People don't even use cash anymore. This isn't the 80's. Everyone's switched to credit cards so if the government had any excuse to get rid of cash, they could've used it ages ago citing it's obsolescence.
Not all people can afford to use that kind of payment method with the use of cards because not all people are given a chance to engage with that technology. Here in our country, there are still people who are willing to use cash than using a digital money. In a specific country, it doesn't really develop as a whole because there are still some rural places who are left behind.
the progress of online purchasing which is now flourishing in this pandemic. so an update is needed, it seems that the use of electronic money connected directly to mobile phones is starting to bloom. transactions are easier to do, finish buying just scan the barcode. so the possibility of using cards and cash will start to decrease.
Online businesses will really become popular if this happens.
Once that people are using only digital money, they will not hesitate to buy anything that they want or anything that they see in online shops.
It is really easy to make transactions using your phones because you don't need to go outside and it is less hassle for everyone.