They’re not worth anything, never were but even less through the years with inflation.
If a store wants to sell something for 99 cent, they can either just take 1€ or 95 cent.
Maybe even 5 cent pieces? But that would be a bit radical.
I am a bit annoyed that easy ideas like this are never discussed in politics, or wherever. It would make our lives just a little bit easier, and having them achieves NOTHING.
Get rid of those annoying worthless coins ! When I see a 2cent on the ground I don’t both picking it up. I have a cup full of them at home (we all do). They are a complete waist.
What we need instead is developing a robust, EU wide and well regulated system for mobile payment. You just pay by scanning a QR code or NFC. This is very common is Asian countries already. We should do that, but EU-grade.