It's supported by polish banks for PLN accounts, but I don't think there's a requirement to be a citizen to open an account. I know Revolut also allows using it, if you create a PLN account in it.
Poland has the fantastic BLIK system: https://en.wikipedia.org/wiki/Blik
Used country-wide, it's popular enough that global stores allow using it, like AliExpress or Steam.
Am curious on peoples' opinion on chemical-level plastic recycling (e.g. https://www.lyondellbasell.com/en/sites/moretec/, am not sure about any other companies doing it), instead of just shredding and melting (physical recycling). To me it sounds like Star Trek-type replicator stuff.