A financial crisis may be bring_oned by a proliferation of trillions of dollars of garbage.
Trillions can be constituted-of-or-filled-with (tax dollars).
Trillions of dollars of (paper wealth) may evaporate over a year.
Trillions can be constituted-of-or-filled-with floating-point operations.
(Junk mortgage debt trillions) can be constituted-of-or-filled-with dollars.