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krako

CTF HISTORY

START DATECTFRANK

2025/07/20

AlpacaHack Round 13 (Crypto)
23 / 62

2024/10/12

AlpacaHack Round 5 (Crypto)
32 / 247

SOLVED CHALLENGES

CHALLENGESOLVES

SOLVED AT

I wanna be the Admin
Web
Daily AlpacaHack

224 solves

last month

RSA2026
Crypto
Daily AlpacaHack

186 solves

last month

SwapSwap
Misc
Daily AlpacaHack

238 solves

last month

Square RSA
Crypto
Daily AlpacaHack

205 solves

last month

Encoding Basics
MiscCrypto
Daily AlpacaHack

267 solves

last month

Fushigi Crawler
Web
Daily AlpacaHack

278 solves

last month

Ruby Flag Checker
Rev
Daily AlpacaHack

248 solves

last month

super-tomato
Crypto
Daily AlpacaHack

322 solves

last month

Twilight
Rev
Daily AlpacaHack

204 solves

last month

power_obfus_royalty
Rev
Daily AlpacaHack

186 solves

last month

108
Misc
Daily AlpacaHack

251 solves

last month

one-p-rsa
Crypto
Daily AlpacaHack

198 solves

last month

RSA debug?
Crypto
Daily AlpacaHack

172 solves

last month

Fully Padded RSA
Crypto
Daily AlpacaHack

215 solves

2 months ago

Leaked Flag Checker
Rev
Daily AlpacaHack

477 solves

2 months ago

AlpacaHack 2100
Misc
Daily AlpacaHack

1237 solves

2 months ago

Safe Prime
Crypto
Daily AlpacaHack

232 solves

2 months ago

hit-and-miss
Misc
Daily AlpacaHack

314 solves

2 months ago

a fact of CTF
Crypto
Daily AlpacaHack

732 solves

2 months ago