There is a pain threshold that cannot be exceeded and people would opt-in to store paper bills. Central banks know this. Here is a good speech from ECB: https

There is a pain threshold that cannot be exceeded and people would opt-in to store paper bills. Central banks know this. Here is a good speech from ECB: https://www.ecb.europa.eu/press/key/date/2020/html/ecb.sp200826~77ce66626c.en.html https://www.ecb.europa.eu/press/key/date/2020/html/ecb.sp200...