Don’t ask Ross Ulbricht. You’ll have to ask the DEA agents who embezzled money while making unsubstantiated accusations of murder for hire. https://arstechnica.com/tech-policy/2016/08/stealing-bitcoin...
See page 3/4 and then page 27:
https://s3.amazonaws.com/s3.documentcloud.org/documents/1391926/gov-uscourts-nysd-422824-142-0.pdf