Creating money out of thin air is one of the few truly magical things Muggles are capable of, which makes it odd that J.K. Rowling did not include a more thoughtful discussion of banking in her Harry Potter books. Indeed, the banking system in the wizarding world seems quite rudimentary -- more like the safe deposit business than true banking. Nevertheless, Muggle bankers and magical bankers face similar problems relating to security and money laundering and they have developed regulatory strategies to deal with those problems.
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