http://f45vtojgpisck2joju3ewn7nlp2r33dbvqflze74mfvryrrg44knnkqd.onion/the-history-of-privacy-coins-their-rise-their-adoptions-their-exploits-and-their-downfalls-11.html
The asset underwent a major price surge after the seizure of the Silk Road, but it never saw any widespread adoption and no significant darknet markets ever implemented it. This is likely because, aside from its ability to conceal IP addresses of transactions and users when it was properly configured to use SOCKS proxy connections, and providing mixing features, it did not provide a substantial degree of anonymity over Bitcoin.