Hazelcast is the unified real-time data platform for systems that cannot afford to be slow, wrong, or expensive. About one-third of the world's top 100 banks rely on Hazelcast to run mission-critical workloads—including payments, fraud detection, risk, and live customer decisioning. By serving hot paths in front of legacy databases and mainframes, Hazelcast unifies in-memory data, events, and compute into a single runtime to keep critical decisions fast, correct, and available under peak load and changing conditions. Whether modernizing core architectures or reducing database consumption costs, Hazelcast enables financial institutions to run always-on operational systems with complete confidence.