Miners Vs Validators

Miners - proof of work network

Validators - proof of stake network

In proof of stake, there is also a gas fee, but it is paid to validators instead of miners.

Block time

 How long it takes between blocks being published on a blockchain.

Consensus

Consensus:

proof of work

proof of stake

Consensus is the mechanism used to agree on the state of a blockchain

1. Chain selection

2. Sybil resistance -> proof of work

Source:

Patrick Collins

https://www.youtube.com/watch?v=M576WGiDBdQ&t=191s