Digital asset exchange Bullish has invested 250 bitcoins, valued at approximately $19 million, into Mezo, a Bitcoin decentralized finance (DeFi) protocol. This strategic investment aligns with the launch of Mezo Prime, an institutional yield product developed in partnership with Anchorage Digital Bank. Bullish will be the first to integrate Mezo Prime with Anchorage, utilizing part of its Bitcoin treasury. Mezo Prime features "Enclaves," isolated Bitcoin vaults for institutional depositors. These vaults allow Bitcoin to be locked as veBTC to earn protocol fees or used as collateral for borrowing Mezo's Bitcoin-backed stablecoin, MUSD. Anchorage Digital Bank serves as the custodian for this treasury. Mezo co-founder Matt Luongo highlighted the potential for corporate-held Bitcoin to generate yield, addressing a gap in institutional Bitcoin utilization.