The bank, its counterparties, trades and payments are made up, as are its customers except two that carry the names of real entities on the sanctions list. The list is the US Treasury's real one; exchange rates move around the ECB's real daily rates.
Waiting for the screening…
When the sanctions list or a customer changes, Calseda runs the screening again at once, for the customers it touches. Here a simple exact match by name and alias stands in for your screening engine, which would also catch spelling variants.