This is the 2691st most frequent German word.
falschen
"Falschen" means "to falsify" or "to counterfeit" in English.
Here, 'falschen' is used as an adjective to mean 'wrong' or 'incorrect', describing the shoes.
Ich denke, du hast die falschen Schuhe für den Ausflug.
I think you have the wrong shoes for the trip.
In this context, 'falschen' describes the coins as 'counterfeit' or 'fake', indicating that they're not genuine.
Man sollte nicht mit falschen Münzen handeln.
One should not trade with counterfeit coins.
Here, 'falschen' characterizes the information as 'incorrect', implying that some data might not be accurate or true.