Smartphones, fingerprints or clever technology - something inevitably will supplant bills and coins.
In the world is growing at a fast pace and in some developed countries reaches the Will Cash Disappear? about 92-99% (USA, Canada, Great Britain, Sweden).
The closest thing. In most Swedish establishments, they no longer accept cash, they look askance at it even in banks. Professor Niklas Arvidsson believes that Sweden is on its way to becoming the first cashless society on Earth that Sweden can become the first country in the world without cash.
Electronic money still replace cash. The question is what will come to replace them: plastic cards or something that many of us part with only during sleep - smartphones.