| Date | User | Challenge | Score |
| HoangNhoo | Computing Shared Secrets | 30 | |
| HoangNhoo | Computing Public Values | 25 | |
| HoangNhoo | Generators of Groups | 20 | |
| turska | Point Negation | 10 | |
| polybius | Great Snakes | 3 | |
| Rose_Virus | Great Snakes | 3 | |
| polybius | Finding Flags | 2 | |
| Anary | Passwords as Keys | 50 | |
| luucmeldgaard | Greatest Common Divisor | 15 | |
| mortac | RRSSAA (ECSC 2023 (Norway)) | 0 | |
| aedraline | Base64 | 10 | |
| aedraline | Hex | 5 | |
| ShaharHam | Finding Flags | 2 | |
| aedraline | ASCII | 5 | |
| aedraline | Great Snakes | 3 | |
| aedraline | Finding Flags | 2 | |
| HoangNhoo | Working with Fields | 10 | |
| kev6 | Extended GCD | 20 | |
| Anary | Modes of Operation Starter | 15 | |
| HoangNhoo | Modulus Inutilis | 50 | |
| maksushka | LWE Low Bits Message | 20 | |
| Anary | Bringing It All Together | 50 | |
| Anary | Diffusion through Permutation | 30 | |
| Anary | Confusion through Substitution | 25 | |
| Anary | Round Keys | 20 | |
| xz3r0 | ASCII | 5 | |
| Anary | Structure of AES | 15 | |
| HoangNhoo | Salty | 20 | |
| Anary | Resisting Bruteforce | 10 | |
| luucmeldgaard | You either know, XOR you don't | 30 | |
| Anary | Keyed Permutations | 5 | |
| HoangNhoo | Manyprime | 40 | |
| nicocamba | ASCII | 5 | |
| xz3r0 | Great Snakes | 3 | |
| nicocamba | Great Snakes | 3 | |
| xz3r0 | Finding Flags | 2 | |
| nicocamba | Finding Flags | 2 | |
| kev6 | Greatest Common Divisor | 15 | |
| HoangNhoo | Monoprime | 30 | |
| HoangNhoo | Factoring | 15 | |
| KevC | Public Keys | 15 | |
| KevC | Modular Exponentiation | 10 | |
| luucmeldgaard | Favourite byte | 20 | |
| demr | From Private to Public Key LWE | 25 | |
| S0laReX | Bytes and Big Integers | 10 | |
| demr | LWE Low Bits Message | 20 | |
| luucmeldgaard | XOR Properties | 15 | |
| amani_koros | ASCII | 5 | |
| kev6 | You either know, XOR you don't | 30 | |
| Dimitris_Toulis | Cofactor Cofantasy | 150 |
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