The BlackRock Liquidity Funds Tempcash Fund Administrator (BLAXX) is a mutual fund that focuses on providing investors with a stable and low-risk option for short-term cash investments. It is managed by BlackRock, one of the largest investment management firms in the world, and aims to maintain a high level of liquidity while also generating a competitive return for investors. This fund is ideal for those looking to preserve their capital and have easy access to their funds in the short term.