Mux, a platform for video streaming, utilizes CockroachDB to ensure data consistency and replication across multiple clouds and regions, vital for maintaining high availability and low latency in their services. Initially facing challenges with disparate signing key systems across various products and regions, Mux consolidated these into a unified global service using CockroachDB, which supports their requirements for data consistency, low latency, and fault tolerance. This setup allows Mux to efficiently manage signing keys used for tasks such as authorizing playback URLs and joining Real-Time Spaces, by leveraging a multi-region, multi-cloud infrastructure that ensures seamless accessibility and failover capabilities. Their deployment involves CockroachDB clusters operated within Kubernetes on AWS and GCP, allowing for horizontal scalability and the integration of other globally relevant databases, ultimately enhancing both developer productivity and user experience.