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
taizo Bytes and Big Integers 10
Katiedragon Bytes and Big Integers 10
gKrust XOR Starter 10
NoiseX Quadratic Residues 25
anna03 Extended GCD 20
Mualani You either know, XOR you don't 30
MentalEtMuscle XOR Starter 10
zzzfangyuan ASCII 5
MentalEtMuscle Bytes and Big Integers 10
Prashant12 Bringing It All Together 50
MentalEtMuscle Base64 10
Seventt Factoring 15
Prashant12 Modular Inverting 25
MentalEtMuscle Hex 5
Prashant12 Modular Arithmetic 2 20
MentalEtMuscle ASCII 5
Prashant12 Modular Arithmetic 1 20
Hawret Greatest Common Divisor 15
CarusoX 2020 (TETCTF) 0
MentalEtMuscle Great Snakes 3
Mualani Favourite byte 20
Prashant12 Greatest Common Divisor 15
nguyenmaihuyphat Resisting Bruteforce 10
M4th ASCII 5
Prashant12 Lemur XOR 40
Prashant12 Favourite byte 20
Prashant12 You either know, XOR you don't 30
Hawret You either know, XOR you don't 30
nguyenmaihuyphat Keyed Permutations 5
Prashant12 XOR Properties 15
MentalEtMuscle Finding Flags 2
Mr_Zero Finding Flags 2
Prashant12 XOR Starter 10
M4th Great Snakes 3
noncanonical You either know, XOR you don't 30
nguyenmaihuyphat Modular Binomials 80
223874_Mark Modular Binomials 80
didin2026 You either know, XOR you don't 30
didin2026 Favourite byte 20
M4th Finding Flags 2
Mualani XOR Properties 15
CarusoX 1337crypt (DownUnderCTF) 0
223874_Mark Adrien's Signs 80
didin2026 XOR Properties 15
Tranbmdlong Chinese Remainder Theorem 40
didin2026 XOR Starter 10
Prashant12 Network Attacks 5
didin2026 Bytes and Big Integers 10
didin2026 Base64 10
223874_Mark Chinese Remainder Theorem 40

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