Well, I can't speak for why it might be tracable, but can conversely testify that it has dedicated mechanisms for obfuscating and confusing transaction details such as who sent money, who received it, and how much was transferred- mechanisms which are used by default for every transaction, not just for "private" transactions, creating a cloudy swarm of activity in which you can only really tell that "transactions are happening" without access to (or the intense brute-force effort of obtaining) one of the several private keys involved in any given action.
Some ground-laying patents have been filed by CipherTrace, but I think it speaks for itself that the IRS's $625,000.00 bounty on tracing Monero still stands.
Some ground-laying patents have been filed by CipherTrace, but I think it speaks for itself that the IRS's $625,000.00 bounty on tracing Monero still stands.