A leaked ChainAlysis (a blockchain survellience company) video shows their methods/attempts to de-anonymize Monero users.
Relevant articles:
https://blog.nowhere.moe/opsec/chainalysisattempts/index.html
Mirrors of the leaked video:
Internet Archive[Taken down]Bitchute[Taken Down]Odysee 1[Taken Down]- Odysee 2
- Rumble
- I2P Torrent:
magnet:?xt=urn:btih:d371d4e4cb9a3760ef79e94fde0b8edf22062e49&dn=Chainalysis+Presentation+on+Monero+to+IRS+-+August+2023&tr=http://tracker2.postman.i2p/announce.php