Swirl card can be used as a prepaid mastercard, so accepted online just like mastercard & instore if they still have machines that left you 'slide' the card and sign.
SWIRL Prepaid Mastercard® Ireland’s favourite Prepaid Mastercard®. Use in-store and online at over 45 million locations worldwide. Withdraw cash from over 1 million ATMs – anywhere you see the Mastercard® logo. Top up in your local Payzone shop, online with your debit or credit card or via IBAN...