Start your career in bitcoin open source software (₿OSS).

₿OSS Challenge

₿OSS Challenge - start your career in bitcoin open source

Change your life in 2025 ⏰ Applications close: December 31 🎯 Program begins: January 13 🌎 Open to everyone. Totally free.

Start your career in bitcoin open source development with Chaincode Labs. learning.chaincode.com/#FOSS Deadline to apply closes in a few hours. Don’t miss out!