Lightning Welder
1st OverallHelps legacy wallets pay bolt12 offers
TEAM · 2
MEMBER SINCE 2023
§01 · EVENT BADGES
13 editions attended.
📜
’26
Toronto
consensus edition
🦒
’26
Nairobi
open source edtion
🦫
’26
Vegas
villain edition
🔑
’26
Floripa
exploits edition
🧨
’25
Taipei
sovereignty edition
⚡
’25
Berlin
lightning edition
🌉
’25
Istanbul
scaling edition
⛪
’25
Riga
privacy edition
👙
’25
Austin
mempool edition
🌴
’25
Floripa
hack+play edition
🥷
’24
Berlin
e-cash edition
🤝
’24
Buenos Aires
payments edition
🍰
’23
Austin
layer-2 edition
§02 · HACKATHON PROJECTS
Built at the hackathon.
Super Testnet
§03 · TALKS & PANELS
On stage.
building consensus: Awards
45m
agenda
building consensus: Finals
1h
agenda
building consensus: Judges meeting
30m
agenda
building consensus: Project expo
building consensus: Hacking time
1h 30m
agenda
building consensus: Kickoff
Hackathon Awards
Hackathon Finals
Hackathon Expo
Hacking Time
2h
agenda
Hackathon Kickoff
Hackathon Awards + Closing
Discussion on the landscape of exploiting bitcoin
Hackathon Finals
Round robin hackathon judging session. Finalists will be announced after the debate.
Hackathon Finalists Announced
Round robin hackathon judging session. Finalists will be announced after the debate.
15m
agenda
Hackathon Expo
Round robin hackathon judging session. Finalists will be announced after the debate.
1h 15m
agenda
Hacking Time
Time to Hack
1h 30m
agenda
Hacking Time
Time to Hack
1h
agenda
Hackathon Kickoff
The hackathon kicks off
30m
agenda
Hackathon Awards + Conference Closing
Hackathon winners announced and end of conference closing
Hackathon Finals
Who will take home the top sats? Join us for the hackathon finals presentation where the teams advancing out of the expo compete to win bitcoin++’s first sovereignty hackathon
Hackathon Judging Expo
First round of hackathon judging. Judges will walk around between all projects in a science fair style exposition. Top projects will advance to participate in the finals presentation on the last day.
1h 15m
agenda
Hacking Time
Everyone hacks!
2h
agenda
Hacking Time
Everyone hacks!
30m
agenda
Hackathon Kickoff
Everyone hacks! Let’s build some tools for sovereignty
Building Sovereign Banks with Fedi
Banks used to be great... then everything changed when the surveillance state attacked. Pt. 1 Learn about building self-sovereign community banks with federated Chaumian ecash. Pt. 2 Hands on workshop to build a fedimint wallet with the Fedimint SDK.
Hackathon Awards + Closing
Hackathon Finals
Scaling Lightning
Scaling Lightning: Running a lightning node is essentially plug and play. Self-sovereign bitcoin and lightning payments have never been easier. So why are blocks so empty? Is this evidence of the lightning network working as intended? Or is the network growth limited by technical, UX, and social challenges?
Hackathon Expo
1h 15m
agenda
Hacking Time
2h
agenda
Hackathon Ideas Workshop
15m
agenda
Hackathon Team Building
15m
agenda
Kickoff (Conference + Hackathon)
30m
agenda
Hackathon Finals
Who’s the fastest scaling hacker in Istanbul? We’ll take the top 5 teams from the Expo and give them the opportunity to impress the judges live.
Hackathon Expo
Showcase your work in this round-robin style of judging
2h 30m
agenda
Hacking Time
You don’t have much time, what are you building?
3h
agenda
Hackathon Ideas Workshop
Optional!! Need a good idea to hack on? Come ideate with the btc++ staff and hackathon veterans.
15m
agenda
Hackathon Team Building
Optional!! Come find a team to work with. We’ll help everyone find someone else to work with, and then you can start making plans for what you’ll build over lunch.
15m
agenda
Hackathon Kickoff
Who’s the fastest scaling hacker in Istanbul? We’ll take the top 5 teams from the Expo and give them the opportunity to impress the judges live.
15m
agenda
Hackathon Finals
Top finalists who make it out of the Expo will be invited to present their projects to compete for the top prize.
Hackathon Expo
Showcase of all the hackathon projects. Round robin judging will happen during this period.
1h
agenda
Hacking Time
You don’t have much time to work at this bitcoin++, make the most of it
2h
agenda
Hackathon Ideas Workshop
Optional!! Need a good idea to hack on? Come ideate with the btc++ staff and hackathon veterans.
15m
agenda
Hackathon Team Building
Optional!! Come find a team to work with. We’ll help everyone find someone else to work with, and then you can start making plans for what you’ll build over lunch.
15m
agenda
Hackathon Kickoff
Who’s the fastest privacy hacker in Riga? We’ll take the top 5 teams from the Expo and give them the opportunity to impress the judges live.
15m
agenda
Hackathon Kickoff
15m
agenda
Hackathon Kickoff
Rules and regulations for the hackathon
30m
agenda
How to Win a Hackathon
Pt. 1 - Talk: Project showcase & guide on how to turn an idea into a winning hackathon project Pt. 2 - Workshop: Bootstrapping a project with AI tools
Hackathon Kick-off
Get an overview of the prizes and judging criteria, and find your team to start working at the hackathon kickoff session.
How to build a Fedimint wallet in 20 minutes (without Rust)
The Fedimint Web SDK just launched. Join Alex Lewin for a deep dive into what it enables for ecash payments on the web.
Fun with Lightning - How to Win Every Bitcoin Hackathon
Pt. 1 - Talk: Project showcase & guide on how to turn an idea into a winning hackathon project Pt. 2 - Workshop: Setting up a template hackathon project
1h
agenda