Golden Finance reported that Bloomberg ETF analyst Eric Balchunas posted on social media that "Jay Jacobs, BlackRock's head of US thematic and active ETFs, said at the "ETFs in Depth" conference: "We are currently concerned about Bitcoin, especially Bitcoin. The exploration of Ethereum is just the tip of the iceberg. There are only a very small number of client holdings (IBIT and ETHA) so our focus is currently on that rather than launching new altcoin ETFs. "