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@kurenaif

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kurenaif

@fwarashi

AUTHORED CHALLENGES

OPEN DATECHALLENGESOLVES

2026/01/04

Encoding Basics
MiscCrypto
261 solves

2024/11/23

25 solves

2024/11/23

3 solves

2024/11/23

8 solves

CTF HISTORY

START DATECTFRANK

2025/03/01

17 / 233

2024/09/15

16 / 239

2024/08/18

58 / 174

WRITEUPS

WRITEUPCREATED AT
SECCON CTF 13 writeup stream - YouTube
ja
official
dual_summon

last year

last year

SOLVED CHALLENGES

CHALLENGESOLVES

SOLVED AT

Hat Trick
AlpacaHack Round 3 (Crypto)

64 solves

last year

AlpacaHack Round 3 (Crypto)

74 solves

last year

AlpacaHack Round 3 (Crypto)

122 solves

last year

AlpacaHack Round 3 (Crypto)

245 solves

last year

CakeCTF 2022

77 solves

last year

CakeCTF 2022

26 solves

last year