New Challenges

This page contains lists of recent and most difficult challenges. To play the challenges, please go to the challenges section.
computer celebrating
Recently Released
CategoryChallengePointsSolves
CTF Archive ECLCG (HITCON CTF) 0 6 solves
CTF Archive Sus (ImaginaryCTF) 0 8 solves
CTF Archive Share (HITCON CTF) 0 4 solves
CTF Archive Leet Universe (ImaginaryCTF (Daily)) 0 14 solves
CTF Archive Hyper512 (HITCON CTF) 0 7 solves
CTF Archive Maybe Someday (GoogleCTF) 0 3 solves
CTF Archive Hamiltonicity 2 (CryptoHack) 0 64 solves
CTF Archive Fischlin's Transformation (CryptoHack) 0 73 solves
CTF Archive OR Proof (CryptoHack) 0 166 solves
CTF Archive Ticket Maestro (CryptoHack) 0 54 solves
CTF Archive Additional problems (CSC Belgium) 0 11 solves
CTF Archive Hamiltonicity (CryptoHack) 0 111 solves
Symmetric Ciphers Pad Thai 80 349 solves
Symmetric Ciphers The Good, The Pad, The Ugly 100 268 solves
Symmetric Ciphers Oracular Spectacular 150 153 solves
Hash Functions Merkle Trees 25 291 solves
Elliptic Curves Checkpoint 150 102 solves
Elliptic Curves An Evil Twisted Mind 175 90 solves
Elliptic Curves A Twisted Mind 80 123 solves
Elliptic Curves An Exceptional Twisted Mind 125 80 solves
Isogenies Introduction to Isogenies 10 373 solves
Isogenies Montgomery Curves 30 219 solves
Isogenies Where's the Supersingular Curve 25 254 solves
Isogenies Image Point Arithmetic 30 244 solves
Isogenies DLOG on the Surface 40 166 solves
Isogenies The j-invariant 20 316 solves
Isogenies Better than Linear 85 110 solves
Isogenies Meet me in the Claw 120 82 solves
Isogenies André Encoding 80 103 solves
Isogenies Dual Masters 90 86 solves
Isogenies What's My Kernel 70 113 solves
Isogenies Abelian SIDH 90 95 solves
Isogenies A True Genus 175 71 solves
Isogenies Secret Exponents 60 132 solves
Isogenies Special Isogenies 30 139 solves
Isogenies Twisted CSIDH Isogenies 70 130 solves
Isogenies Prime Power Isogenies 50 138 solves
Isogenies CSIDH Key Exchange 90 120 solves
Isogenies Composite Isogenies 60 162 solves
Isogenies Breaking SIDH 250 83 solves
Isogenies Three Isogenies 35 169 solves
Isogenies SIDH Key Exchange 80 153 solves
Isogenies Two Isogenies 30 172 solves
ZKPs Mister Saplin's Preview 80 109 solves
ZKPs Mister Saplins The Prover 125 100 solves
ZKPs Pairing-Based Cryptography 50 140 solves
ZKPs Let's Prove It Again 175 81 solves
ZKPs Couples 100 96 solves
ZKPs Let's Prove It 120 88 solves
ZKPs Hamiltonicity 2 175 77 solves
 


Least Solved
CategoryChallengePointsSolves
CTF Archive Maybe Someday (GoogleCTF) 0 3 solves
CTF Archive Share (HITCON CTF) 0 4 solves
CTF Archive diffecient (SekaiCTF) 0 5 solves
CTF Archive ECLCG (HITCON CTF) 0 6 solves
CTF Archive Authenticator (Firebird Internal CTF) 0 7 solves
CTF Archive Functional (ICC Athens) 0 7 solves
CTF Archive Hyper512 (HITCON CTF) 0 7 solves
CTF Archive Maybe Someday (Maybe Someday CTF) 0 7 solves
CTF Archive GLP420 (HackTM CTF) 0 7 solves
CTF Archive FaILProof Revenge (SekaiCTF) 0 7 solves
CTF Archive Substitution Cipher III (DownUnderCTF) 0 8 solves
CTF Archive unrandom DSA (HackTM CTF) 0 8 solves
CTF Archive Sus (ImaginaryCTF) 0 8 solves
CTF Archive RSA Permutation (WACON) 0 10 solves
CTF Archive Key recovery (DCTF) 0 10 solves
CTF Archive C0ll1d3r (Firebird Internal CTF) 0 10 solves
CTF Archive Additional problems (CSC Belgium) 0 11 solves
CTF Archive Probability (SEETF) 0 11 solves
CTF Archive SpongeBob SquarePants / Battle for Bikini Bottom - Rehydrated (HTB Cyber Apocalypse) 0 11 solves
CTF Archive RSA Secret Sharing (WACON) 0 12 solves
CTF Archive Signature (TSJ CTF) 0 12 solves
CTF Archive Sign In Please, Again (HKCERT CTF) 0 12 solves
CTF Archive FaILProof (SekaiCTF) 0 12 solves
CTF Archive broken oracle (HackTM CTF) 0 13 solves
CTF Archive Sratslla SEA (HKCERT CTF) 0 13 solves

Level Up

level up icon

You are now level Current level