https://play.picoctf.org/practice/challenge/309?page=1&search=substitution
It seems that another encrypted message has been intercepted. The encryptor seems to have learned their lesson though and now there isn't any punctuation! Can you still crack the cipher?
툴을 사용하여 해결했다.
툴을 사용하니 punctuations의 부재가 정답에 영향을 끼치지 않았다.
picoCTF{N6R4M_4N41Y515_15_73D10U5_42EA1770}