How will the accountants verify debits and credits?
I see lots of White Collar crime possibilities.
In crypto currencies all of the ledgers are public. It would not be treated any differently than who has access to bank accounts and wire transfers.
I have to chuckle at the belief in the propaganda that cryptos are used for illegal things. The last audit indicated it was less than 1/3% of transactions were suspect.
You cannot touch a $100 bill without getting cocaine residue on your hands.