal of removing the need for a coordinator or centralization. Scalability and the limit of mixes (00:26:49) Discussion on the technical limit of mixes based on transaction size, the trade-off between decentralization and popularity, and the potential for larger transaction sizes. Dmix as a privacy facilitator (00:29:44) Discussion on how the mix in DMix improves privacy by creating unlinkability and the trade-off between privacy and protocol rules. Incentivizing participation in the mixing system (00:33:39) Exploration of the research phase regarding financial incentives for users to keep their coins in the mixing system and the importance of liquidity. Toxic change and its elimination in DMix (00:38:23) Explanation of how DMix handles toxic change by creating a greatest common divisor of the coins being exchanged, ensuring no toxic output in the final mix transaction. Address Reuse and Blockchain Privacy (00:43:18) Fadi Barbara discusses the importance of address reuse in blockchain privacy and the ongoing study of address reuse on the blockchain. Trust in DMix and Anonymity Set (00:45:42) Fadi addresses the issue of trust in DMix and the potential risk of participants belonging to chain analysis. He also discusses the use of multi-party computation to enhance privacy. DMix in Closed and Open Settings (00:50:57) The speaker discusses the suitability of DMix in closed settings, such as exchanges, and the ongoing efforts to make it suitable for open settings where anyone can participate. The proposed soft forks and Drivechains (00:57:04) Discussion about the potential solutions to Bitcoin's privacy problems through proposed soft forks and Drivechains. Controversy between Wasabi and Samourai wallet (00:58:20) Exploration of the differences and opinions on Wasabi and Samourai, their strengths, weaknesses, and potential for improvement. Statechains and coin swap idea (01:03:26) Evaluation of the concept of statechains and coin swap as a method of transferring ownership of coins without on-chain transactions, including the benefits and challenges associated with the approach. Using DMX in conjunction with existing solutions like CoinJoin or CoinSwap (01:11:35) Vlad asks Fadi if DMix can be used alongside other privacy solutions or if it is meant to replace them. Confidential transactions and the need for soft or hard forks (01:12:26) Fadi Barbara discusses how confidential transactions, which require changes at the protocol level, are necessary for achieving better privacy. He also mentions that the Elements project is currently testing these features. How listeners can help and contribute to the development of DMix (01:20:08) Vlad asks Fadi Barbara how listeners can support the development of DMix, including spreading the word, donating, and providing criticism and feedback.

Martin Habovštiak is a cypherpunk from Slovakia, best known for contributing with code to many open source Bitcoin projects (Electrum Rust, BTCPay, Bitcoin Core, LND, Phoenix Wallet). He also co-founded Paralelna Polis in Bratislava & coded Firefish.

Mike in Space is the creator of STAMPs: a protocol which inserts permanent data into Bitcoin blocks. STAMPs are mostly used to immortalize art on Bitcoin, but this use case is so heavily criticized by some community members that they call it an attack.

Ben Arc is one of the most prolific builders in Bitcoin. He created LNBits – a simple Lightning wallet project which seeks to be the Wordpress of Bitcoin thanks to its modularity and openness to plugins. Ben is also one of the founding fathers of Nostr. The birth of Nostr [00:01:31] Ben Arc discusses the origins of Nostr and how Fiatjaf came up with the name. He also mentions why the project has potential. Exploring music sharing on Nostr [00:03:12] Ben Arc expresses interest in building a music sharing platform on Nostr and discusses the modularity of NIPs. Expanding the use of Nostr [00:07:19] Ben Arc talks about the potential applications of Nostr beyond Twitter, including decentralized social networks and platforms like LocalBitcoins. The power of realness [00:10:14] Discussion on how people who speak authentically and outrageously, like Donald Trump, gain extra power on social media platforms. The future of bitcoin privacy [00:11:02] Promotion of Wasabi Wallet as the most advanced and widely used bitcoin privacy wallet. The development of Nostr [00:11:58] Exploration of the origins of Nostr as an extension for LN Bits and its potential for trustless commerce. [00:19:49] Ben Arc explains how the switch project can be used in different machines and devices, such as slap machines, vending machines, lights, coffee machines, and beer taps. [00:21:18] "Exploring incentivization in video streaming". Vlad mentions recent TikTok videos where users get paid in tokens for reacting to emojis, and Ben Arc talks about their own experience with incentivizing donations through physical devices on the Bitcoin Group show. [00:21:46] "Potential applications of technology in the sex industry" Ben expresses interest in developing camming solutions with Bitcoin for the sex industry, highlighting the field's potential for using Bitcoin and the need for more outreach and development in that area. The wallet account system [00:29:32] Discussion about the need for a wallet account system with its own API keys and the convenience of having all functionalities in one place. The process of building and discovering new ideas [00:30:33] Exploration of the importance of hands-on building and experimentation in generating new ideas and solving problems. Monetizing through premium extensions [00:33:32] Explanation of the potential monetization strategy for LNBits through premium extensions and the example of WordPress.com's approach. The cover and distribution of the BTCTKVR magazine [00:39:07] Vlad discusses the various covers and the distribution process of the BTCTKVR magazine, ensuring it feels special for events. Subscription service for Bitcoin Takeover [00:40:46] Ben Arc suggests the idea of a subscription service for Bitcoin Takeover, where subscribers receive the newest copy of the magazine periodically. Grassroots adoption and institutional involvement [00:42:41] Vlad talks about the potential impact of grassroots adoption on the market and the role of institutions in buying and selling Bitcoin. The development of central bank digital currencies (CBDCs) [00:48:42] Discussion on how countries are developing their own CBDCs and the potential competition between them. The value of open-mindedness and ideological debates [00:49:46] The importance of keeping an open mind, engaging in self-contradiction, and the value of Bitcoin's ideology. The control and privacy aspects of CBDCs [00:50:09] Exploration of the concerns regarding the control and privacy features of CBDCs compared to the current banking system.