New Challenges

This page contains lists of recent and most difficult challenges. To play the challenges, please go to the challenges section.
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Recently Released
CategoryChallengePointsSolves
CTF Archive ECLCG (HITCON CTF) 0 10 solves
CTF Archive Sus (ImaginaryCTF) 0 20 solves
CTF Archive Share (HITCON CTF) 0 11 solves
CTF Archive Leet Universe (ImaginaryCTF (Daily)) 0 22 solves
CTF Archive Hyper512 (HITCON CTF) 0 10 solves
CTF Archive Maybe Someday (GoogleCTF) 0 9 solves
CTF Archive Hamiltonicity 2 (CryptoHack) 0 79 solves
CTF Archive Fischlin's Transformation (CryptoHack) 0 89 solves
CTF Archive OR Proof (CryptoHack) 0 212 solves
CTF Archive Ticket Maestro (CryptoHack) 0 65 solves
CTF Archive Additional problems (CSC Belgium) 0 17 solves
CTF Archive Hamiltonicity (CryptoHack) 0 146 solves
Symmetric Ciphers Pad Thai 80 485 solves
Symmetric Ciphers The Good, The Pad, The Ugly 100 380 solves
Symmetric Ciphers Oracular Spectacular 150 179 solves
Hash Functions Merkle Trees 25 381 solves
Elliptic Curves Checkpoint 150 137 solves
Elliptic Curves An Evil Twisted Mind 175 122 solves
Elliptic Curves A Twisted Mind 80 171 solves
Elliptic Curves An Exceptional Twisted Mind 125 112 solves
Isogenies Introduction to Isogenies 10 497 solves
Isogenies Montgomery Curves 30 283 solves
Isogenies Where's the Supersingular Curve 25 328 solves
Isogenies Image Point Arithmetic 30 320 solves
Isogenies DLOG on the Surface 40 226 solves
Isogenies The j-invariant 20 411 solves
Isogenies Better than Linear 85 160 solves
Isogenies Meet me in the Claw 120 119 solves
Isogenies André Encoding 80 151 solves
Isogenies Dual Masters 90 127 solves
Isogenies What's My Kernel 70 166 solves
Isogenies Abelian SIDH 90 142 solves
Isogenies A True Genus 175 106 solves
Isogenies Secret Exponents 60 181 solves
Isogenies Special Isogenies 30 188 solves
Isogenies Twisted CSIDH Isogenies 70 177 solves
Isogenies Prime Power Isogenies 50 187 solves
Isogenies CSIDH Key Exchange 90 167 solves
Isogenies Composite Isogenies 60 222 solves
Isogenies Breaking SIDH 250 119 solves
Isogenies Three Isogenies 35 230 solves
Isogenies SIDH Key Exchange 80 208 solves
Isogenies Two Isogenies 30 237 solves
ZKPs Mister Saplin's Preview 80 138 solves
ZKPs Mister Saplins The Prover 125 126 solves
ZKPs Pairing-Based Cryptography 50 177 solves
ZKPs Let's Prove It Again 175 104 solves
ZKPs Couples 100 124 solves
ZKPs Let's Prove It 120 113 solves
ZKPs Hamiltonicity 2 175 98 solves
 


Least Solved
CategoryChallengePointsSolves
CTF Archive diffecient (SekaiCTF) 0 7 solves
CTF Archive Maybe Someday (GoogleCTF) 0 9 solves
CTF Archive ECLCG (HITCON CTF) 0 10 solves
CTF Archive Hyper512 (HITCON CTF) 0 10 solves
CTF Archive unrandom DSA (HackTM CTF) 0 10 solves
CTF Archive GLP420 (HackTM CTF) 0 10 solves
CTF Archive Functional (ICC Athens) 0 11 solves
CTF Archive Share (HITCON CTF) 0 11 solves
CTF Archive Maybe Someday (Maybe Someday CTF) 0 11 solves
CTF Archive Substitution Cipher III (DownUnderCTF) 0 12 solves
CTF Archive FaILProof Revenge (SekaiCTF) 0 12 solves
CTF Archive Authenticator (Firebird Internal CTF) 0 13 solves
CTF Archive SpongeBob SquarePants / Battle for Bikini Bottom - Rehydrated (HTB Cyber Apocalypse) 0 13 solves
CTF Archive Probability (SEETF) 0 14 solves
CTF Archive RSA Permutation (WACON) 0 15 solves
CTF Archive Key recovery (DCTF) 0 15 solves
CTF Archive Sign In Please, Again (HKCERT CTF) 0 15 solves
CTF Archive FaILProof (SekaiCTF) 0 15 solves
CTF Archive RSA Secret Sharing (WACON) 0 16 solves
CTF Archive Signature (TSJ CTF) 0 16 solves
CTF Archive broken oracle (HackTM CTF) 0 16 solves
CTF Archive Irish flan (ECSC 2023 (Norway)) 0 16 solves
CTF Archive Additional problems (CSC Belgium) 0 17 solves
CTF Archive What a Curve! (Breizh CTF) 0 17 solves
CTF Archive Real Mersenne (Zh3r0 CTF V2) 0 17 solves

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