The Private Data feature in Hyperledger is great for keeping data private between Organization A and Organization B in a channel with other Organizations that don’t need that private data, e.g. Organizations C-F. Read full article on Medium
Why was PoA needed vs PoW?
PoW (Proof of Work) is fine when the network has value, as it is worth the expensive computing needed to protect the network against a 51% attack. Read full article on Medium