Breakfast is typically included in Danish hotel rates. During the congress lunch, morning and afternoon coffee will be provided. For the congress dinner there is a small surcharge that you pay with registration. There are numerous possibilities for dinner as the congress venue is located right in the city centre.
Credit card is by far the most common method of payment in Denmark. Thus, there should be no need to change to local currency, but if you wish to; it is called Danish Kroner (DKK).