| Date | User | Challenge | Score |
| sixsquareAI | Finding Flags | 2 | |
| VitorRibeiro | Base64 | 10 | |
| tralexa | Favourite byte | 20 | |
| tralexa | XOR Starter | 10 | |
| tralexa | Bytes and Big Integers | 10 | |
| MrGl1tchNu11 | Confusion through Substitution | 25 | |
| irf16 | Great Snakes | 3 | |
| Mohammad28 | You either know, XOR you don't | 30 | |
| irf16 | Finding Flags | 2 | |
| cryptopython3 | XOR Starter | 10 | |
| sixsquareAI | Three Isogenies | 35 | |
| sixsquareAI | Image Point Arithmetic | 30 | |
| sixsquareAI | The j-invariant | 20 | |
| Amostatics | Finding Flags | 2 | |
| Mohammad28 | Favourite byte | 20 | |
| sixsquareAI | Introduction to Isogenies | 10 | |
| VitorRibeiro | Hex | 5 | |
| lann | Favourite byte | 20 | |
| sixsquareAI | LWE Low Bits Message | 20 | |
| sixsquareAI | From Private to Public Key LWE | 25 | |
| S17v | XOR Starter | 10 | |
| sixsquareAI | LWE Intro | 10 | |
| sixsquareAI | LWE Background | 5 | |
| Uranophilus | Bytes and Big Integers | 10 | |
| sixsquareAI | What's a Lattice? | 40 | |
| RuslanPaputsia | Prime and Prejudice | 200 | |
| nemesis176 | Base64 | 10 | |
| AaronCrighton | Logon Zero | 80 | |
| sixsquareAI | Successive Powers | 60 | |
| Sintamianggraini | Modes of Operation Starter | 15 | |
| RuslanPaputsia | Real Eisenstein | 150 | |
| RuslanPaputsia | Unencryptable | 125 | |
| Revalina14 | Modes of Operation Starter | 15 | |
| RuslanPaputsia | Roll your Own | 125 | |
| RuslanPaputsia | Ellipse Curve Cryptography | 125 | |
| Revalina14 | Bringing It All Together | 50 | |
| RuslanPaputsia | No Way Back Home | 100 | |
| lann | XOR Properties | 15 | |
| Revalina14 | Diffusion through Permutation | 30 | |
| jrhyne | Jack's Birthday Hash | 20 | |
| rayanezaz | Let's Decrypt | 80 | |
| Revalina14 | Confusion through Substitution | 25 | |
| RuslanPaputsia | Broken RSA | 100 | |
| nemesis176 | Hex | 5 | |
| sixsquareAI | The Matrix | 75 | |
| sixsquareAI | Parameter Injection | 60 | |
| KIEMA91 | Greatest Common Divisor | 15 | |
| richmoneybank479 | Parameter Injection | 60 | |
| MrGl1tchNu11 | Round Keys | 20 | |
| rayanezaz | Signing Server | 60 |
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