BREAKING!
Here is the leaked ChainAnalysis video about tracing Monero.
This is important to grok.
Remember they can see the # of inputs and outputs and the fees you pay.
of course
interacting with unknown nodes and exchange services is always risk.
Use a trusted node if you are concerned about targeted surveillance.
I'd like more information about heuristics used to eliminate decoys. In this presentation he glosses over it and picks a tx they already have confidence in.
https://nyxmr.top/archive/videos/crypto/chainalysis_XMR.mp4