According to @ItsDave_ADA, the Cardano Hydra demo is "looking good," marking a positive development status update shared on X on Dec 2, 2025, source: Dave (@ItsDave_ADA) on X, Dec 2, 2025. Hydra is Cardano’s layer-2 scaling protocol that uses Hydra Heads to enable high-throughput, low-latency off-chain transactions with on-chain settlement, source: Input Output Global Hydra Head documentation. For trading workflows around ADA, monitor official Hydra release notes, testnet announcements, and repository activity to validate concrete progress signals, source: Input Output Global blog and the Hydra GitHub repository.