Bitcoin expansion network Mezo announced the completion of $7.50 million financing, led by Ledger Cathay Fund, ArkStream Capital, Aquarius Fund, Flowdesk, GSR, Origin Protocol and Bybit's ecosystem project Mantle EcoFund participated in the investment, so far Mezo's total financing amount reached $30 million, but its founder Matt Luongo declined to comment on the structure and valuation of the round.