Do you trade? There are many ways to bet against a stock without actually selling it short. Shorting a stock is not even that capital efficient, and is capped at 100% return.
Sell a call spread, buy a put spread, do a diagonal calendar...
You'd be surprised. The SEC has largely been captured by the industry it regulates. Most employees there are junior level, looking to get hired into Wall Street.
There are certainly some strong employees as well, but they have only so much time.
> The SEC has largely been captured by the industry it regulates.
An objection that, while true, doesn't impact "will they go after Bitcoin scammers" much. If anything, it's precisely the sort of thing they'd prefer to do over fighting with industry.
Even very average positions could yield millions, especially a series of them. Imagine a "manager" of a MLM doing this with their team of sheeps. There are many teams like that.
It's likely you could continue to narrow things down via KYC data; location, past trading history, etc.