What are two advantages of using a DPOS algo in a blockchain? (Select two.)

What are two advantages of using a DPOS algo in a blockchain? (Select two.)
A . Scalable
B . Governance Model
C . Efficiency
D . Fast transactions
E . Centralized

Answer: A,D

Explanation:

The advantages of DPoS are that it is scalable and provides fast transaction verification, but the disadvantage is that it partially centralized and the governance model has not been proven effective in a large project. DPoS is employed by Steemit, EOS, and BitShares.