How does a private Blockchain differ from a public one? Select all that apply.

How does a private Blockchain differ from a public one? Select all that apply.
A . A private Blockchain does not use proof of work consensus
B . A private Blockchain is more efficient and has faster transaction times
C . A private Blockchain is not distributed
D . A private Blockchain often requires the identity of users to be known

View Answer

Answer: D

Explanation:

Reference: https://medium.com/coinmonks/public-vs-private-blockchain-in-a-nutshell-c9fe284fa39f