South Korean banknotes are surviving longer in the pandemic apparently because people are buying more things online instead of in cash.
The Bank of Korea estimates that as of last year the highest-value bills worth 50-thousand won could be expected to last for about 15 years, which is four months longer than the year before.
The 10-thousand won bill would last 11 years and the one-thousand won bill five years.
When bank notes are too damaged to use, they're withdrawn from circulation and destroyed.
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