The dawn of cryptocurrency

An employee demonstrates the usage of a bitcoin automated teller machine (ATM) at the BITPoint Japan Co. headquarters in Tokyo, Japan, on Thursday, May 25, 2017. BITPoint Japan, the company behindPeach Aviation Ltd.’s move to let travelers use bitcoin topay for tickets, is planning to give hundreds of thousands of Japanese retail outlets the ability to accept the digital currency. Photographer: Akio Kon/Bloomberg

Can bitcoin and ethereum challenge the traditional world of fiat currencies?

THEIR price may be volatile, they may be used by a few rogue elements and lack traceability, yet cryptocurrencies such as bitcoin are all the rage now.