🇪🇸 Día 2 — B4OS Residency 2026. Arrancamos temprano en la casa de mentores y ya estamos en aula junto a @Vinteum_org. Primera sesión: Daniela Brozzoni — Learning Bitcoin Core, One Exercise at a Time. Bitcoin Core se aprende escribiendo código. Seguimos construyendo. ✈️ 🇬🇧 Day 2 — B4OS Residency 2026. Early start at the mentors’ house and now in the classroom with @Vinteum_org. First session: Daniela Brozzoni — Learning Bitcoin Core, One Exercise at a Time. Bitcoin Core is learned by writing code. Building continues.