The Ethereum Foundation's Devconnect event is set to transform Buenos Aires into a 'World Expo' of blockchain innovation from November 17 to 22. The event will feature 30-40 community activities across the city, showcasing Ethereum applications in payments, gaming, and more. Nathan Sexer of the Ethereum Foundation highlighted Argentina's significant crypto user base, with 5 million daily users, or 10% of the population. This event follows a series of regional crypto gatherings, underscoring Latin America's expanding crypto ecosystem.