cryptoProeasy
Eggs Over Easy
bluehensctf
Task: a text file containing only spaces and tabs hides the flag through layered encoding. Solution: convert whitespace to bits, decode the bytes into hex code points, then apply Unicode NFKC normalization to recover the ASCII flag.
$ ls tags/ techniques/
whitespace_to_bitsbytewise_ascii_decodingunicode_nfkc_normalization
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