@lydxn - AlpacaHack

lydxn

CTF HISTORY

START DATE	CTF	RANK
2025/07/20	AlpacaHack Round 13 (Crypto)	6 / 62
2025/07/06	AlpacaHack Round 12 (Crypto)	4 / 78
2025/01/26	AlpacaHack Round 9 (Crypto)	13 / 138
2024/09/15	AlpacaHack Round 3 (Crypto)	55 / 239

SOLVED CHALLENGES

CHALLENGE	SOLVES	SOLVED AT
optimal-sort Misc Daily AlpacaHack	94 solves	2 weeks ago
Linear Coffee Generator Crypto Daily AlpacaHack	105 solves	2 weeks ago
shellcode-101 Pwn Daily AlpacaHack	117 solves	2 weeks ago
No JS Web Daily AlpacaHack	116 solves	2 weeks ago
ToyPQC Crypto Daily AlpacaHack	100 solves	2 weeks ago
git gc Misc Daily AlpacaHack	139 solves	2 weeks ago
Stateless Auth Web Daily AlpacaHack	149 solves	2 weeks ago
Paca Paca Authenticator Crypto Daily AlpacaHack	116 solves	2 weeks ago
Bashrunner Misc Daily AlpacaHack	114 solves	2 weeks ago
Animal Viewer Web Daily AlpacaHack	135 solves	2 weeks ago
dockerstack Misc Daily AlpacaHack	163 solves	2 weeks ago
system-v Rev Daily AlpacaHack	112 solves	3 weeks ago
ChaChaCha Crypto Daily AlpacaHack	146 solves	4 weeks ago
dice roll Web Daily AlpacaHack	174 solves	4 weeks ago
Base Length Misc Daily AlpacaHack	140 solves	last month
Short Writer Pwn Daily AlpacaHack	112 solves	last month
Five Alpacas Crypto Daily AlpacaHack	165 solves	last month
cha-ll-enge Rev Daily AlpacaHack	138 solves	last month
simpleoverwrite Pwn Daily AlpacaHack	171 solves	last month
Useful Machine Rev Daily AlpacaHack	146 solves	last month
Xmas Login Web Daily AlpacaHack	287 solves	last month
cat3 Misc Daily AlpacaHack	198 solves	last month
Rotten Beef Pwn Daily AlpacaHack	179 solves	last month
Log Viewer Web Daily AlpacaHack	203 solves	last month
omikuji Web Daily AlpacaHack	215 solves	last month
RSA debug? Crypto Daily AlpacaHack	172 solves	last month
108 Misc Daily AlpacaHack	251 solves	last month
one-p-rsa Crypto Daily AlpacaHack	198 solves	last month
RBG Crypto Daily AlpacaHack	116 solves	last month
alloc-101 Pwn Daily AlpacaHack	196 solves	last month
Twilight Rev Daily AlpacaHack	204 solves	last month
login-bonus Pwn Daily AlpacaHack	221 solves	last month
🐈 Web Daily AlpacaHack	269 solves	last month
Flag Printer 2100 Rev Daily AlpacaHack	216 solves	last month
power_obfus_royalty Rev Daily AlpacaHack	187 solves	last month
Safe Prime Crypto Daily AlpacaHack	232 solves	last month
Sugoi Flag Checker Rev Daily AlpacaHack	186 solves	last month
Alpaca Bank Web Daily AlpacaHack	286 solves	last month
Read Assembly Rev Daily AlpacaHack	276 solves	last month
hit-and-miss Misc Daily AlpacaHack	314 solves	last month
Fully Padded RSA Crypto Daily AlpacaHack	215 solves	last month
size limit Crypto Daily AlpacaHack	276 solves	last month
simpleoverflow Pwn Daily AlpacaHack	425 solves	last month
Integer Writer Pwn Daily AlpacaHack	283 solves	last month
Leaked Flag Checker Rev Daily AlpacaHack	479 solves	last month
Emojify Web Daily AlpacaHack	499 solves	last month
a fact of CTF Crypto Daily AlpacaHack	734 solves	last month
AlpacaHack 2100 Misc Daily AlpacaHack	1240 solves	last month
I wanna be the Admin Web Daily AlpacaHack	226 solves	last month
Basic Buffer Overflow Pwn Daily AlpacaHack	158 solves	last month
crazython Rev Daily AlpacaHack	165 solves	last month
RSA2026 Crypto Daily AlpacaHack	186 solves	last month
SwapSwap Misc Daily AlpacaHack	240 solves	last month
secret-table Web Daily AlpacaHack	228 solves	last month
Square RSA Crypto Daily AlpacaHack	206 solves	last month
jailiaj Misc Daily AlpacaHack	239 solves	last month
Encoding Basics Misc Crypto Daily AlpacaHack	269 solves	last month
Fushigi Crawler Web Daily AlpacaHack	279 solves	last month
Ruby Flag Checker Rev Daily AlpacaHack	248 solves	last month
super-tomato Crypto Daily AlpacaHack	324 solves	last month
free-comment Misc Daily AlpacaHack	142 solves	last month
MissingNo.2 Crypto AlpacaHack Round 13 (Crypto)	6 solves	7 months ago
MissingNo.1 Crypto AlpacaHack Round 13 (Crypto)	9 solves	7 months ago
Jerry's flag checker Crypto AlpacaHack Round 13 (Crypto)	30 solves	7 months ago
OTEC Crypto AlpacaHack Round 12 (Crypto)	39 solves	7 months ago
Flag Sharing Crypto AlpacaHack Round 12 (Crypto)	9 solves	7 months ago
RSARSARSARSARSARSA Crypto AlpacaHack Round 12 (Crypto)	79 solves	7 months ago
RSAMPC Crypto AlpacaHack Round 9 (Crypto)	35 solves	7 months ago
Hat Trick Crypto AlpacaHack Round 3 (Crypto)	64 solves	12 months ago
A Dance of Add and Mul Crypto AlpacaHack Round 3 (Crypto)	74 solves	12 months ago
Rainbow Sweet Alchemist Crypto AlpacaHack Round 3 (Crypto)	122 solves	12 months ago
addprimes Crypto AlpacaHack Round 9 (Crypto)	26 solves	last year
hidden Rev AlpacaHack Round 8 (Rev)	71 solves	last year
masking tape Rev AlpacaHack Round 8 (Rev)	171 solves	last year
Welcome Misc	1426 solves	last year
NNNN Crypto AlpacaHack Round 5 (Crypto)	47 solves	last year
XorshiftStream Crypto AlpacaHack Round 5 (Crypto)	62 solves	last year
qrime Crypto AlpacaHack Round 3 (Crypto)	246 solves	last year

Only archived challenges are displayed here.