Customers of Rotterdam cryptocurrency broker Knaken are unable to reach their coins after the company abruptly took its website and trading app offline, with no word on whether or when they will get their money back.

Knaken says it has halted all activity because it does not meet new EU rules for crypto firms, known as MiCA, the Financieel Dagblad reported. The broker, which is almost ten years old and sponsors the football club Feyenoord, said it was working out how to settle with its customers and…