Is cash going the way of the dodo?

Technology and the proliferation of ways to pay are increasingly sidelining cash. Given the trend, will cash disappear completely? Other arguments also support this scenario. The disappearance of cash could make it easier to combat illegal activity and the underground economy. The central banks are also cognisant of the advantages, as it could be easier for them to adopt negative interest rates if people did not have the option of keeping their assets in cash.