Build something real. Find collaborators, choose a challenge, ship your project, and put it in front of the bitcoin++ community.
Everything you need to enter, build, and submit without hunting through the conference site.
Bring collaborators or add teammates from their bitcoin++ profiles. One person belongs to one project team.
Enter the open competition, then opt into any sponsor challenges your project qualifies for.
Add your pitch, team, repository, demo, and supporting links before submissions close.
This is the hackathon site for the lightning++ hackathon in Berlin, Germany.
The main hackathon competition will be open ended (overall 1st, 2nd, 3rd). Anything involving bitcoin's Lightning Network is fair game.
There are optional challenges that hackers may create projects around. Submitting for a challenge is optional, and ALL projects will be considered for the main competition.
Thursday (10/2/25)
Kickoff Presentation: 12:30 PM (GMT+02:00)
Hacking Begins: 1:00 PM
Scheduled Hacking Time: 3:30 PM - 5:30 PM
Friday (10/3/25)
Submission Deadline: 12:30 PM - On Devpost
Report to Expo: 1:00 PM
Judging Expo: 1:15 PM - 2:30 PM - MAX 3 minutes (practice & time yourself)
Saturday (10/4/25)
Finalist Presentations: 1:30 PM - 2:15 PM - 5 minutes per team (main stage)
Awards & Closing: 4:45 PM
2 Million Satoshis - For the project that demonstrates the best use of BitVMX. Powered by Fairgate.
2 Million Satoshis - For the project that demonstrates the best use of BitVMX. Powered by Fairgate.
1 Million Satoshis - Write a plugin for Electrum.
1 Million Satoshis - Write a plugin for Electrum.
500,000 Satoshis - Make a project that helps ecash mints gain reputation by crowd sourcing attestations/ratings. Powered by Zeus.
500,000 Satoshis - Make a project that helps ecash mints gain reputation by crowd sourcing attestations/ratings. Powered by Zeus.
50,000 Satoshis - For the project with the most intuitive, polished, and visually appealing user experience. Powered by the Bitcoin Design Foundation.
50,000 Satoshis - For the project with the most intuitive, polished, and visually appealing user experience. Powered by the Bitcoin Design Foundation.
42,000 Satoshis - For the project with the most unnecessary use of OpenTimestamps in an otherwise serious entry. Powered by OpenTimestamps. https://opentimestamps.org/
42,000 Satoshis - For the project with the most unnecessary use of OpenTimestamps in an otherwise serious entry. Powered by OpenTimestamps. https://opentimestamps.org/
Tickets to future Bitcoin++ event - Only eligible to teams where EVERY member is a high-school/undergraduate student OR a first-time contributor to open-source bitcoin.
One ticket to a future Bitcoin++ event for each winning team member.
Tickets to future Bitcoin++ event - Awarded to up to 6 “honorable mentions”
One ticket to a future Bitcoin++ event for each winning team member.
BitKey hardware wallet - For the project with the best use of LDK, giving special recognition for projects with showcase for BOLT 12 or BIP-353. Powered by Spiral.
GL-MT3000 travel routers - TollGate is a open-source, sovereign Wi-Fi infrastructure powered by bitcoin. This challenge is for the project that best uses TollGate. Project ideas doc: https://gitworkshop.dev/npub1c03rad0r6q833vh57kyd3ndu2jry30nkr0wepqfpsm05vq7he25slryrnw/relay.ngit.dev/writing-with-vibeline/tree/master/structured-transcriptions/hackathon-ideas.md
Vibe Medallions & Clout - For the project with the most dazzle and best vibes. Powered by Vibes Capital Management.
