| Date | User | Challenge | Score |
| AndyBarth | Hex | 5 | |
| darththucydides | CERTainly not | 30 | |
| AndyBarth | ASCII | 5 | |
| anarcheuz | Non-Interactive | 35 | |
| AndyBarth | Great Snakes | 3 | |
| AndyBarth | Finding Flags | 2 | |
| qslg | RSA Backdoor Viability | 175 | |
| ngynmq | Let's Decrypt | 80 | |
| nihhajawarembang | Favourite byte | 20 | |
| ricardoaquino | Finding Flags | 2 | |
| darththucydides | Saying Hello | 20 | |
| anarcheuz | Honest Verifier Zero Knowledge | 30 | |
| darththucydides | Privacy-Enhanced Mail? | 25 | |
| darththucydides | You either know, XOR you don't | 30 | |
| darththucydides | Extended GCD | 20 | |
| anarcheuz | Special Soundness | 25 | |
| saisoma123 | Legendre Symbol | 35 | |
| nihhajawarembang | XOR Properties | 15 | |
| saisoma123 | Quadratic Residues | 25 | |
| anarcheuz | Proofs of Knowledge | 20 | |
| daemon1 | Finding Flags | 2 | |
| Superior | FaILProof (SekaiCTF) | 0 | |
| 333 | Bytes and Big Integers | 10 | |
| olikere15 | ASCII | 5 | |
| cattacker_1337 | Base64 | 10 | |
| kieugiathinhphat | Generators of Groups | 20 | |
| BinaryGreenhouse | Finding Flags | 2 | |
| ShadowLord47 | XOR Properties | 15 | |
| kieugiathinhphat | Working with Fields | 10 | |
| ShadowLord47 | XOR Starter | 10 | |
| ShadowLord47 | Bytes and Big Integers | 10 | |
| ShadowLord47 | Base64 | 10 | |
| ShadowLord47 | Hex | 5 | |
| Huyyeuthu2104 | Endless Emails | 150 | |
| ShadowLord47 | ASCII | 5 | |
| MrD | ECB Oracle | 60 | |
| ShadowLord47 | Great Snakes | 3 | |
| ShadowLord47 | Finding Flags | 2 | |
| Thekiller | ASCII | 5 | |
| Thekiller | Great Snakes | 3 | |
| Thekiller | Finding Flags | 2 | |
| armandokumani | You either know, XOR you don't | 30 | |
| armandokumani | Favourite byte | 20 | |
| armandokumani | XOR Properties | 15 | |
| armandokumani | XOR Starter | 10 | |
| armandokumani | Encoding Challenge | 40 | |
| LvKNnT | LWE Intro | 10 | |
| armandokumani | Bytes and Big Integers | 10 | |
| armandokumani | Base64 | 10 | |
| LvKNnT | LWE Background | 5 |
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