Solves

Data for the 50 most recent submitted challenge solves. To read writeups for our challenges, visit Solutions.
computer celebrating
Recent Solves
DateUserChallengeScore
madness57 Greatest Common Divisor 15
Percy_J Base64 10
livinskull ASCII 5
Percy_J Hex 5
trashbro XOR Properties 15
0hexor Bytes and Big Integers 10
Percy_J ASCII 5
Palesword RSA Decryption 20
khalishaag Modular Inverting 25
livinskull Network Attacks 5
khalishaag Modular Arithmetic 2 20
khalishaag Modular Arithmetic 1 20
livinskull Great Snakes 3
khalishaag Extended GCD 20
livinskull Finding Flags 2
GALIH Base64 10
EOne MD0 80
GALIH Hex 5
khalishaag Greatest Common Divisor 15
Kiwi64bit Chinese Remainder Theorem 40
GALIH ASCII 5
GALIH Network Attacks 5
SAATVIK Deriving Symmetric Keys 40
Percy_J Great Snakes 3
khalishaag Lemur XOR 40
sattawat Great Snakes 3
arun_ks Structure of AES 15
Palesword Private Keys 20
sattawat Finding Flags 2
sixsquareAI Ticket Maestro 200
SAATVIK Computing Shared Secrets 30
Percy_J Finding Flags 2
Palesword Euler's Totient 20
SAATVIK Computing Public Values 25
LALA______2026 Hex 5
Gryfman Factoring 15
Akmalbaee You either know, XOR you don't 30
Gryfman RSA Signatures 25
RotaJakiro Point Negation 10
avnes Favourite byte 20
Akmalbaee Favourite byte 20
nanashiku ASCII 5
platinumxy Triple DES 60
Palesword Public Keys 15
Akmalbaee XOR Properties 15
putfirga Unencryptable 125
Gryfman RSA Decryption 20
putfirga Ellipse Curve Cryptography 125
putfirga No Way Back Home 100
nanashiku Great Snakes 3

Level Up

level up icon

You are now level Current level