Editor's note: this article was first published in French on my Substack before being translated into English with the help of AI. BlackRock, the world's largest asset manager, confirms Bitcoin's profitability. On the sidelines of the Blockchain Conference 2025 event in São Paulo, Cristiano Castro, BlackRock's Business Director, affirmed the success of the Bitcoin ETFs (Exchange Traded Funds) launched by the American behemoth. A "big surprise" for the firm, which manages a total of 1,400 ETFs...