Board the Ark using a payjoin tx with compact block filters
TEAM · 1
§01 · EVENT BADGES
10 editions attended.
🍎
’26
Seoul
privacy 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.
Tando's Ark
Honorable Mentions"Tando's Ark" upgrades Tando with Bark (Second's Ark implementation) eliminating its Lightning channel and inbound-liquidity overhead while unlocking 0-fee Ark payments into M-PESA.
TEAM · 2
Core LLM
2nd OverallLLM trained specifically on the Bitcoin Core codebase that gives specific answers to train and educate users on how bitcoin _really_ works.
TEAM · 2
This program runs collecting data about all filtered transactions from my local node. Then it collects the TXIDs, and later goes on to query the mempool.space API to see if another miner included them
TEAM · 1
NostrPIX
1st OverallPay anyone in Brazil 🇧🇷 with sats ⚡️ using Nostr Wallet Connect 🔗
bitcoinexpress.jsfedilightningnostrnwcpixreactsupabasetypescriptwebln
repo ↗
demo ↗
video ↗
docs ↗
view project →
TEAM · 3
§03 · TALKS & PANELS
On stage.
20talk
· Nairobi 2026
Anatomy of a Bark VTXO
We dissect the sqlite.db to see how Bark VTXOs really appear on disk.
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.
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
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.
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”
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?
whois/matthewvuk2
records: public · permanent