Sign-In System: From Delivery Boy to Tech Titan

College sophomore Chen Nuo stumbles upon a game-changing discovery during his summer delivery job—a divine sign-in system that grants him random skills with every customer signature. What starts as university-level physics expertise quickly escalates into cutting-edge technologies: millisecond brainwave interaction, carbon-based chips, autonomous driving, and even controlled nuclear fusion. As the system upgrades, so does his arsenal of world-changing innovations. From humble deliveries to building China's premier research institute, Chen Nuo's three-year journey transforms him from an ordinar…