Zero. Not lower. Not phased. Zero.
Switzerland exempts crypto gains, unless you trade "professionally." A bureaucrat decides which one you are.
Germany exempts them after a 12-month hold (§23 EStG)...
The full breakdown, why "gains" priced in a debasing unit aren't income, what §23 EStG and the Swiss professional-trader test actually say, and every US bill that's tried and failed to fix this, is what I write twice a week. It's in the bio. Free, no shitcoins.