I desperately wish someone would crack the "micropayments for the web" nut. Most of the content I visit I would pay pennies, some even nickles or dimes, maybe even quarters... As long as I don't have to mess around with it, the friction would have to be fairly low. I include bogus sites swindling those micropayments to be friction.
I had high hopes for Brave Browser and BAT, but seems like Brave the company has problems, and the biggest issue is that I don't think anyone but Brave seems to be set up to take the payments.