Pro and cons. You can carry cash, as they offer options, for you to pay via cash too, just that people will find more convenient using cashless.

You don't need carry a piece of plastic like credit card, cash, coins. Just an online account and smart phone.

Technology is here...just embrace the technology.

China speed up fast, leap frog in front in other countries.

Malaysia still talking about high speed rail. To built or not, China in 20 years, already built up the largest high speed rail in world combine.......

Exponential growth......enable by science and technology

Think about it, to goto foreign country, like you visit Singapore, Thailand....you need to exchange the currency, money changer, earn % of the exchange.....you have to change RM to SGD, or keep Thai Baht notes..

In cashless...you just go the country and scan/pay, what you want to buy/spend stuff or pay hotel booking, all using smart phone....the exchange rate will calculate and all minimum charge without bank/money exchanger taking a fee.

The rate also can follow market pricing up to the latest exchange rate...when u scan