This is why what the https://z.cash/ project is about and why it will become very important. All the media chatter about bitcoin relating to the deep web markets ignorantly plays up something that just isn't true about bitcoin in the first place, although it can be very easy to obscure the route of money flow. But for corporate business, and why banks are important for business, is precisely this concealment of transaction pathways. In fact, it is an impediment that zcash will help remove from businesses dealing only in cryptocurrency. Criminals may need to 'launder' their money but companies also need to keep this kind of thing confidential just the same.