The push of central banks for increasingly negative yields on debt issuances is now starting to impact bank depositors. As banks increase their fees to offset the negative yields on bank assets, the act of savings is now costing depositors money.
In the #EU, it now makes more sense to literally keep cash in the proverbial mattress instead of in a bank. There is an increasing trend of hording physical currency (mainly the US dollar, indicating a coincidental loss of faith in the euro).
How long until this becomes a full-blown bank run across the continent?