On the one hand, a narrow warrant that reveals a lot of people (classic example are warrants on motels to provide the names of everyone who checked in on a certain date, or was registered on a certain date) are certainly constitutional and have been upheld many times.
The first seems, odd.
In a just-unsealed case from Kentucky reviewed by Forbes, undercover cops sought to identify the individual behind the online moniker “elonmuskwhm,” who they suspect of selling bitcoin for cash, potentially running afoul of money laundering laws and rules around unlicensed money transmitting.
In conversations with the user in early January, undercover agents sent links of YouTube tutorials for mapping via drones and augmented reality software, then asked Google for information on who had viewed the videos, which collectively have been watched over 30,000 times.
Wait, what? So is Bitcoin illegal to use as a currency now? Special casing exchanges for cash seems completely pointless if you could just buy some of <any commodity> for cash and then turn around and sell it back to the same person for the same amount in Bitcoin, but if every customer has to do KYC of the merchant when they're paying with Bitcoin, how is that ever going to be feasible?
Charitably speaking that is.
https://www.autoweek.com/news/a2055556/venom-law-police-put-...
Even better might have been to directly link to some service that they already control on a honeypot URL, and then gone after the ISP for customer details.