This dataset provided by National Bank of Greece, contains data concerning transactions made through cards of a thousand of the bank’s customers. Plenty of features are included, concerning the types of the transactions and that of the cards used for each of them. Also included are the amounts transferred, the number of the installment and the total number of installments, as well as the date, country and the channel for each and every transaction, while the categories of the companies concerned are also contained in the set. The ID of the customer associated with each transfer remains masked for data privacy.