Re:Coinbase Ordered to Turn Over Identities of 14,355 Crypto...
by prepend on Thursday November 30, 2017 @02:11PM
(#15818575)
It has been and upheld. Been established for quite a while. Here’s a US Supreme Court case from 1996 - https://en.wikipedia.org/wiki/Bennis_v._Michigan
Definitely something I'd like to see challenged in the court system.