Cardano has confirmed that its mainnet continued stable block production despite rumors of a network outage on November 21. The confusion arose from outdated nodes that failed to sync with the latest version, leading to anomalies in some wallets and tools. Cardano community leader Nicolas Cerny and developers assured users that the network remained fully operational, with all transactions eventually confirmed. Supporters highlighted Cardano's impressive reliability, noting its near-zero downtime record over the years, which surpasses many other blockchains and even Cloudflare. This incident underscores the importance of keeping nodes updated to ensure seamless network performance.