The key facts about Jio are as follows. BlackRock has acquired a significant stake in Jio for $853 million. This investment is a notable development in the company’s financial history. The exact details of the stake, such as the percentage of ownership, are not specified in the provided evidence. However, the investment amount is clearly stated as $853 million. The article also mentions that BlackRock has launched Bitcoin and RBTX on TradingView, but it does not provide further information on how this relates to Jio. The relationship between BlackRock’s investment in Jio and the launch of these products is not explicitly stated in the evidence.