3 reasons why no one counterfeited ancient paper money in ancient times
An ancient Chinese banknote is just a piece of paper, so why didn't anyone counterfeit it, how did the ancient government prevent counterfeiting?
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An ancient Chinese banknote is just a piece of paper, so why didn't anyone counterfeit it, how did the ancient government prevent counterfeiting?
With the old currency, you cannot copy because the banknote has EURion constellation system, it is small spots that appear on almost all types of money.
Although they know that it is illegal, these characters still defy all, creating many big money-making missions in the world.
Strange optical effects on butterfly wings can help people encrypt information on banknotes or other precious objects to prevent counterfeiting.
Scientists have invented these
Researchers have successfully tested US dollar, Swiss franc, Japanese yen and the euro.