Bitcoin (CRYPTO: BTC) as a portfolio diversifier and hedge against rising government debt and currency debasement, according to BlackRock Inc. (NYSE:BLK) Global Head of Digital Assets Robbie Mitchnick. How ETFs Build Long-Term Investor Base Speaking on the Crypto Prime podcast on Sep. 5, Mitchnik noted that investors in the firm's iShares Bitcoin Trust ETF (NASDAQ:IBIT) have largely held their positions despite Bitcoin's more than 50% peak-to-trough drop since October 2025.