| Date | User | Challenge | Score |
| Cryptic_Hermoine | Finding Flags | 2 | |
| rugolot | Private Keys | 20 | |
| kieugiathinhphat | Broken RSA | 100 | |
| YousSphinx | From Private to Public Key LWE | 25 | |
| YousSphinx | LWE Low Bits Message | 20 | |
| DaiFaling1 | Finding Flags | 2 | |
| shurayz | Let's Decrypt | 80 | |
| nikiolga9 | Base64 | 10 | |
| YousSphinx | LWE High Bits Message | 15 | |
| nikiolga9 | Hex | 5 | |
| nikiolga9 | ASCII | 5 | |
| nk0 | Edwards Goes Degenerate | 100 | |
| reezyout | Bytes and Big Integers | 10 | |
| hea | Finding Flags | 2 | |
| nikiolga9 | Finding Flags | 2 | |
| bucwanha | Resisting Bruteforce | 10 | |
| bucwanha | Keyed Permutations | 5 | |
| YousSphinx | LWE Intro | 10 | |
| Hina845 | Extended GCD | 20 | |
| ewn | Hex | 5 | |
| ewn | ASCII | 5 | |
| 10ball | Hex | 5 | |
| bucwanha | Modular Arithmetic 1 | 20 | |
| ewn | Network Attacks | 5 | |
| helent | Adrien's Signs | 80 | |
| ewn | Great Snakes | 3 | |
| ewn | Finding Flags | 2 | |
| Regnm0ln1 | Flipping Cookie | 60 | |
| CYCcc | Base64 | 10 | |
| yagami | Hex | 5 | |
| YousSphinx | LWE Background | 5 | |
| CYCcc | Hex | 5 | |
| Ornichron | Introduction to Isogenies | 10 | |
| CYCcc | ASCII | 5 | |
| yagami | ASCII | 5 | |
| Yosof_72 | Endless Emails | 150 | |
| CYCcc | Great Snakes | 3 | |
| yagami | Great Snakes | 3 | |
| Fahrul | Special Soundness | 25 | |
| hjjjk78 | Euler's Totient | 20 | |
| Aparaititos | Round Keys | 20 | |
| Ornichron | Point Negation | 10 | |
| yagami | Finding Flags | 2 | |
| 2uerti | Modular Square Root | 35 | |
| Ornichron | Background Reading | 5 | |
| fAttel | Base64 | 10 | |
| glitchcat | Modes of Operation Starter | 15 | |
| hjjjk78 | Public Keys | 15 | |
| CYCcc | Finding Flags | 2 | |
| hjjjk78 | Modular Exponentiation | 10 |
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