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
cybersec07 Finding Flags 2
Ra1ssa Finding Flags 2
lhowariy XOR Starter 10
Frederik353 Modular Binomials 80
Arvis Additional problems (CSC Belgium) 0
lhowariy Bytes and Big Integers 10
Luciol Base64 10
dkoazwlearning Backpack Cryptography 120
Arvis Dancing Queen 120
psykorion Favourite byte 20
bena_47 Chinese Remainder Theorem 40
Arvis Verilicious (Cyber Apocalypse 2025) 0
Arvis Stream of Consciousness 80
selsoares11 Quadratic Residues 25
Arvis CTRIME 70
bena_47 Modular Square Root 35
lexykatt Finding Flags 2
jy0613 Resisting Bruteforce 10
devid Quadratic Residues 25
Arvis Logon Zero 80
Arvis Bean Counter 60
kaleidooa Structure of AES 15
Arvis Symmetry 50
chrischako Modular Inverting 25
Topfpflanze RSA Signatures 25
DerEinzigeMichi Manyprime 40
bena_47 Legendre Symbol 35
Simcitty RSA Signatures 25
jag RSA Signatures 25
Arvis U-turn (Breizh CTF) 0
IvanMaierhofer Monoprime 30
Arvis Triple DES 60
Arvis Lazy CBC 60
chrischako Modular Arithmetic 2 20
Biersaefer RSA Signatures 25
sulha Successive Powers 60
annikan0210 RSA Signatures 25
wangjihu Extended GCD 20
jakobKL Factoring 15
chrischako Modular Arithmetic 1 20
lhowariy Base64 10
JakobKjellberg02 Bringing It All Together 50
strauchiii Generators of Groups 20
lintangpambayun Network Attacks 5
lintangpambayun Great Snakes 3
lintangpambayun Finding Flags 2
Niklas6616 Factoring 15
strauchiii Working with Fields 10
lhowariy Hex 5
bena_47 Quadratic Residues 25

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