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@kurenaif

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kurenaif
kurenaif

@fwarashi

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OverviewAuthored Challenges7Organized CTFs1Writeups2Participated CTFs3Solved Challenges143
OPEN DATECHALLENGESOLVES

2026/04/17

super_simultaneous_equations
Crypto
75 solves

2026/03/24

crypto_666
Crypto
114 solves

2026/02/25

One Byte Padding Oracle Attack
Crypto
78 solves

2026/01/04

Encoding Basics
CryptoMisc
355 solves

2024/11/23

reiwa_rot13
Crypto
32 solves

2024/11/23

Tidal wave
Crypto
7 solves

2024/11/23

dual_summon
Crypto
10 solves