| Date | User | Challenge | Score |
| oneteahoney | Finding Flags | 2 | |
| ds0xxd3r | Great Snakes | 3 | |
| lomilomi | Bytes and Big Integers | 10 | |
| deep07 | Modular Square Root | 35 | |
| zhubat | Adrien's Signs | 80 | |
| ds0xxd3r | Finding Flags | 2 | |
| Unknown_Entity | You either know, XOR you don't | 30 | |
| deep07 | Legendre Symbol | 35 | |
| liameymmud | Bytes and Big Integers | 10 | |
| LUKEKELLIE | Base64 | 10 | |
| Unknown_Entity | Favourite byte | 20 | |
| CastorJr | Background Reading | 5 | |
| liameymmud | Base64 | 10 | |
| serlorsx | Quo vadis? (ECSC 2024 (Italy)) | 0 | |
| liameymmud | Hex | 5 | |
| jaiveersingh | Modular Square Root | 35 | |
| r10_j4mu | Base64 | 10 | |
| zhubat | Structure of AES | 15 | |
| liangmeigang | Micro Transmissions | 120 | |
| r10_j4mu | Hex | 5 | |
| cryptoRiO | Montgomery's Ladder | 40 | |
| dlhxfy | Modular Square Root | 35 | |
| zhubat | Resisting Bruteforce | 10 | |
| LUKEKELLIE | Hex | 5 | |
| zhubat | Keyed Permutations | 5 | |
| Unknown_Entity | XOR Properties | 15 | |
| cryptoRiO | ProSign 3 | 100 | |
| jj24 | Exceptional Curves | 100 | |
| YWzhong | RSA Signatures | 25 | |
| phat1911 | Hash Stuffing | 50 | |
| deep07 | Quadratic Residues | 25 | |
| cranky_cactus | ASCII | 5 | |
| rad0xus | Quadratic Residues | 25 | |
| Unknown_Entity | XOR Starter | 10 | |
| oxlulz | XOR Starter | 10 | |
| deep07 | Modular Inverting | 25 | |
| chzz | Finding Flags | 2 | |
| oxlulz | Bytes and Big Integers | 10 | |
| LUKEKELLIE | ASCII | 5 | |
| YWzhong | RSA Decryption | 20 | |
| Unknown_Entity | Bytes and Big Integers | 10 | |
| rad0xus | Modular Inverting | 25 | |
| serlorsx | Smithing contest (ECSC 2024 (Italy)) | 0 | |
| LUKEKELLIE | Great Snakes | 3 | |
| rad0xus | Modular Arithmetic 2 | 20 | |
| YWzhong | Private Keys | 20 | |
| YWzhong | Euler's Totient | 20 | |
| Unknown_Entity | Base64 | 10 | |
| rad0xus | Modular Arithmetic 1 | 20 | |
| YWzhong | Public Keys | 15 |
You are now level Current level