In the last five trading days, spot bitcoin ETFs have seen net inflows of more than $2.1 billion, with BlackRock accounting for half of those sales. Of the 80% of direct investors buying IBIT, BlackRock's chief investment officer of ETFs and index investments says 75% had never before owned an iShare.

BlackRock’s Bitcoin ETF received more than $1.05 b in the past five trading days as investors continue to show more interest in the spot products.

Impressively,7, BlackRock's IBIT amassed net inflows of $309 million, bringing the net US Bitcoin ETFs inflow to over $470 million.

Bitcoin more than doubled in value over the last year, and some Wall Street experts are predicting monster gains in the coming decades. Indeed, one forecast leaves room for Bitcoin's price to appreciate 73,000% by 2045, which implies equivalent gains in the iShares Bitcoin Trust. Here's what investors should know.