>Unlike BitCoin or cash payments, Taler ensures that governments can learn their citizen's total income and thus collect sales, value-added or income taxes Wow, what a feature ...
Well, the world ain't black and white. Taxes are immoral, but evading taxes is probably more immoral. How low the scales are on both these is dependant on who is ruling you at the moment. Managing to build our societies around a non-cheatable taxation system would be a huge step forwards for our species. Just think how huge systems we have built just because most people don't want to pay. How much freedom and creativ…
I don't dispute that this could be true, but building our societies around untaxable money would be a similar step forward. The primary problem is the ambiguity, where the rich mitigate taxes/inflation while the poor run on the suckers' treadmill.
Although given the tendency for capital to influence government, and the speciousness of "majority rule", I don't particularly see an airtight taxation system leading to airtight taxation. In my opinion, it's more important to have exit for the minorities at the edges, than to attempt to soothe them with some centralized notion of fairness.