| Date | User | Challenge | Score |
| Katsudon | Euler's Totient | 20 | |
| Katsudon | Public Keys | 15 | |
| fangkhao15 | Extended GCD | 20 | |
| Haruoiru | Structure of AES | 15 | |
| meyadawaganmata | Flipping Cookie | 60 | |
| Mikayn | Adrien's Signs | 80 | |
| meyadawaganmata | ECB CBC WTF | 55 | |
| phasucha | Bytes and Big Integers | 10 | |
| wizard101 | ASCII | 5 | |
| tanakorn | Modular Binomials | 80 | |
| atsadet | Base64 | 10 | |
| fangkhao15 | Greatest Common Divisor | 15 | |
| Sirawit | Extended GCD | 20 | |
| mheamata | ECB Oracle | 60 | |
| wizard101 | Great Snakes | 3 | |
| phasucha | Base64 | 10 | |
| Haruoiru | Resisting Bruteforce | 10 | |
| wizard101 | Finding Flags | 2 | |
| atsadet | Hex | 5 | |
| Katsudon | Modular Exponentiation | 10 | |
| sixsquareAI | SpongeBob SquarePants / Battle for Bikini Bottom - Rehydrated (HTB Cyber Apocalypse) | 0 | |
| nous | Twist and shout (ECSC 2023 (Norway)) | 0 | |
| mheamata | Structure of AES | 15 | |
| cyk0sure | Gotta Go Fast | 40 | |
| mheamata | Resisting Bruteforce | 10 | |
| fangkhao15 | You either know, XOR you don't | 30 | |
| mheamata | Keyed Permutations | 5 | |
| Haruoiru | Keyed Permutations | 5 | |
| pulkit_3 | XOR Properties | 15 | |
| tanakorn | Adrien's Signs | 80 | |
| fangkhao15 | Favourite byte | 20 | |
| atsadet | ASCII | 5 | |
| pulkit_3 | Favourite byte | 20 | |
| pulkit_3 | XOR Starter | 10 | |
| nguyen_crypto99 | Great Snakes | 3 | |
| TheSIPNJ | Resisting Bruteforce | 10 | |
| fangkhao15 | XOR Properties | 15 | |
| XinVictus1 | ASCII | 5 | |
| phasucha | Hex | 5 | |
| TheSIPNJ | Keyed Permutations | 5 | |
| tanakorn | Chinese Remainder Theorem | 40 | |
| BeneficialKatana | Great Snakes | 3 | |
| tanakorn | Modular Square Root | 35 | |
| LeeKangHy | Noise Free | 40 | |
| fangkhao15 | XOR Starter | 10 | |
| zerocodes | Greatest Common Divisor | 15 | |
| tanakorn | Legendre Symbol | 35 | |
| BeneficialKatana | Finding Flags | 2 | |
| sayai | Modular Exponentiation | 10 | |
| fangkhao15 | Bytes and Big Integers | 10 |
You are now level Current level