On Friday 15 June, NanoQuine held the 12th Photonics Innovation (PI) Seminar on the theme of “Quantum Information for Everyone” at Komaba Research Campus. Prof. Masato Koashi, Director of the Photon Science Center, Graduate School of Engineering, the University of Tokyo, gave a lecture on quantum key distribution (QKD), which has attracted much attention among quantum information, and Assistant Professor Shuntaro Takeda (Furusawa Laboratory), Department of Physics and Engineering, Graduate School of Engineering, the University of Tokyo, gave a lecture on optical quantum computers. ” In line with the theme “Quantum information that anyone can understand”, both lectures explained the overall situation and issues in an easy-to-understand manner, and the seminar was a lively one, with many questions from the full house.