Berghain primarily operates on a cash-only basis. This means that it's advisable to bring cash (Euros) with you when you visit the club, as credit or debit cards may not be widely accepted for payment at the bar, entrance fee, or other transactions within the venue.
It's important to be prepared with enough cash to cover your expenses while at Berghain, including the entrance fee, drinks, and any other services. ATMs are typically available in the vicinity of the club if you need to withdraw cash.
However, please note that policies and practices can change, so I recommend checking Berghain's official website or contacting the club directly for the most up-to-date information on payment methods before your visit.