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Challenges

Category
Difficulty
CTFtime weight
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Higher weight ≈ harder, more prestigious event.
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2 challenges tagged #error-correction ✕ clear · browse all techniques

Challenge CTF Weight Category Has
QR_God
#qr-code#error-correction
 SekaiCTF 2023 24.86 Misc files wu 1
bigbabycode
#mceliece#hamming-code#error-correction
 SAS 2025 Quals 20.72 Web files wu 1