IOHK has announced a Cardano network upgrade scheduled on February 20 in order to prepare the network for the Shelley Mainnet launch. The upgrade’s purpose is to introduce Ouroboros BFT, an improved consensus mechanism. This upgrade is an intermediate step between the network’s current Byron era and Shelley, which would enable staking on the blockchain. Cardano Network Upgrade Ouroboros is a ‘provably secure’ proof-of-stake (PoS) protocol. Currently, the Cardano network is using Ouroboros Classic, which has several compromises in decentralization. Namely, the network’s list of validators is fixed, and their succession is already known. Now, Cardano has confirmed that the
