PoS staking is an active process. It can ensure passive income but it is a reward for the stakeholders activity.

The primary goal of the Proof-of-Stake (PoS) network consensus is to enable the decentralized network to come to a mutual agreement among nodes about a single version of the truth. PoS is not only about the network consensus and there are very interesting social and financial aspects of the Cardano protocol.

Who owns the Cardano network?