Bitcoin is the new USENET

[gerritcole]

All cryptocurrencies should be outlawed and banned as payment option in my opinion. Currencies belong in the hands of the public and govt and not private companies.

Clearly, you don't understand how bitcoin works. There is no one in control of that particular blockchain. At most one could ban purchases/sales of cryptocurrencies using the existing banking system, but there's no point save perhaps as an anti-money laundering measure. They don't present any systemic risk to the economy.

They’re a risk to the environment