Earlier quoted context omitted.
A lot of financial transactions and central clearinghouses require participants to post collateral. For example if an insurance company enters into an interest rate swap with a bank, both sides will have to post some percent of the contract's notional value in escrow. This protects both sides from counterparty risk (i.e. what if the insurance company goes out of business and can't pay its side of the swap). The colla…
There's no electronic cash account they can put up? If not, why not, and why can't we enable something like that so people aren't forced to buy bonds in order to hold cash?
Cash can lose value as well if it just sits, inflation being the key reason.