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§01 · EVENT BADGES

11 editions attended.

🍎 ’26
Seoul privacy edition
🏴‍☠️ ’26
Berlin payments edition
📜 ’26
Toronto consensus edition
🦒 ’26
Nairobi open source edtion
🏛️ ’26
Vienna economics edition
🦫 ’26
Vegas villain edition
🔑 ’26
Floripa exploits edition
🌉 ’25
Istanbul scaling edition
⛪ ’25
Riga privacy edition
👙 ’25
Austin mempool edition
🌴 ’25
Floripa hack+play edition

§02 · HACKATHON PROJECTS

Built at the hackathon.

§03 · TALKS & PANELS

On stage.

Full archive →
talk · Seoul 2026

How does Ark change Cashu's privacy model?

bark powered mints are different than lnbits with different privacy implications

45m agenda
panel · Berlin 2026

What Should the Next Bitcoin Payment Stack Look Like?

With the launch of Arks, Glass Coins, Shielded Bitcoin -- the bitcoin payments space is as crowded as ever. Where is the future of payments for Bitcoin headed?

1h agenda
20talk · Nairobi 2026

Anatomy of a Bark VTXO

We dissect the sqlite.db to see how Bark VTXOs really appear on disk.

30m agenda ▶ watch
panel · Vienna 2026

Is Bitcoin the Austrian School’s Future?

Francis Pouliot of Bull Bitcoin once said: “The Libertarian movement died with Bitcoin”. In this discussion we invite Rahim Taghizadegan and Adam Bartha to explore the current state of the Austro-libertarian movement and what is Bitcoin’s role in it today.

45m agenda ▶ watch
talk · Vienna 2026

Covenants make Bitcoin Better Money

How would the Austrians consider covenants, the proposal to make bitcoin more introspective? In this conversation, Matthew Vuk a Researcher at Second walks us through the philosophical argument for covenants

30m agenda ▶ watch
talk · Vegas 2026

ARK in its essence

Matthew Vuk, researcher at Second, takes us on a journey to understand the essence of the Ark protocol, through the lens of Jan Sholten’s homeopathy.

15m agenda ▶ watch
keynote · Floripa 2026

Oxford Debate: Rollups Are Essential

Matthew Vuk, Researcher at Second and Jose Starpoli, core developer at Alpen Labs, square off in an Oxford style debate. Who will persuade more people to their point? ”Rollups will be essential for bitcoin's longterm success”

1h agenda ▶ watch
panel · Istanbul 2025

Scaling User Experiences

One common complaint for Lightning, the OG layer-2 scaling solution for Bitcoin, is how complicated and difficult the onboarding experience is for new users. How do new protocols and ways of scaling improve the user experience, while maintaining guarantees for self-custody?

30m agenda ▶ watch
whois/matthewvuk2 records: public · permanent