Answering the question with a question: do you withdraw hundreds or thousands in your local currency and keep it all under the mattress for that random black da

Answering the question with a question: do you withdraw hundreds or thousands in your local currency and keep it all under the mattress for that random black day? Cash has a habit of running out from time to time, most annoyingly when it is needed and the amount of cash on hand is $0.50 – $1 short, hence the universal uptake of electronic payments. There is no going back.