Margin lending involves the utilization of idle assets (lending) for financial return in the form of interest. Margin lending is a popular and proven way of putting idle assets to work. IML utilizes at least 95% of available assets to obtain such positions which will earn interest every day. The current rates are published here.
The use of short-term, highly leveraged positions is incredibly popular amongst traders in the crypto space. The fund provides the necessary capital for these traders to open short-term (hours to weeks) leveraged positions in exchange for an interest rate typically far in excess of those found in traditional markets. In traditional finance these practices are also common, however, large institutions are the only parties operating on either side of the loan book.