"...Since Day 1, everything on the blockchain has been digitally signed, authenticated, and tracked in a way that cannot be altered after it is written. This is done in order to make sure that businesses can validate and produce blocks. One of the consequences of this design is that it is straightforward for investigators to track crimes, since every transaction is traceable."
Building a Moral Blockchain.
By Money Button Announcements, News February 7, 2019
https://blog.moneybutton.com/2019/02/07/building-a-moral-blockchain/