The point of modern currency (7)

I believe the answer is:

decimal

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'the point' is the definition.
(I have seen 'The point' mean 'decimal' so perhaps 'point' could also mean 'decimal')

I cannot understand how the remainder of the clue works.

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(Other definitions for decimal that I've seen before include "(System) based on tens" , "Medical (anag.)" , "System based on ten" , "In base ten" , "Sort of coinage" .)

I've seen this clue in the Evening Standard.

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