fee: dukascopy:trading_account:crypto_maint

One row per fee charged on a product. Every row carries a source_page reference to the original bank PDF. NULL amount means 'on request' (tailored pricing) or 'not published in current source'.

This data as json

id	product_id	bank_id	fee_type	label	amount	currency	frequency	tier	channel	note	source_page	valid_from	access_tier
dukascopy:trading_account:crypto_maint	dukascopy:trading_account	dukascopy	custody_fee	Crypto maintenance (BTC/ETH/USDT/DUK+) when in quarantine	2000.0	CHF	one_time			Charged every 6 months until quarantine resolved; cannot exceed deposit amount		2026-05-10	free