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CTF HISTORY

START DATECTFRANK

2025/07/06

AlpacaHack Round 12 (Crypto)
39 / 78

2024/11/03

AlpacaHack Round 6 (Pwn)
58 / 197

2024/10/12

AlpacaHack Round 5 (Crypto)
32 / 247

SOLVED CHALLENGES

CHALLENGESOLVES

SOLVED AT

Five Alpacas
Crypto
Daily AlpacaHack

199 solves

2 weeks ago

crazython
Rev
Daily AlpacaHack

189 solves

2 weeks ago

RSA2026
Crypto
Daily AlpacaHack

210 solves

2 weeks ago

SwapSwap
Misc
Daily AlpacaHack

290 solves

2 weeks ago

Square RSA
Crypto
Daily AlpacaHack

236 solves

2 weeks ago

Encoding Basics
MiscCrypto
Daily AlpacaHack

324 solves

2 weeks ago

Ruby Flag Checker
Rev
Daily AlpacaHack

292 solves

2 weeks ago

super-tomato
Crypto
Daily AlpacaHack

395 solves

2 weeks ago

canary leak
Pwn
Daily AlpacaHack

106 solves

4 weeks ago

Single Hint RSA
Crypto
tkbctf5

120 solves

last month

README.pdf
Rev
tkbctf5

150 solves

last month

Bars
Web
Daily AlpacaHack

303 solves

last month

Substance
Crypto
Daily AlpacaHack

244 solves

2 months ago

Rotten Beef
Pwn
Daily AlpacaHack

205 solves

2 months ago

cha-ll-enge
Rev
SECCON Beginners CTF 2024

159 solves

2 months ago

Flag Printer 2100
Rev
Daily AlpacaHack

249 solves

2 months ago

power_obfus_royalty
Rev
Daily AlpacaHack

210 solves

2 months ago

Sugoi Flag Checker
Rev
Daily AlpacaHack

207 solves

2 months ago

Integer Writer
Pwn
Daily AlpacaHack

329 solves

2 months ago

Emojify
Web
Daily AlpacaHack

597 solves

2 months ago

Bashrunner
Misc
Daily AlpacaHack

122 solves

2 months ago

108
Misc
Daily AlpacaHack

297 solves

3 months ago

RBG
Crypto
Daily AlpacaHack

124 solves

3 months ago

one-p-rsa
Crypto
Daily AlpacaHack

235 solves

3 months ago

simpleoverwrite
Pwn
SECCON Beginners CTF 2024

198 solves

3 months ago

cat3
Misc
Daily AlpacaHack

222 solves

3 months ago

RSA debug?
Crypto
Daily AlpacaHack

194 solves

3 months ago

alloc-101
Pwn
Daily AlpacaHack

218 solves

4 months ago

Twilight
Rev
Daily AlpacaHack

231 solves

4 months ago

login-bonus
Pwn
Daily AlpacaHack

256 solves

4 months ago

Leaked Flag Checker
Rev
Daily AlpacaHack

573 solves

4 months ago

Safe Prime
Crypto
SECCON Beginners CTF 2024

256 solves

4 months ago

simpleoverflow
Pwn
SECCON Beginners CTF 2024

511 solves

4 months ago

Read Assembly
Rev
Daily AlpacaHack

316 solves

4 months ago

size limit
Crypto
Daily AlpacaHack

323 solves

4 months ago

hit-and-miss
Misc
Daily AlpacaHack

388 solves

4 months ago

Fully Padded RSA
Crypto
Daily AlpacaHack

239 solves

4 months ago

AlpacaHack 2100
Misc
Daily AlpacaHack

1664 solves

4 months ago

a fact of CTF
Crypto
Daily AlpacaHack

891 solves

4 months ago

RSARSARSARSARSARSA
Crypto
AlpacaHack Round 12 (Crypto)

79 solves

9 months ago