[TakeBlaster16]

If you sell $160000 worth of crack for green paper bills that nobody knows are connected to drugs, you cannot buy a Ferrari. The IRS will come knocking and ask where you got the cash. First you would need to launder the money.

If you sell 100 ETH worth of crack and send it through Tornado Cash, you cannot buy a Ferrari. The IRS will come knocking and ask where you got the cash. First you would need to launder the money.

[whatever1]

You don’t have to convert your crypto to USD to transact. Anyone would accept coins from your clean wallet.

[TakeBlaster16]

You can trade your green paper USD for a Ferrari. But after you drive it home, the IRS will still come knocking, because you didn't launder your money.

You can trade your Tornado Cash ETH for a Ferrari. But after you drive it home, the IRS will still come knocking, because you didn't launder your money.