Mercado Libre decision to accept Bitcoin is a major breakthrough, as it gives legal status to cryptocurrencies. There are more than 3,000 stores or brands within Libre’s ecosystem in the region. Brazilians can now pay in Bitcoin for the goods they purchase through Latin American e-commerce site Mercado Libre. The online retailer has partnered with Atlanta, Georgia-based payment services provider Bitpay to enable the service on its platform. Mercado’s decision to accept Bitcoin is a major…