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
taboctf Hash Stuffing 50
UGOTTHEBIGL Passwords as Keys 50
hungtrab From Private to Public Key LWE 25
toomuchcoffee Crossed Wires 100
UGOTTHEBIGL Modes of Operation Starter 15
taboctf Transparency 50
khohenshilt Network Attacks 5
QWXXHSX123 SIDH Key Exchange 80
UGOTTHEBIGL Bringing It All Together 50
taboctf Double and Broken 50
domepetz Adrien's Signs 80
taboctf Efficient Exchange 50
APTashraf2026 Computing Public Values 25
hungtrab Roll your Own 125
APTashraf2026 Generators of Groups 20
DingoRad Favourite byte 20
ProfessorC XOR Starter 10
kynex7510 Let's Decrypt 80
taboctf Prime Power Isogenies 50
peglycol Monoprime 30
UGOTTHEBIGL Diffusion through Permutation 30
qucker135 Quadratic Residues 25
ventie Modular Arithmetic 2 20
APTashraf2026 Working with Fields 10
mm302 Bringing It All Together 50
qucker135 Modular Inverting 25
taboctf Gaussian Reduction 50
qucker135 Modular Arithmetic 2 20
qucker135 Modular Arithmetic 1 20
josemltc_22 Finding Flags 2
marshaco Base64 10
qucker135 Extended GCD 20
toomuchcoffee Everything is Big 70
ventie Modular Arithmetic 1 20
marshaco Hex 5
APTashraf2026 Manyprime 40
marshaco ASCII 5
xf00f Size and Basis 15
SCHROBB RSA Decryption 20
kynex7510 Signing Server 60
marshaco Great Snakes 3
AK74 Base64 10
hungtrab ZKP Introduction 5
taboctf Passwords as Keys 50
xf00f Vectors 10
taboctf Symmetry 50
marshaco Finding Flags 2
MT42 Hex 5
APTashraf2026 Public Keys 15
kynex7510 Marin's Secrets 50

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