The Indian government has been discouraging cash use, leading to consequences such as http://www.dailymail.co.uk/news/article-3923522/Indian-farme...

>Can't you just use cash?

If it goes according to plan, no.

"The top news out of India over the past 12 months has been Prime Minister Modi’s move to ban 85% of the currency in circulation"

Yes. Unfortunately, stores in America are starting to go cashless: https://www.nytimes.com/2017/12/25/nyregion/no-cash-money-ca...

The US is very cash centric, but a lot of countries are slowly migrating away from it. Many stores don't accept cash and it is mostly the older generation that continue to use it.

If we want cash to remain stores must be forced (by law) to accept it, and this must be done soon. Even if we go that route you will quickly become that weirdo that payed in cash if you actually makes use of it.

>...it is mostly the older generation that continue to use it.

People always forget the homeless.

In developing countries even people with homes often don't have addresses. But they can have a bank account on their mobile phone, like M-PESA.

Well, this is also something that is a much bigger problem in the US than in other rich countries.