Time background: In 2187, mankind entered the "digital era of consciousness" after the breakthrough of brain-computer interface technology.
Core contradiction: The boundary between the real world and the virtual world is broken, and "data ghosts" appear that can tamper with human memory.
Technology level: Quantum neural networks are popular, but people at the bottom still use traditional smart devices
Social structure: The world is controlled by three major technological oligarchs, and ordinary people seek a sense of existence in the virtual world.
