And an example of clever UX: On Coinbase, a crypto to crypto conversion has no fees. However, in that conversion the market price of the target coin is higher t

And an example of clever UX: On Coinbase, a crypto to crypto conversion has no fees. However, in that conversion the market price of the target coin is higher than the spot market price. So a hidden fee. Clever UX is quite an optimistic term for such a pattern.