> many of these things require privacy (and/or secrecy), which blockchain cannot guarantee (nor offer) Note that not everything needs to be public. One can (an

> many of these things require privacy (and/or secrecy), which blockchain cannot guarantee (nor offer) Note that not everything needs to be public. One can (and in many cases should) save the transaction details in a private chain (or database for that matter) and publish only its signature publicly, so that any change can always be detected. But of course there still need to be the usual society safeguards present, otherwise no technical mean will solve anything.