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yu212

@Yu_212_MC

AUTHORED CHALLENGES

OPEN DATECHALLENGESOLVES

2026/03/14

BINARY IN THE FUTURE.
Rev
69 solves

2026/03/14

5 solves

2026/03/14

56 solves

2026/03/14

30 solves

2026/03/14

1 solve

2026/03/14

62 solves

2026/03/14

1 solve

2026/03/14

1 solve

2026/03/14

27 solves

2026/03/14

8 solves

2026/03/14

6 solves

2026/03/14

120 solves

2026/03/14

2 solves

2026/03/14

29 solves

2026/03/14

28 solves

2026/01/29

115 solves

2026/01/23

127 solves

2025/12/16

2 solves

2025/12/16

1 solve

2025/12/16

2 solves

2025/12/07

237 solves

2025/07/06

79 solves

2025/07/06

10 solves

2025/07/06

39 solves

2025/07/06

4 solves

CTF HISTORY

START DATECTFRANK

2025/07/20

8 / 62

2025/05/17

13 / 213

2025/03/23

43 / 95

2025/03/01

101 / 233

2025/01/26

20 / 138

2024/12/30

5 / 316

2024/11/30

79 / 458

2024/11/03

46 / 197

2024/10/12

8 / 247

2024/09/15

6 / 239

2024/09/01

18 / 300

2024/08/18

33 / 174

WRITEUPS

WRITEUPCREATED AT
Author Writeup for tkbctf5
ja
official
BINARY IN THE FUTURE.

