| Date | User | Challenge | Score |
| miguelemos | Pairing-Based Cryptography | 50 | |
| SpeedyRat | Finding Flags | 2 | |
| Sh1fty | ASCII | 5 | |
| nik_tud | Resisting Bruteforce | 10 | |
| Eliott | Monoprime | 30 | |
| strawberrybluebe | Great Snakes | 3 | |
| nik_tud | Keyed Permutations | 5 | |
| Sh1fty | Great Snakes | 3 | |
| AskarvonPK | Finding Flags | 2 | |
| Damsssss | Efficient Exchange | 50 | |
| strawberrybluebe | Finding Flags | 2 | |
| Lni416 | Favourite byte | 20 | |
| Eliott | Factoring | 15 | |
| tempest7716 | Scalar Multiplication | 35 | |
| Sh1fty | Finding Flags | 2 | |
| yang123 | Public Keys | 15 | |
| MrBluescreen | Transparency | 50 | |
| miguelemos | Ticket Maestro (CryptoHack) | 0 | |
| miguelemos | Ticket Maestro | 200 | |
| g0ld3np4r3y | ECB CBC WTF | 55 | |
| LikhithAlgo | Network Attacks | 5 | |
| Eliott | RSA Signatures | 25 | |
| Lni416 | XOR Properties | 15 | |
| yang123 | Modular Exponentiation | 10 | |
| MrBluescreen | SSH Keys | 35 | |
| alright | Modular Binomials | 80 | |
| Kad | Pad Thai | 80 | |
| AlxGonin | Working with Fields | 10 | |
| akuma52 | Modular Square Root | 35 | |
| vaft | Greatest Common Divisor | 15 | |
| MrBluescreen | CERTainly not | 30 | |
| wassimoo | Finding Flags | 2 | |
| LikhithAlgo | Great Snakes | 3 | |
| LikhithAlgo | Finding Flags | 2 | |
| Thekeshavpundhir | Great Snakes | 3 | |
| miguelemos | Fischlin's Transformation (CryptoHack) | 0 | |
| miguelemos | Fischlin Transform | 180 | |
| N7B_518 | An Exceptional Twisted Mind | 125 | |
| MrBluescreen | Privacy-Enhanced Mail? | 25 | |
| Athnos | Legendre Symbol | 35 | |
| vladvasii | Point Addition | 30 | |
| AlxGonin | Modulus Inutilis | 50 | |
| adriia0 | Favourite byte | 20 | |
| marlotttt | Finding Flags | 2 | |
| uglybarnacle | XOR Properties | 15 | |
| alright | Adrien's Signs | 80 | |
| MrBluescreen | Modular Inverting | 25 | |
| akuma52 | Legendre Symbol | 35 | |
| AlxGonin | Salty | 20 | |
| AlxGonin | Manyprime | 40 |
You are now level Current level