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Rows:

CHALLENGE	AUTHORS	SOLVES (CURRENT)	SOLVE RATE (AT CONTEST TIME)
AlpacaHack 2100 Daily AlpacaHack	admin	1757 solves	-
Welcome	admin	1574 solves	-
a fact of CTF Daily AlpacaHack	xornet	933 solves	-
Simple Login AlpacaHack Round 2 (Web)	ark	627 solves	Top 28% = 84/300 users
Emojify Daily AlpacaHack	ark	622 solves	-
Leaked Flag Checker Daily AlpacaHack	minaminao	604 solves	-
simpleoverflow SECCON Beginners CTF 2024	n01e0	541 solves	Top 73% = 683/928 teams
hit-and-miss Daily AlpacaHack	ark	409 solves	-
super-tomato Daily AlpacaHack	kanon	406 solves	-
Xmas Login Daily AlpacaHack	hiikunz	373 solves	-
Fushigi Crawler Daily AlpacaHack	minaminao	367 solves	-
echo AlpacaHack Round 1 (Pwn)	ptr-yudai	363 solves	Top 32% = 56/174 users
Alpaca Bank Daily AlpacaHack	hiikunz	349 solves	-
Integer Writer Daily AlpacaHack	mora	342 solves	-
size limit Daily AlpacaHack	jp3bgy	336 solves	-
Read Assembly Daily AlpacaHack	xrekkusu	331 solves	-
Encoding Basics Daily AlpacaHack	kurenaif	330 solves	-
🐈 Daily AlpacaHack	ark	323 solves	-
Bars Daily AlpacaHack	kakur41	318 solves	-
108 Daily AlpacaHack	admin	306 solves	-

Rows:

ToyPQC

Daily AlpacaHackTopic: Matrix, SageMathReleased: Jan 27, 2026

112 solves

Hard

by

chocorusk

Tags

USER	SOLVED AT
baloon	4 days ago
sp1n0z4	last week
claustra01	last week
erasedtree169	2 weeks ago
nozokare	4 weeks ago
chocorusk	last month
kanon	last month
kurenaif	last month
kapumoka	last month
popopo	last month
mavil27	2 months ago
ryuun1corn	2 months ago
labpump	2 months ago
ost	2 months ago
stepbystepbymyself	3 months ago
muematsu	3 months ago
atl-furu	3 months ago
hogenyaan	3 months ago
rin	3 months ago
lydxn	3 months ago
glzjin	3 months ago
glzjin	3 months ago
mauriii	3 months ago
f56ko	3 months ago
asusn	3 months ago

Rows:

description solves writeups