| Date | User | Challenge | Score |
| xiung | Modular Arithmetic 1 | 20 | |
| ramdn_99 | Great Snakes | 3 | |
| knkl384038 | RSA Decryption | 20 | |
| Nyunseo | Computing Shared Secrets | 30 | |
| knkl384038 | Private Keys | 20 | |
| zahra_kvr | Modular Square Root | 35 | |
| Averyoddone | XOR Starter | 10 | |
| victoryst | Modular Inverting | 25 | |
| unigifki | Working with Fields | 10 | |
| victoryst | Modular Arithmetic 2 | 20 | |
| Nyunseo | Computing Public Values | 25 | |
| varun_0183 | Finding Flags | 2 | |
| 3kJSPHRZojtgm4Wh | Bytes and Big Integers | 10 | |
| adadadada1212 | Base64 | 10 | |
| JOJAR | Successive Powers | 60 | |
| adadadada1212 | Hex | 5 | |
| knkl384038 | Euler's Totient | 20 | |
| 3kJSPHRZojtgm4Wh | Base64 | 10 | |
| knkl384038 | Public Keys | 15 | |
| 3kJSPHRZojtgm4Wh | Hex | 5 | |
| hubg0b71n | Legendre Symbol | 35 | |
| Averyoddone | Bytes and Big Integers | 10 | |
| 3kJSPHRZojtgm4Wh | ASCII | 5 | |
| henril | Parameter Injection | 60 | |
| 3kJSPHRZojtgm4Wh | Great Snakes | 3 | |
| victoryst | Modular Arithmetic 1 | 20 | |
| evarist | Digestive | 60 | |
| Nyunseo | Generators of Groups | 20 | |
| knkl384038 | Modular Exponentiation | 10 | |
| Averyoddone | Base64 | 10 | |
| Sunnybear0827 | XOR Starter | 10 | |
| adadadada1212 | ASCII | 5 | |
| 271leni | Hash Stuffing | 50 | |
| 3kJSPHRZojtgm4Wh | Finding Flags | 2 | |
| Averyoddone | Hex | 5 | |
| adadadada1212 | Great Snakes | 3 | |
| adadadada1212 | Finding Flags | 2 | |
| 271leni | Collider | 50 | |
| Averyoddone | ASCII | 5 | |
| Nyunseo | Working with Fields | 10 | |
| 271leni | Jack's Birthday Confusion | 30 | |
| unigifki | Modulus Inutilis | 50 | |
| ramdn_99 | Finding Flags | 2 | |
| poppingbubles | Extended GCD | 20 | |
| 271leni | Jack's Birthday Hash | 20 | |
| Averyoddone | Great Snakes | 3 | |
| poppingbubles | Greatest Common Divisor | 15 | |
| blahajEnjoyer | Hex | 5 | |
| Bla | ASCII | 5 | |
| blahajEnjoyer | ASCII | 5 |
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