In addition to other enhancements, Hydra presents the new version with several changes to the API, fixed bugs in the Hydra-node and an improved Hydra user experience.
Hydra, a crucial Layer 2 option to further increase Cardano’s scalability by layering a new protocol, is one of the most exciting recent advances made possible by Alonzo. The Alonzo upgrade made it possible to build smart contracts, dApps, and other apps on top of Cardano.