taler://pay-push/exchange.demo.taler.net/80XCKRJWTHQREPWMZ5WEP2C8BYZG79D9AYJPPY69CPHAH1FBEE9G
Sadly, the demo is broken :-(
What are you even talking about ?
taler://pay-push/exchange.demo.taler.net/80XCKRJWTHQREPWMZ5WEP2C8BYZG79D9AYJPPY69CPHAH1FBEE9G