Shanghai’s Cryptographic Biome: Quantum Canals Breathing Life into the Yangtze’s Digital Soul The Quantum Watergrid Beneath the Huangpu’s leaden waves, self-replicating server junks modeled on Zheng He’s treasure fleets process 8.9 exabytes/sec of Eurasian financial data. These graphene-hulled data cathedrals cooled by Song-era tidal m