You're only covering laundering bitcoin into USD. There are money other avenues like buying sanctioned stuff with crypto direct. Convert blood euros to monero and go.

> all crypto exchanges that are allowed to interact with US banks must establish the identity of their customers same as a regular bank

And that is good of course that some countries do it, doesn't prevent all scenarios but it makes some difficult.

> P2P trades. Their volume can be estimated

How exactly do you measure what is what on crypto with mixers and anonymous currencies?

> a small amount (less than $100B) money laundering happens via crypto.

You mean via Bitcoin? You know there are other coins.