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CTF HISTORY

START DATECTFRANK

2025/05/17

AlpacaHack Round 11 (Web)
39 / 213

2025/03/23

AlpacaHack Round 10 (Pwn)
33 / 95

2025/03/01

SECCON CTF 13 決勝観戦CTF
6 / 233

2025/01/26

AlpacaHack Round 9 (Crypto)
20 / 138

2024/12/30

AlpacaHack Round 8 (Rev)
19 / 316

2024/11/30

AlpacaHack Round 7 (Web)
18 / 458

2024/11/03

AlpacaHack Round 6 (Pwn)
39 / 197

2024/10/12

AlpacaHack Round 5 (Crypto)
27 / 247

2024/10/05

AlpacaHack Round 4 (Rev)
19 / 279

2024/09/15

AlpacaHack Round 3 (Crypto)
42 / 239

2024/09/01

AlpacaHack Round 2 (Web)
35 / 300

SOLVED CHALLENGES

CHALLENGESOLVES

SOLVED AT

pacapaca sc
Pwn
Daily AlpacaHack

67 solves

yesterday

AES is dead
Crypto
Daily AlpacaHack

81 solves

yesterday

Panic
Web
Daily AlpacaHack

119 solves

3 days ago

1️⃣
Misc
Daily AlpacaHack

149 solves

4 days ago

No Content
Web
Daily AlpacaHack

147 solves

5 days ago

login-bonus-2
Pwn
Daily AlpacaHack

83 solves

6 days ago

The Horn
Crypto
Daily AlpacaHack

97 solves

last week

Impossible Puzzle
Web
Daily AlpacaHack

178 solves

last week

You are my friend
Crypto
Daily AlpacaHack

154 solves

last week

Message For You
Web
Daily AlpacaHack

187 solves

last week

silence
Misc
Daily AlpacaHack

99 solves

last week

Tar Uploader
Web
Daily AlpacaHack

100 solves

last week

Dot Chain
Misc
Daily AlpacaHack

84 solves

2 weeks ago

EncodeDecode
Misc
Daily AlpacaHack

85 solves

2 weeks ago

encrypted-p
Crypto
Daily AlpacaHack

100 solves

2 weeks ago

Optimized expression
Rev
Daily AlpacaHack

115 solves

2 weeks ago

crypto_666
Crypto
Daily AlpacaHack

105 solves

2 weeks ago

What's Next
Web
Daily AlpacaHack

110 solves

2 weeks ago

Plz Login
Web
Daily AlpacaHack

225 solves

2 weeks ago

bloom
Crypto
Daily AlpacaHack

86 solves

2 weeks ago

vuln4vuln
Pwn
Daily AlpacaHack

96 solves

3 weeks ago

Alpacker
Rev
Daily AlpacaHack

78 solves

3 weeks ago

The World
Misc
Daily AlpacaHack

191 solves

3 weeks ago

RRe_Time_Limiter
Crypto
Daily AlpacaHack

177 solves

3 weeks ago

Magic Engine
Web
Daily AlpacaHack

271 solves

3 weeks ago

read-a-binary
Rev
Daily AlpacaHack

225 solves

3 weeks ago

Substance
Crypto
Daily AlpacaHack

240 solves

3 weeks ago

high and low
Crypto
Daily AlpacaHack

87 solves

3 weeks ago

guess.js
Misc
Daily AlpacaHack

103 solves

3 weeks ago

canary leak
Pwn
Daily AlpacaHack

106 solves

3 weeks ago

kappa overflow
Pwn
Daily AlpacaHack

121 solves

3 weeks ago

Flags for the FLAG
Misc
Daily AlpacaHack

149 solves

3 weeks ago

Find XOR key
Crypto
Daily AlpacaHack

150 solves

3 weeks ago

glibc's secret function
Rev
Daily AlpacaHack

195 solves

3 weeks ago

Flag Printer 2026
Misc
Daily AlpacaHack

204 solves

3 weeks ago

PPPPParse
Misc
Daily AlpacaHack

98 solves

3 weeks ago

magic number
Misc
Daily AlpacaHack

124 solves

3 weeks ago

FLAG OVER
Misc
Daily AlpacaHack

115 solves

3 weeks ago

Free Coupon
Web
Daily AlpacaHack

