What is virtual currency?

1. What is virtual currency???
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In the past, only physical paintings could
distinguish between originals and
reproductions, and it was often difficult for
digital files to identify which is the original
original file. But now, even if the digital work
itself can be saved as a new file at will, the
tokens representing the digital work are
tracked on the blockchain. , has a unique
identification code, provides proof of
ownership of the original digital assets, and
proves that this file is "the only one in the
world, no second", and then generates
collection and commemorative value.