| Date | User | Challenge | Score |
| hanahiennguyen | SSH Keys | 35 | |
| 166907 | Euler's Totient | 20 | |
| IreneK | Export-grade | 100 | |
| 166907 | Public Keys | 15 | |
| CastorJr | Round Keys | 20 | |
| IreneK | Parameter Injection | 60 | |
| 166907 | Modular Exponentiation | 10 | |
| IreneK | Deriving Symmetric Keys | 40 | |
| IreneK | Computing Shared Secrets | 30 | |
| IreneK | Computing Public Values | 25 | |
| MaddoxKibati | Factoring | 15 | |
| IreneK | Generators of Groups | 20 | |
| IreneK | Working with Fields | 10 | |
| CYDF1121 | Stream of Consciousness | 80 | |
| IreneK | Modulus Inutilis | 50 | |
| Nothing000 | You either know, XOR you don't | 30 | |
| IreneK | Salty | 20 | |
| IreneK | Manyprime | 40 | |
| Myra0106 | Quadratic Residues | 25 | |
| gittyasois | Bean Counter | 60 | |
| N0UR | Structure of AES | 15 | |
| IreneK | Monoprime | 30 | |
| IreneK | Factoring | 15 | |
| melvin123_4 | Monoprime | 30 | |
| conan924 | Montgomery's Ladder | 40 | |
| melvin123_4 | Factoring | 15 | |
| CastorJr | Euler's Totient | 20 | |
| gittyasois | Symmetry | 50 | |
| Armstrong64 | Export-grade | 100 | |
| CastorJr | Public Keys | 15 | |
| JoeBiden | Hex | 5 | |
| CastorJr | Modular Exponentiation | 10 | |
| gittyasois | Flipping Cookie | 60 | |
| IreneK | RSA Signatures | 25 | |
| HVOC | ECB CBC WTF | 55 | |
| CastorJr | Structure of AES | 15 | |
| 167146 | Monoprime | 30 | |
| IreneK | RSA Decryption | 20 | |
| gittyasois | ECB CBC WTF | 55 | |
| MaddoxKibati | RSA Signatures | 25 | |
| IreneK | Private Keys | 20 | |
| 167146 | Factoring | 15 | |
| sean_summer | XOR Properties | 15 | |
| IreneK | Euler's Totient | 20 | |
| IreneK | Public Keys | 15 | |
| tbr103 | Greatest Common Divisor | 15 | |
| conan924 | Double and Broken | 50 | |
| melvin123_4 | RSA Signatures | 25 | |
| IreneK | Modular Exponentiation | 10 | |
| gittyasois | ECB Oracle | 60 |
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