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CTFs

Not included in tables: RTN Community Challenges, CryptoHack, etc. Writeups for ongoing competitions, if any, are available only through that competition’s system and not publicly.

Non-CTF writeups (for vulnerabilities found “in the wild”) are found on this other page.

2025

Event Team Size and Name Position Score Start Length
PolyPwn 4, “Snack Overflow” 4/52 4267/7532 2025-03-29 10:00 10 hours
CS Games 2, JDIS as “Azulus” 2/22 64/76 2025-03-16 09:00 3 hours
@HACK 4, “Snack Overflow” 16/32 3600/9950 2025-03-01 13:00 25 hours
UofTCTF 5, “PlaceholderName” 49/897 2250/12792 2025-01-10 19:00 48 hours

PolyPwn 2025:

CS Games 2025:

@HACK 2025:

UofTCTF 2025:

2024

Event Team Size and Name Position Score Start Length
CyberSci 5, JDIS as “Québec Mon PayUS” 6/80 (2/15) 4963/12581 (/9779) 2024-11-23 12:00 4 hours
Hack The Vote 2, Bit Loopy 25/757 1008/4153 2024-11-01 19:00 48 hours
HeroCTF 2, Bit Loopy 30/670 3415/9681 2024-10-25 15:00 50 hours
DEADFACE CTF 3, Bit Loopy 29/1215 5948/12398 2024-10-18 10:00 34 hours
Hackfest CTF 6, JDIS as ''.join(map(chr, [0x6A, 0x64, 0x69, 0x73])) 7/35 (Classic) 3185/6735 2024-10-10 21:45 24 hours
ULCTF 1, N/A 18/73 ? 2024-05-03 19:00 29 hours
24@CTF 1, N/A 8/204 5626/8770 2024-04-06 12:00 24 hours
CursedCTF 4, “can we make retri0d [sic] cry 80/11058 2825/19062 2024-03-29 20:00 72-ish hours

CyberSci 2024:

Hack The Vote 2024:

HeroCTF 2024:

DEADFACE CTF 2024:

Hackfest CTF 2024:


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