Will BlackRock use HBAR?

Could you elaborate on the potential for BlackRock, a renowned investment management firm, to adopt the Hedera Hashgraph network and utilize its native cryptocurrency, HBAR? Given BlackRock's vast portfolio and focus on emerging technologies, what factors would influence their decision to integrate HBAR into their investment strategies? Are there any specific advantages that HBAR offers over other cryptocurrencies that might attract BlackRock's attention? Additionally, what challenges or obstacles could potentially hinder BlackRock's adoption of HBAR?