$ cat writeup.md…
$ cat writeup.md…
bluehens_ctf_2026
Task: a plain-text internal memo hides data in trailing spaces and tabs. Solution: extract end-of-line whitespace, decode SPACE=0 and TAB=1 into bytes, base64-decode the recovered string, then XOR with 0x23 from the policy #23 hint to reveal the flag.
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$sign in$ grep --similar