There is no indication the Bitcoin protocol was compromised. ‘“Seizure" is probably a word used to imply that money was received in the process of a Silk Road sting operation, rather than actually seized from the bitcoin user’s wallet. " said Andreas M. Antonopoulos, a security expert and Let’s Talk Bitcoin contributor

The whole SR case was all a setup from the beginning, by the gov. agencies.

Watch Curtis talking about this in an old interview:

https://lightning.video/34b663a602ea47d3551b618496246cdd3d8d9dad41a90722bb79795d1f040228

and

https://lightning.video/b157b92790a99097e14e60be84936ddc118f0945b6537dc0f2f24e58a0e96993