Bitcoin

Why not also destroy the entire architecture of high frequency trading, too?

This is so wrong, but i don't know where to begin.

On second thought, the links from @[email protected] are a very good start. I didn't even know about most of those examples.

Interested to know what the purposed attack vector is? You would need a lot of computing power or to know some flaw in bitcoin core Its probably easier to get your government to ban it, or move to somewhere its banned

Please read the Bitcoin Standard to get a better understanding on the topic. As long the global finance system works as it does now, there is no way Bitcoin will disappear.

Some anti-FUD for you:

https://reason.com/video/2021/02/05/bitcoin-is-protecting-human-rights-around-the-world/

https://www.upstreamdata.ca/post/natural-gas-venting-how-bitcoin-solved-a-160-year-old-problem (https://twitter.com/Beetcoin/status/1120277815058944001)

https://finance.yahoo.com/news/study-over-74-bitcoin-mining-180300738.html

What you call "financial speculation" is just people discovering a new tool to protect their lifetime effort and you think you have a suoerio moral and are capable to take better desicioms for those people. You are just an angry human that doesnt like something and want to use force to change it, the rest is just a bunch of your cognitive byases making sense out of it. Go study some austrian economics before talking about speculation like a bad thing