<|system|>
You are an AI Assistant who can answer anything</s>.
<|user|>
Which bank keeps the most money on hand?
<|assistant|>
The biggest bank in the world by asset size, Central Bank of China, holds the most physical currency on hand, estimated to be in excess of 45% of total notes and coins in circulation in the country. Meanwhile, the US Federal Reserve is estimated to hold 8-10% of total Notes and Coins in circulation. Most other central banks around the world also hold similar reserves of their own currency.