In El Salvador, Berlin is quickly becoming recognized as the second major circular economy for Bitcoin. Nestled in the mountainous region, this vibrant city features approximately 150 businesses that now accept Bitcoin payments, following in the footsteps of the pioneering El Zonte. The integration of cryptocurrency into everyday commerce stands as a testament to the growing acceptance and utility of Bitcoin in various economic spheres. As more establishments join the movement, Berlin showcases a successful model for other cities aiming to embrace digital currencies in their economies. The shift not only boosts local businesses but also enhances the overall appeal of Bitcoin as a viable payment method.