Analyzing Death Note Through Information Theory: How L's Investigation Represents a De-anonymization Problem

Summary

This article analyzes the anime/manga series Death Note through the lens of computer security, cryptography, and information theory. It examines how the detective L's investigation process can be understood as a de-anonymization problem, quantifying protagonist Light Yagami's initial anonymity and the gradual erosion of his privacy through various mistakes. The piece treats Death Note as a thought experiment about perfect murder weapons and explores how information theory principles apply to the cat-and-mouse game between Light and L.