I agree that the crackdown will continue, but I'm fairly sure cryptocurrencies will survive in a non-trivial capacity. Their use case for black markets is just

I agree that the crackdown will continue, but I'm fairly sure cryptocurrencies will survive in a non-trivial capacity. Their use case for black markets is just too great, especially after cash disappears and governments are able to track every fiat payment. How else will people pay for their illicit services and products?