This is actually quite an interesting post. It's on JP Krypto, but the entire article until you get to 
Granted, there's nothing wrong with any of this at all. I just thought it was funny that a article on Krypto books in a Japanese library in Tokyo, is written in Korean haha!
RE: [My Find Book inJapan] 가상화폐관련서적의 현주소, 仮想通貨ブロックチェーン関連書籍の現状, The Books related to cryptocurrency in Japan.