The main hackathon competition part of the lightning++ 2025 Berlin event, happening in early October, 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.

6-hours of effort. Get your team of four-turbo hackers together and compete for the pride and glory of being crowned the grand prize winner of this year's privacy hackathon.

100+ Hackers competing Heros are made in the trenches of hacking.

5M sats of Satoshis in Prizes With a grand total of 5M sats to take home, you'll want to execute your best privacy ideas

21,020,103 Lines of Code to Write Builders build at bitcoin++. Come show us what you can do in 6 hours. Vibe coding strongly encouraged.