3 weeks ago

2 months ago

2 months ago

2 months ago

4 months ago

9 months ago

last year

last year

SOLVED CHALLENGES

CHALLENGESOLVES

SOLVED AT

EncodeDecode
Daily AlpacaHack

85 solves

yesterday

Daily AlpacaHack

100 solves

2 days ago

Daily AlpacaHack

84 solves

2 days ago

Daily AlpacaHack

100 solves

2 days ago

Daily AlpacaHack

115 solves

2 days ago

Daily AlpacaHack

105 solves

2 days ago

Daily AlpacaHack

110 solves

2 weeks ago

Daily AlpacaHack B-SIDE

33 solves

2 weeks ago

Daily AlpacaHack B-SIDE

29 solves

2 weeks ago

Daily AlpacaHack B-SIDE

37 solves

2 weeks ago

Daily AlpacaHack B-SIDE

44 solves

2 weeks ago

Daily AlpacaHack B-SIDE

37 solves

2 weeks ago

Daily AlpacaHack B-SIDE

53 solves

2 weeks ago

Daily AlpacaHack

86 solves

2 weeks ago

Daily AlpacaHack

96 solves

2 weeks ago

Daily AlpacaHack

78 solves

2 weeks ago

Daily AlpacaHack

106 solves

2 weeks ago

Daily AlpacaHack

149 solves

2 weeks ago

Daily AlpacaHack

98 solves

2 weeks ago

Daily AlpacaHack

135 solves

2 weeks ago

Daily AlpacaHack

92 solves

2 weeks ago

Daily AlpacaHack

123 solves

2 weeks ago

Daily AlpacaHack

110 solves

4 weeks ago

Daily AlpacaHack

167 solves

4 weeks ago

Daily AlpacaHack

121 solves

last month

Daily AlpacaHack

150 solves

last month

Daily AlpacaHack

116 solves

last month

Daily AlpacaHack

115 solves

last month

SECCON CTF 13 Quals

29 solves

last month

Daily AlpacaHack

103 solves

last month

Daily AlpacaHack

87 solves

last month

Daily AlpacaHack

124 solves

last month

Daily AlpacaHack

166 solves

last month

Daily AlpacaHack B-SIDE

47 solves

last month

Daily AlpacaHack

204 solves

last month

Daily AlpacaHack

195 solves

last month

Daily AlpacaHack

298 solves

last month

Daily AlpacaHack

82 solves

last month

Daily AlpacaHack

96 solves

last month

Daily AlpacaHack

74 solves

last month

Daily AlpacaHack B-SIDE

46 solves

last month

Daily AlpacaHack

148 solves

last month

Daily AlpacaHack

86 solves

last month

Daily AlpacaHack

115 solves

last month

Daily AlpacaHack

105 solves

last month

Daily AlpacaHack B-SIDE

45 solves

last month

Daily AlpacaHack

92 solves

last month

Daily AlpacaHack

109 solves

last month

Daily AlpacaHack

117 solves

last month

Daily AlpacaHack

115 solves

last month

Daily AlpacaHack B-SIDE

45 solves

last month

Daily AlpacaHack

93 solves

last month

Daily AlpacaHack

117 solves

last month

Daily AlpacaHack B-SIDE

44 solves

last month

Daily AlpacaHack

113 solves

last month

Daily AlpacaHack

114 solves

last month

Daily AlpacaHack

133 solves

last month

Daily AlpacaHack

121 solves

last month

Daily AlpacaHack B-SIDE

39 solves

2 months ago

Daily AlpacaHack

143 solves

2 months ago

Daily AlpacaHack

125 solves

2 months ago

Daily AlpacaHack

225 solves

2 months ago

Daily AlpacaHack

110 solves

2 months ago

Daily AlpacaHack

161 solves

2 months ago

Daily AlpacaHack

191 solves

2 months ago

Daily AlpacaHack B-SIDE

70 solves

2 months ago

Daily AlpacaHack

177 solves

2 months ago

Daily AlpacaHack

271 solves

2 months ago

Daily AlpacaHack

225 solves

2 months ago

Daily AlpacaHack

240 solves

2 months ago

Daily AlpacaHack B-SIDE

95 solves

2 months ago

Daily AlpacaHack

104 solves

2 months ago

Daily AlpacaHack

115 solves

2 months ago

Daily AlpacaHack

138 solves

2 months ago

Daily AlpacaHack

132 solves

2 months ago

Daily AlpacaHack

108 solves

2 months ago

Daily AlpacaHack

154 solves

2 months ago

Daily AlpacaHack

168 solves

2 months ago

Daily AlpacaHack

127 solves

2 months ago

Daily AlpacaHack

120 solves

2 months ago

Daily AlpacaHack

154 solves

2 months ago

Daily AlpacaHack

180 solves

2 months ago

Daily AlpacaHack

118 solves

2 months ago

Daily AlpacaHack

157 solves

2 months ago

Daily AlpacaHack

201 solves

2 months ago

Daily AlpacaHack

157 solves

2 months ago

Daily AlpacaHack

124 solves

2 months ago

Daily AlpacaHack

196 solves

2 months ago

Daily AlpacaHack

152 solves

2 months ago

Daily AlpacaHack

283 solves

2 months ago

Daily AlpacaHack

186 solves

3 months ago

Daily AlpacaHack

188 solves

3 months ago

Daily AlpacaHack

209 solves

3 months ago

Daily AlpacaHack

286 solves

3 months ago

Daily AlpacaHack

270 solves

3 months ago

Daily AlpacaHack

235 solves

