According to Jeff Dean, Spanner was named for its ability to 'span' all Google data centers with a unified storage system, providing global consistency and scalability (source: Jeff Dean Twitter, April 25, 2025). For crypto traders, this highlights Spanner's role in supporting high-frequency, cross-border trading platforms and decentralized finance by ensuring low-latency data synchronization and reliability across markets. The global database architecture is critical for exchanges and trading bots that rely on real-time data integrity and availability.