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@krako

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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

ChaChaCha
Crypto
Daily AlpacaHack

152 solves

last week

Five Alpacas
Crypto
Daily AlpacaHack

182 solves

last week

I wanna be the Admin
Web
Daily AlpacaHack

254 solves

last month

RSA2026
Crypto
Daily AlpacaHack

196 solves

last month

SwapSwap
Misc
Daily AlpacaHack

258 solves

last month

Square RSA
Crypto
Daily AlpacaHack

218 solves

2 months ago

Encoding Basics
MiscCrypto
Daily AlpacaHack

287 solves

2 months ago

Fushigi Crawler
Web
Daily AlpacaHack

307 solves

2 months ago

Ruby Flag Checker
Rev
Daily AlpacaHack

266 solves

2 months ago

super-tomato
Crypto
Daily AlpacaHack

348 solves

2 months ago

Twilight
Rev
Daily AlpacaHack

215 solves

2 months ago

power_obfus_royalty
Rev
Daily AlpacaHack

194 solves

2 months ago

108
Misc
Daily AlpacaHack

269 solves

2 months ago

one-p-rsa
Crypto
Daily AlpacaHack

211 solves

2 months ago

RSA debug?
Crypto
Daily AlpacaHack

180 solves

2 months ago

Fully Padded RSA
Crypto
Daily AlpacaHack

223 solves

2 months ago

Leaked Flag Checker
Rev
Daily AlpacaHack

509 solves

2 months ago

AlpacaHack 2100
Misc
Daily AlpacaHack

1357 solves

2 months ago

Safe Prime
Crypto
Daily AlpacaHack

240 solves

2 months ago

hit-and-miss
Misc
Daily AlpacaHack

352 solves

2 months ago

a fact of CTF
Crypto
Daily AlpacaHack

774 solves

3 months ago