inside or outside
the destruction makes the half shekel redundant for now
but keep it around, might be useful in the future.
(after discussing how and where to dispose of meat that has become impure, and where to place various offerings on the ramp in the Temple, this page discusses what happens to various obligations once the Temple is no longer present. Debated are the half-shekel and the first-fruits, and if they can become consecrated and kept waiting until the Temple is rebuilt.)