Whereas the Cardano (ADA) protocol is similar to Ethereum’s PoS mechanism, the Cardano protocol is faster and has improved efficiency. The protocol introduces more features at an advanced level without blemishing the original idea of crypto that is decentralisation.
Cardano balances security, speed and decentralisation whilst attempting to improve proportionally forward with each release or published paper. This is the idea from the mind behind it all, the founder Charles Hoskinson, who said this:
“What we’ve done with Cardano is start with asking ourselves what a blockchain is.