Not at all. Today, ETH is PoW based for consensus. It is moving to PoS in the future.
ETH has do deal with at least one thing that Raft doesn't have to deal with... bad actors trying to inject bad data into the system, also known as the Byzantine generals problem [1].
ETH has do deal with at least one thing that Raft doesn't have to deal with... bad actors trying to inject bad data into the system, also known as the Byzantine generals problem [1].
[1] https://en.wikipedia.org/wiki/Byzantine_fault