Sadly transaction costs in established crypto are quite high for small (<$10)transactions. Microtransactions are not viable at the moment. There would have to

Sadly transaction costs in established crypto are quite high for small (<$10)transactions. Microtransactions are not viable at the moment. There would have to be a solid(likely with some sort of central authority) proof of stake crypto for inexpensive microtransaction models to work. Of course the alternative is doing it off chain but that pretty much gets us back to trusting some sort of central authority.