Solves

Data for the 50 most recent submitted challenge solves. To read writeups for our challenges, visit Solutions.
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Recent Solves
DateUserChallengeScore
ocrxn Finding Flags 2
Cryptoloid Great Snakes 3
kimjiwon Jack's Birthday Confusion 30
efuentes41664 ProSign 3 100
efuentes41664 Curveball 100
cryptotti Export-grade 100
RenoRey Finding Flags 2
Learnforfun2026 Bytes and Big Integers 10
kimjiwon Jack's Birthday Hash 20
Learnforfun2026 Base64 10
WhAt You either know, XOR you don't 30
Learnforfun2026 Hex 5
cryptotti Parameter Injection 60
unixkarma Structure of AES 15
cultoindigo Base64 10
yingxiaowo Legendre Symbol 35
Rohankhatwani ZKP Introduction 5
cultoindigo Hex 5
efuentes41664 Smooth Criminal 60
Rohankhatwani OR Proof 75
Rohankhatwani Image Point Arithmetic 30
Rohankhatwani Better than Linear 85
Rohankhatwani Twisted CSIDH Isogenies 70
Rohankhatwani Secret Exponents 60
Rohankhatwani Prime Power Isogenies 50
efuentes41664 Montgomery's Ladder 40
daymondx Base64 10
Rohankhatwani Special Isogenies 30
bliutech Modular Arithmetic 1 20
brew Moving Problems 150
bliutech Extended GCD 20
efuentes41664 Efficient Exchange 50
s5k6y7 Point Negation 10
Rohankhatwani Composite Isogenies 60
efuentes41664 Curves and Logs 40
Rohankhatwani Three Isogenies 35
Rohankhatwani Two Isogenies 30
efuentes41664 Scalar Multiplication 35
Rohankhatwani Montgomery Curves 30
unixkarma Resisting Bruteforce 10
jerryclass Jack's Birthday Hash 20
Rohankhatwani Where's the Supersingular Curve 25
efuentes41664 Point Addition 30
Rohankhatwani The j-invariant 20
cultoindigo ASCII 5
Rohankhatwani Introduction to Isogenies 10
Rohankhatwani Size and Basis 15
Rohankhatwani Gram Schmidt 30
efuentes41664 Point Negation 10
unixkarma Keyed Permutations 5

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