| Date | User | Challenge | Score |
| Joxlong | Factoring | 15 | |
| khxjn | Modular Exponentiation | 10 | |
| selsoares11 | Modular Inverting | 25 | |
| artemisthe | Hex | 5 | |
| xiung | Greatest Common Divisor | 15 | |
| mochaowo | Hex | 5 | |
| kai06 | Square Eyes | 35 | |
| lucky123 | Modular Inverting | 25 | |
| porty40 | Factoring | 15 | |
| philosophe | Bytes and Big Integers | 10 | |
| polo8005 | RSA Signatures | 25 | |
| dkoazwlearning | Find the Lattice | 100 | |
| cavazinf | Modular Exponentiation | 10 | |
| xiung | You either know, XOR you don't | 30 | |
| jinseo | Generators of Groups | 20 | |
| kai06 | Monoprime | 30 | |
| selsoares11 | Modular Arithmetic 2 | 20 | |
| jinseo | Working with Fields | 10 | |
| mochaowo | ASCII | 5 | |
| philosophe | Base64 | 10 | |
| mochaowo | Great Snakes | 3 | |
| cavazinf | Bean Counter | 60 | |
| artemisthe | ASCII | 5 | |
| lucky123 | Modular Arithmetic 2 | 20 | |
| RSeldon06 | JWT Sessions | 10 | |
| RSeldon06 | Token Appreciation | 5 | |
| tt__0330 | You either know, XOR you don't | 30 | |
| jinseo | Factoring | 15 | |
| porty40 | RSA Signatures | 25 | |
| mochaowo | Finding Flags | 2 | |
| lucky123 | Modular Arithmetic 1 | 20 | |
| philosophe | Hex | 5 | |
| selsoares11 | Modular Arithmetic 1 | 20 | |
| ali_dagistan | Confusion through Substitution | 25 | |
| selsoares11 | Extended GCD | 20 | |
| claudevicuna | Gaussian Reduction | 50 | |
| cavazinf | Symmetry | 50 | |
| goosbo | The Matrix Reloaded | 100 | |
| kbar | Quadratic Residues | 25 | |
| panman4040 | Modular Square Root | 35 | |
| z1g24g | CTRIME | 70 | |
| xiung | Favourite byte | 20 | |
| selsoares11 | Greatest Common Divisor | 15 | |
| cavazinf | Flipping Cookie | 60 | |
| Alergush | Structure of AES | 15 | |
| lucky123 | Extended GCD | 20 | |
| Joxlong | RSA Signatures | 25 | |
| kbar | Modular Inverting | 25 | |
| cavazinf | ECB CBC WTF | 55 | |
| Oxidayzz | Base64 | 10 |
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