currently currencies are "global" ie shared by users, should rather be individual
basically it's just adding a user field, the problem is the existing data from different users using the same currencies. hence i should insert "duplicate currencies" for the users and update the currency_ids of their accounts & transactions
currently currencies are "global" ie shared by users, should rather be individual
basically it's just adding a user field, the problem is the existing data from different users using the same currencies. hence i should insert "duplicate currencies" for the users and update the currency_ids of their accounts & transactions