$ ctf42

R3CTF 2026

weight 35.95 CTFtime official repo

R3CTF 2026 will mark the final Jeopardy-style edition in the R3CTF series.

Challenge categories: This year, the categories will not be disclosed to participants in advance, but they may include, without limitation, Web, Crypto, Pwn, Reverse, Misc, Forensics, Blockchain, and more.

Sponsors: Nebula Security - https://nebusec.ai/ OtterSec - https://osec.io/ Zellic - https://www.zellic.io/ Binary Ninja - https://binary.ninja/

Infra sponsored by goo.gle/ctfsponsorship

Support channel -> https://discord.gg/rrZ22GfJpX

Misc 30

Challenge Has
BabyCOM files
Blinky
#pointer-authentication#speculative-execution#cache-side-channel#mips
 files wu 1
Encrypted_Activation files
Escape_CET files
FunnyGame files
HEuristic
#ckks#microsoft-seal#approximate-common-divisor#lattice
 files wu 1
Inside files
MineMaze files
P1gROXY files
Security_Usage_Intelligence files
Time_Capsule files
Tsukis_Rhythm_Game
#pyinstaller#aes-cbc#marshal-bytecode#malware-c2
 files wu 1
Whisper files
definitely_not_a_web_chal files
ezvpn files
lift files
mafuyuuuuu
#xoshiro256#prng-state-recovery#dotnet-random
 files wu 1
mafuyuuuuu_2 files
pewpew files
polys files
r3chat files
r3map files
r3reach files
r3ticket
#lagrange-interpolation#negative-index#linear-algebra
 files wu 1
rECp1cG files
someday files
tap2pwn files
teRRibleRing files
trustedhash
#tpm2#remote-attestation#sealed-object#pcr
 files wu 1
z3kapig files