| Date | User | Challenge | Score |
| youssef_reda | Hex | 5 | |
| LOLLERIN | Finding Flags | 2 | |
| krok71 | Great Snakes | 3 | |
| JellyGames | Deriving Symmetric Keys | 40 | |
| d3f4ult2_0 | RSA Decryption | 20 | |
| Alex_345678 | Finding Flags | 2 | |
| AceMorningstar | Finding Flags | 2 | |
| d3f4ult2_0 | Private Keys | 20 | |
| d3f4ult2_0 | Euler's Totient | 20 | |
| d3f4ult2_0 | Public Keys | 15 | |
| BonziSki | Passwords as Keys | 50 | |
| 0x4XEl | Curves and Logs | 40 | |
| d3f4ult2_0 | Modular Exponentiation | 10 | |
| puzin | Finding Flags | 2 | |
| gathman | XOR Properties | 15 | |
| eevee_lover | Finding Flags | 2 | |
| d3f4ult2_0 | Network Attacks | 5 | |
| JellyGames | Computing Shared Secrets | 30 | |
| SUPERSUNN | Generators of Groups | 20 | |
| lcalvie | Modular Inverting | 25 | |
| gathman | XOR Starter | 10 | |
| porolishinan | Factoring | 15 | |
| gathman | Encoding Challenge | 40 | |
| paulanyszta | Transparency | 50 | |
| paulanyszta | SSH Keys | 35 | |
| paulanyszta | CERTainly not | 30 | |
| fr1x3r | Bringing It All Together | 50 | |
| paulanyszta | Privacy-Enhanced Mail? | 25 | |
| paulanyszta | Modular Inverting | 25 | |
| paulanyszta | Modular Arithmetic 2 | 20 | |
| paulanyszta | Modular Arithmetic 1 | 20 | |
| paulanyszta | Extended GCD | 20 | |
| paulanyszta | Greatest Common Divisor | 15 | |
| lcalvie | Modular Arithmetic 2 | 20 | |
| 0x4XEl | Scalar Multiplication | 35 | |
| obahya | Symmetry | 50 | |
| cryptokiwi | Modular Square Root | 35 | |
| Masquerade | Everything is Big | 70 | |
| miksquared | JWT Secrets | 25 | |
| b0510 | Modular Square Root | 35 | |
| SUPERSUNN | Working with Fields | 10 | |
| neilbutcher | Modular Inverting | 25 | |
| lcalvie | Modular Arithmetic 1 | 20 | |
| JellyGames | Computing Public Values | 25 | |
| miksquared | No Way JOSE | 20 | |
| BonziSki | Modes of Operation Starter | 15 | |
| JellyGames | Generators of Groups | 20 | |
| neilbutcher | Modular Arithmetic 2 | 20 | |
| porolishinan | RSA Decryption | 20 | |
| jesusharo1 | Great Snakes | 3 |
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