Earlier quoted context omitted.
Well what they can do is make longer chains and double-spend a lot, undermining trust in the Bitcoin network and making BTC plummet in value. The mining rewards would then not be enough to mine it.
> Well what they can do is make longer chains and double-spend a lot, undermining trust in the Bitcoin network and making BTC plummet in value. The mining rewards would then not be enough to mine it. The economic costs of performing such an attack is extremely expensive: It's why despite the "Oh, they can just double-spend & make it go to 0" rhetoric, this attack is too costly to launch against BTC - The amount of ha…
You say “on the order of billions of dollars” like that’s a lot of money.
For significant national governments, it is not.