Cardano, the proof-of-stake Cardano platform, has released AlonzoBlue 2.0, a new version of the Cardano node to the testnet. The 'Alonzo' hard fork is a long-awaited milestone for the platform since it will allow smart contracts to be implemented in Cardano. Blue, white, and purple are the three stages of the introduction, with each phase presenting more characteristics. Alonzo can construct basic smart contracts and send them to the blockchain