 Both independent research results are confirmed by the manufacturer NXP.These attacks on the cards didn't stop the further introduction of the card as the only accepted card for all Dutch public transport the OV-chipkaart continued as nothing happened but in October 2011 the company TLS, responsible for the OV-Chipkaart announced that the new version of the card will be better protected against fraud.The MIFARE Classic encryption Crypto-1 can be broken in about 200 seconds on a laptop from 2008, if approx.