The night breeze of Shanghai's Bund carried the humidity of the Huangpu River, brushing against Lin Xia's burning earlobes. She stood at the outdoor booth of the International Blockchain Developers Conference, her fingers trembling slightly over the holographic projection of the BAB token model. The blue glowing points representing digital identities were jumping in a way that violated all encryption logic—they were committing suicide. "Lin, the main chain block confirmation count is abnormal!" The intern Xiao Ke's exclamation came through the headset. Lin Xia quickly swiped the air projection, and the real-time surveillance footage from the Hangzhou data center four hundred kilometers away flashed on her retina. In the green waterfall flow representing normal blocks, a scarlet death pulse flashed every thirty seconds.