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AUTHORED CHALLENGES

OPEN DATECHALLENGESOLVES

2023/11/11

Cake Puzzle
Rev
16 solves

2023/11/11

3 solves

2023/11/11

5 solves

2023/11/11

22 solves

2023/11/11

13 solves

2022/09/03

9 solves

2022/09/03

18 solves

2022/09/03

2 solves

2022/09/03

54 solves

2022/03/19

2 solves

2022/03/19

5 solves

2022/03/19

4 solves

2022/03/19

2 solves

CTF HISTORY

START DATECTFRANK

2025/07/20

23 / 62

2025/07/06

7 / 78

2025/05/17

60 / 213

2025/01/26

20 / 138

2024/10/12

32 / 247

2024/09/15

10 / 239

WRITEUPS

WRITEUPCREATED AT
AlpacaHack Round 12 (Crypto) - writeup - ふるつき
ja
RSARSARSARSARSARSA

last month

11 months ago

11 months ago

11 months ago

11 months ago

SOLVED CHALLENGES

CHALLENGESOLVES

SOLVED AT

RSARSARSARSARSARSA
AlpacaHack Round 12 (Crypto)

52 solves

last month

AlpacaHack Round 12 (Crypto)

8 solves

last month

AlpacaHack Round 12 (Crypto)

27 solves

last month

AlpacaHack Round 11 (Web)

109 solves

3 months ago

AlpacaHack Round 3 (Crypto)

55 solves

11 months ago

AlpacaHack Round 3 (Crypto)

64 solves

11 months ago

AlpacaHack Round 3 (Crypto)

100 solves

11 months ago

AlpacaHack Round 3 (Crypto)

201 solves

11 months ago