135 solves

3 weeks ago

The future path
Crypto
Daily AlpacaHack

92 solves

3 weeks ago

💯
Misc
Daily AlpacaHack

116 solves

4 weeks ago

flag.txt
Misc
Daily AlpacaHack

110 solves

4 weeks ago

Bars
Web
Daily AlpacaHack

298 solves

4 weeks ago

Alert my Flag
Web
Daily AlpacaHack

166 solves

4 weeks ago

Heuristic IPPON
Misc
Daily AlpacaHack

167 solves

4 weeks ago

Another Login Challenge
Web
Daily AlpacaHack

123 solves

4 weeks ago

Jackpot
Web
AlpacaHack Round 11 (Web)

163 solves

11 months ago

Kangaroo
Pwn
AlpacaHack Round 10 (Pwn)

66 solves

last year

Oyster
Pwn
AlpacaHack Round 10 (Pwn)

129 solves

last year

RSAMPC
Crypto
AlpacaHack Round 9 (Crypto)

35 solves

last year

hidden
Rev
AlpacaHack Round 8 (Rev)

71 solves

last year

masking tape
Rev
AlpacaHack Round 8 (Rev)

173 solves

last year

nande
Rev
CakeCTF 2023

16 solves

last year

Alpaca Poll
Web
AlpacaHack Round 7 (Web)

129 solves

last year

Treasure Hunt
Web
AlpacaHack Round 7 (Web)

271 solves

last year

aush
Pwn
zer0pts CTF 2023

22 solves

last year

Anti-Fermat
Crypto
zer0pts CTF 2022

30 solves

last year

GitFile Explorer
Web
zer0pts CTF 2022

48 solves

last year

CakeGEAR
Web
CakeCTF 2022

81 solves

last year

wall
Pwn
AlpacaHack Round 6 (Pwn)

59 solves

last year

catcpy
Pwn
AlpacaHack Round 6 (Pwn)

146 solves

last year

inbound
Pwn
AlpacaHack Round 6 (Pwn)

207 solves

last year

read-write
Pwn
RTACTF 2023 Spring

41 solves

last year

vtable4b
Pwn
CakeCTF 2023

61 solves

last year

bofww
Pwn
CakeCTF 2023

38 solves

last year

write
Pwn
RTACTF 2023 Spring

85 solves

last year

hexecho
Pwn
AlpacaHack Round 1 (Pwn)

114 solves

last year

before-write
Pwn
RTACTF 2023 Spring

162 solves

last year

XorshiftStream
Crypto
AlpacaHack Round 5 (Crypto)

65 solves

last year

brand new crypto
Crypto
CakeCTF 2022

25 solves

last year

simple signature
Crypto
CakeCTF 2023

28 solves

last year

Simple Flag Checker
Rev
AlpacaHack Round 4 (Rev)

127 solves

last year

luau
Rev
CakeCTF 2022

34 solves

last year

Cake Puzzle
Rev
CakeCTF 2023

20 solves

last year

decompile me
Rev
zer0pts CTF 2023

48 solves

last year

nimrev
Rev
CakeCTF 2022

79 solves

last year

Rainbow Sweet Alchemist
Crypto
AlpacaHack Round 3 (Crypto)

124 solves

last year

qrime
Crypto
AlpacaHack Round 3 (Crypto)

253 solves

last year

Reused-AES
Crypto
RTACTF 2023 Spring

33 solves

last year

Collision-DES
Crypto
RTACTF 2023 Spring

37 solves

last year

frozen cake
Crypto
CakeCTF 2022

71 solves

last year

XOR-CBC
Crypto
RTACTF 2023 Spring

77 solves

last year

CaaS
Web
AlpacaHack Round 2 (Web)

93 solves

last year

Welcome
Misc

1544 solves

last year

Pico Note 1
Web
AlpacaHack Round 2 (Web)

81 solves

last year

Simple Login
Web
AlpacaHack Round 2 (Web)

611 solves

last year

echo
Pwn
AlpacaHack Round 1 (Pwn)

357 solves

last year

TOWFL
WebCheat
CakeCTF 2023

51 solves

last year

Country DB
Web
CakeCTF 2023

224 solves

last year