When I was reading this, I was reminded of a company - Blockstream.

These guys are have a satellites which broadcasts bitcoin blockchain: https://blockstream.com/satellite/

I can be wrong but I wonder - what might be the impact of a non-neutral internet on cryptocurrencies?

Obviously any impact will depend on how much of bitcoin or any cryptocurrencies volumes are from US. I tried to look it up and found this page: https://coin.dance/volume/localbitcoins