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@tchen

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tchen

@tepelchen501

AUTHORED CHALLENGES

OPEN DATECHALLENGESOLVES

2026/01/12

I wanna be the Admin
Web
157 solves

2025/12/25

137 solves

2025/12/21

183 solves

CTF HISTORY

START DATECTFRANK

2025/05/17

4 / 213

2025/03/23

19 / 95

2025/03/01

11 / 233

2024/12/30

15 / 316

2024/11/30

33 / 458

2024/11/03

45 / 197

2024/10/12

28 / 247

2024/09/15

92 / 239

2024/08/18

58 / 174

WRITEUPS

WRITEUPCREATED AT
Author's Writeup for Log Viewer
en
official
Log Viewer

3 weeks ago

last year

last year

SOLVED CHALLENGES

CHALLENGESOLVES

SOLVED AT

RSA2026
Daily AlpacaHack

164 solves

5 days ago

Daily AlpacaHack

177 solves

last week

Daily AlpacaHack

248 solves

last week

AlpacaHack Round 11 (Web)

12 solves

8 months ago

AlpacaHack Round 11 (Web)

149 solves

8 months ago

AlpacaHack Round 10 (Pwn)

63 solves

9 months ago

AlpacaHack Round 10 (Pwn)

119 solves

9 months ago

AlpacaHack Round 8 (Rev)

70 solves

last year

AlpacaHack Round 8 (Rev)

168 solves

last year

AlpacaHack Round 1 (Pwn)

328 solves

last year

AlpacaHack Round 7 (Web)

124 solves

last year

AlpacaHack Round 7 (Web)

257 solves

last year

AlpacaHack Round 6 (Pwn)

197 solves

last year

zer0pts CTF 2022

42 solves

last year

AlpacaHack Round 5 (Crypto)

60 solves

last year

AlpacaHack Round 4 (Rev)

122 solves

last year

AlpacaHack Round 4 (Rev)

24 solves

last year

CakeCTF 2022

2 solves

last year

AlpacaHack Round 2 (Web)

8 solves

last year

AlpacaHack Round 2 (Web)

75 solves

last year

AlpacaHack Round 2 (Web)

543 solves

last year

AlpacaHack Round 2 (Web)

90 solves

last year

RTACTF 2023 Spring

39 solves

last year

RTACTF 2023 Spring

83 solves

last year

RTACTF 2023 Spring

30 solves

last year

RTACTF 2023 Spring

74 solves

last year

RTACTF 2023 Spring

153 solves

last year

1347 solves

last year

zer0pts CTF 2023

9 solves

last year

CakeCTF 2023

6 solves

last year

CakeCTF 2022

13 solves

last year

CakeCTF 2022

19 solves

last year

zer0pts CTF 2023

12 solves

last year

zer0pts CTF 2023

24 solves

last year

CakeCTF 2023

10 solves

last year

CakeCTF 2022

76 solves

last year

CakeCTF 2023

48 solves

last year

CakeCTF 2023

214 solves

last year