Spilling ecash
2nd Overallallow utxo ownership transfer with cashu. custodial, client enters into 2 of 2 multisig one way lightning channel with service.client gets everything back unless service claims before timelock.
§01 · EVENT BADGES
7 editions attended.
§02 · HACKATHON PROJECTS
Built at the hackathon.
§03 · TALKS & PANELS
On stage.
talk
· Berlin 2026
Bark: Self-custodial bitcoin payments without head-aches
Steven Roose, CEO of Second and the earliest engineer to work on the Ark protocol, joins us to talk about Bark and how it's revolutionizing payments on Bitcoin.
30m
agenda
talk
· Toronto 2026
Covenants with OP_TEMPLATEHASH and OP_CHECKSIGFROMSTACK
What are some functionalities that we want to enable with covenant opcodes in bitcoin and how are these functionalities implemented using OP_TEMPLATEHASH and OP_CHECKSIGFROMSTACK.
panel
· Istanbul 2025
The Challenges of Scaling Bitcoin
Walton is joined by leading technical minds to discuss the challenges of scaling bitcoin, new protocols like Ark, and the hurdles developers face to enable practical self-custody for the masses.
talk
· Istanbul 2025
The Future of Bitcoin Payments with Ark
Scaling with Arks. Challenges and complexities around building off-chain scaling.
45m
agenda
talk
· Berlin 2024
Ark & e-cash, enemies or frens?
The bitcoin payment protocol space is heating up. How do Ark and e-cash compare as alternatives for moving bitcoin around?
talk
· Austin 2024
TXHASH, TL;DR for those not reading BIPs
A quick overview of the TXHASH covenant proposal"
whois/stevenroose
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