Answer:
There are two main types of currency counting machines:
Currency counters: Currency counters are designed to count banknotes. They can be either single-pocket or multi-pocket. Single-pocket only count the number of notes, while multi-pocket can also sort the notes into different denominations.
Coin counters: Coin counters are designed to count coins. They can be either manual or automatic. Manual coin counters require you to feed the coins into the machine one at a time, while automatic coin counters can count coins automatically.