3 months ago

Daily AlpacaHack

281 solves

3 months ago

Daily AlpacaHack

317 solves

3 months ago

Daily AlpacaHack

343 solves

3 months ago

Daily AlpacaHack

289 solves

3 months ago

Daily AlpacaHack

388 solves

3 months ago

Daily AlpacaHack

296 solves

3 months ago

Daily AlpacaHack

123 solves

3 months ago

Daily AlpacaHack

231 solves

3 months ago

SECCON Beginners CTF 2024

158 solves

3 months ago

SECCON Beginners CTF 2024

197 solves

3 months ago

Daily AlpacaHack

158 solves

3 months ago

Daily AlpacaHack

353 solves

3 months ago

Daily AlpacaHack

221 solves

3 months ago

Daily AlpacaHack

204 solves

3 months ago

Daily AlpacaHack

225 solves

3 months ago

Daily AlpacaHack

192 solves

3 months ago

Daily AlpacaHack

249 solves

3 months ago

Daily AlpacaHack

218 solves

3 months ago

Daily AlpacaHack

230 solves

3 months ago

Daily AlpacaHack

255 solves

3 months ago

Daily AlpacaHack

309 solves

3 months ago

Daily AlpacaHack

246 solves

3 months ago

Daily AlpacaHack

209 solves

3 months ago

SECCON Beginners CTF 2024

253 solves

3 months ago

Daily AlpacaHack

204 solves

4 months ago

Daily AlpacaHack

331 solves

4 months ago

Daily AlpacaHack

312 solves

4 months ago

Daily AlpacaHack

387 solves

4 months ago

Daily AlpacaHack

237 solves

4 months ago

Daily AlpacaHack

317 solves

4 months ago

SECCON Beginners CTF 2024

505 solves

4 months ago

Daily AlpacaHack

325 solves

4 months ago

Daily AlpacaHack

567 solves

4 months ago

Daily AlpacaHack

593 solves

4 months ago

Daily AlpacaHack

883 solves

4 months ago

Daily AlpacaHack

1632 solves

4 months ago

AlpacaHack Round 13 (Crypto)

5 solves

8 months ago

AlpacaHack Round 13 (Crypto)

15 solves

8 months ago

AlpacaHack Round 13 (Crypto)

33 solves

8 months ago

AlpacaHack Round 11 (Web)

30 solves

11 months ago

AlpacaHack Round 11 (Web)

163 solves

11 months ago

AlpacaHack Round 10 (Pwn)

66 solves

last year

AlpacaHack Round 9 (Crypto)

8 solves

last year

AlpacaHack Round 9 (Crypto)

9 solves

last year

AlpacaHack Round 9 (Crypto)

35 solves

last year

AlpacaHack Round 9 (Crypto)

27 solves

last year

AlpacaHack Round 8 (Rev)

16 solves

last year

AlpacaHack Round 8 (Rev)

29 solves

last year

AlpacaHack Round 8 (Rev)

71 solves

last year

AlpacaHack Round 8 (Rev)

173 solves

last year

AlpacaHack Round 7 (Web)

129 solves

last year

AlpacaHack Round 7 (Web)

271 solves

last year

AlpacaHack Round 6 (Pwn)

146 solves

last year

AlpacaHack Round 6 (Pwn)

207 solves

last year

zer0pts CTF 2022

48 solves

last year

zer0pts CTF 2022

24 solves

last year

zer0pts CTF 2022

30 solves

last year

AlpacaHack Round 5 (Crypto)

50 solves

last year

AlpacaHack Round 5 (Crypto)

23 solves

last year

AlpacaHack Round 5 (Crypto)

65 solves

last year

AlpacaHack Round 4 (Rev)

26 solves

last year

AlpacaHack Round 4 (Rev)

26 solves

last year

AlpacaHack Round 4 (Rev)

127 solves

last year

AlpacaHack Round 3 (Crypto)

74 solves

last year

AlpacaHack Round 3 (Crypto)

66 solves

last year

AlpacaHack Round 3 (Crypto)

124 solves

last year

AlpacaHack Round 3 (Crypto)

253 solves

last year

CakeCTF 2023

10 solves

last year

CakeCTF 2023

16 solves

last year

CakeCTF 2022

25 solves

last year

CakeCTF 2022

34 solves

last year

CakeCTF 2022

81 solves

last year

AlpacaHack Round 2 (Web)

93 solves

last year

AlpacaHack Round 2 (Web)

81 solves

last year

AlpacaHack Round 2 (Web)

611 solves

last year

AlpacaHack Round 1 (Pwn)

114 solves

last year

AlpacaHack Round 1 (Pwn)

357 solves

last year

CakeCTF 2023

20 solves

last year

zer0pts CTF 2023

15 solves

last year

RTACTF 2023 Spring

41 solves

last year

RTACTF 2023 Spring

17 solves

last year

RTACTF 2023 Spring

37 solves

last year

RTACTF 2023 Spring

85 solves

last year

RTACTF 2023 Spring

162 solves

last year

RTACTF 2023 Spring

33 solves

last year

RTACTF 2023 Spring

77 solves

last year

1544 solves

last year

zer0pts CTF 2023

15 solves

last year

zer0pts CTF 2023

29 solves

last year

CakeCTF 2023

51 solves

last year

zer0pts CTF 2023

48 solves

last year

CakeCTF 2023

61 solves

last year

CakeCTF 2022

79 solves

last year

CakeCTF 2023

38 solves

last year

CakeCTF 2022

71 solves

last year

CakeCTF 2023

28 solves

last year

CakeCTF 2023

224 solves

last year