Ready to join B4OS 2025?

The B4OS 2025 program is open to senior developers from Latin America, the Caribbean, and Spain. The registration process is completely free.

Become an expert in Bitcoin and Lightning Network!

Complete the form and apply for one of the 35 scholarships that cover 100% of the course value (USD 60). This is possible thanks to the donations we receive.

With this scholarship you will be able to:

  • Learn from the best professionals in Bitcoin and Lightning.
  • Join an exclusive network of Spanish-speaking experts.
  • Access the opportunity to be selected for an in-person residency with expenses covered, if you are among the best students. The previous residency for Developers and Designers of Bitcoin 4 Open Source (B4OS) was held in Buenos Aires, Argentina, in 2024.
  • To apply, complete this form honestly and demonstrate your passion for learning. If you don't know the answer, simply choose 'I don't know'.
  • The selection process includes this application and a possible interview.

Don't miss this opportunity!

Registration until: September 16, 2025

Registration Form

You can use your real name or a pseudonym
Double-check your email, we will use it to communicate with you
Select the course you're most interested in learning
Select the country where you currently reside
Your current city of residence
Share your GitHub profile or portfolio
We're interested in knowing what specific aspects of the Bitcoin ecosystem you're passionate about (Privacy, Security, Censorship resistance, Decentralization, etc.).
Tell us how you heard about us or through which channel you found us

We seek for study groups to be diverse and inclusive. If you are a man, invite your friend, sister, a woman you believe could benefit. Tell her to add your name in the recommendation. The objective is to have at least 25% participation of women and non-binary individuals.

This information helps us create more diverse and inclusive study groups
You must accept the code of conduct to continue