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 2 solves
CTF Archive Sus (ImaginaryCTF) 0 1 solves
CTF Archive Share (HITCON CTF) 0 2 solves
CTF Archive Leet Universe (ImaginaryCTF (Daily)) 0 2 solves
CTF Archive Hyper512 (HITCON CTF) 0 3 solves
CTF Archive Maybe Someday (GoogleCTF) 0 2 solves
CTF Archive Hamiltonicity 2 (CryptoHack) 0 28 solves
CTF Archive Fischlin's Transformation (CryptoHack) 0 37 solves
CTF Archive OR Proof (CryptoHack) 0 78 solves
CTF Archive Ticket Maestro (CryptoHack) 0 29 solves
CTF Archive Additional problems (CSC Belgium) 0 1 solves
CTF Archive Hamiltonicity (CryptoHack) 0 56 solves
Symmetric Ciphers Pad Thai 80 110 solves
Symmetric Ciphers The Good, The Pad, The Ugly 100 93 solves
Symmetric Ciphers Oracular Spectacular 150 83 solves
Hash Functions Merkle Trees 25 102 solves
Elliptic Curves Checkpoint 150 49 solves
Elliptic Curves An Evil Twisted Mind 175 34 solves
Elliptic Curves A Twisted Mind 80 45 solves
Elliptic Curves An Exceptional Twisted Mind 125 34 solves
Isogenies Introduction to Isogenies 10 116 solves
Isogenies Montgomery Curves 30 86 solves
Isogenies Where's the Supersingular Curve 25 99 solves
Isogenies Image Point Arithmetic 30 90 solves
Isogenies DLOG on the Surface 40 65 solves
Isogenies The j-invariant 20 111 solves
Isogenies Better than Linear 85 44 solves
Isogenies Meet me in the Claw 120 35 solves
Isogenies André Encoding 80 45 solves
Isogenies Dual Masters 90 36 solves
Isogenies What's My Kernel 70 49 solves
Isogenies Abelian SIDH 90 41 solves
Isogenies A True Genus 175 26 solves
Isogenies Secret Exponents 60 53 solves
Isogenies Special Isogenies 30 56 solves
Isogenies Twisted CSIDH Isogenies 70 52 solves
Isogenies Prime Power Isogenies 50 54 solves
Isogenies CSIDH Key Exchange 90 49 solves
Isogenies Composite Isogenies 60 63 solves
Isogenies Breaking SIDH 250 33 solves
Isogenies Three Isogenies 35 66 solves
Isogenies SIDH Key Exchange 80 61 solves
Isogenies Two Isogenies 30 66 solves
ZKPs Mister Saplin's Preview 80 51 solves
ZKPs Mister Saplins The Prover 125 50 solves
ZKPs Pairing-Based Cryptography 50 63 solves
ZKPs Let's Prove It Again 175 47 solves
ZKPs Couples 100 51 solves
ZKPs Let's Prove It 120 48 solves
ZKPs Hamiltonicity 2 175 32 solves
 


Least Solved
CategoryChallengePointsSolves
CTF Archive Additional problems (CSC Belgium) 0 1 solves
CTF Archive Sus (ImaginaryCTF) 0 1 solves
CTF Archive ECLCG (HITCON CTF) 0 2 solves
CTF Archive Share (HITCON CTF) 0 2 solves
CTF Archive Maybe Someday (GoogleCTF) 0 2 solves
CTF Archive Leet Universe (ImaginaryCTF (Daily)) 0 2 solves
CTF Archive Hyper512 (HITCON CTF) 0 3 solves
CTF Archive diffecient (SekaiCTF) 0 5 solves
CTF Archive unrandom DSA (HackTM CTF) 0 6 solves
CTF Archive Authenticator (Firebird Internal CTF) 0 7 solves
CTF Archive Functional (ICC Athens) 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 Key recovery (DCTF) 0 8 solves
CTF Archive C0ll1d3r (Firebird Internal CTF) 0 8 solves
CTF Archive RSA Secret Sharing (WACON) 0 9 solves
CTF Archive Probability (SEETF) 0 10 solves
CTF Archive Signature (TSJ CTF) 0 10 solves
CTF Archive RSA Permutation (WACON) 0 10 solves
CTF Archive SpongeBob SquarePants / Battle for Bikini Bottom - Rehydrated (HTB Cyber Apocalypse) 0 11 solves
CTF Archive broken oracle (HackTM CTF) 0 12 solves
CTF Archive Unbalanced (ICC Athens) 0 12 solves
CTF Archive Sratslla SEA (HKCERT CTF) 0 12 solves

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