the autumn of 2010 North Jutland in the autumn of 2010 DSB's stations on Funen and the rest of Jutland in the autumn of 2010 The rest of the busses in Jutland and Zealand in the autumn of 2011, and soon after all railways in the capital. In 2015 old paper punch cards aren't sold anymore, leaving rejsekort and more expensive single tickets as the main options. Since 2018 it has been planned to replace MIFARE Classic with MIFARE DESFire. DESFire was shown to be vulnerable to side-channel attacks in 2011. More info at MIFARE#MIFARE DESFire attacks. See also Oyster card Octopus card Travel card References External links Rejsekort.dk - Official website (in danish) Public transport in Denmark Fare collection systems Contactless smart cards