Moonstone’s investigation demonstrates, under certain circumstances, XMR transactions can sometimes be partially traced despite their privacy features. […] “Wow… not as private as everyone thinks,” one person remarked.
Simmons shared his perspective about Moonstone’s study as well and stressed that the specific tracing scenario doesn’t apply to the typical Monero user. […] He explained that the ability to trace resulted from unusual circumstances: private keys were shared with a chain surveillance company.
Moonstone Research Study Etches Doubts on Monero’s Privacy; Crypto Community Reacts