| Date | User | Challenge | Score |
| taizo | Bytes and Big Integers | 10 | |
| Katiedragon | Bytes and Big Integers | 10 | |
| gKrust | XOR Starter | 10 | |
| NoiseX | Quadratic Residues | 25 | |
| anna03 | Extended GCD | 20 | |
| Mualani | You either know, XOR you don't | 30 | |
| MentalEtMuscle | XOR Starter | 10 | |
| zzzfangyuan | ASCII | 5 | |
| MentalEtMuscle | Bytes and Big Integers | 10 | |
| Prashant12 | Bringing It All Together | 50 | |
| MentalEtMuscle | Base64 | 10 | |
| Seventt | Factoring | 15 | |
| Prashant12 | Modular Inverting | 25 | |
| MentalEtMuscle | Hex | 5 | |
| Prashant12 | Modular Arithmetic 2 | 20 | |
| MentalEtMuscle | ASCII | 5 | |
| Prashant12 | Modular Arithmetic 1 | 20 | |
| Hawret | Greatest Common Divisor | 15 | |
| CarusoX | 2020 (TETCTF) | 0 | |
| MentalEtMuscle | Great Snakes | 3 | |
| Mualani | Favourite byte | 20 | |
| Prashant12 | Greatest Common Divisor | 15 | |
| nguyenmaihuyphat | Resisting Bruteforce | 10 | |
| M4th | ASCII | 5 | |
| Prashant12 | Lemur XOR | 40 | |
| Prashant12 | Favourite byte | 20 | |
| Prashant12 | You either know, XOR you don't | 30 | |
| Hawret | You either know, XOR you don't | 30 | |
| nguyenmaihuyphat | Keyed Permutations | 5 | |
| Prashant12 | XOR Properties | 15 | |
| MentalEtMuscle | Finding Flags | 2 | |
| Mr_Zero | Finding Flags | 2 | |
| Prashant12 | XOR Starter | 10 | |
| M4th | Great Snakes | 3 | |
| noncanonical | You either know, XOR you don't | 30 | |
| nguyenmaihuyphat | Modular Binomials | 80 | |
| 223874_Mark | Modular Binomials | 80 | |
| didin2026 | You either know, XOR you don't | 30 | |
| didin2026 | Favourite byte | 20 | |
| M4th | Finding Flags | 2 | |
| Mualani | XOR Properties | 15 | |
| CarusoX | 1337crypt (DownUnderCTF) | 0 | |
| 223874_Mark | Adrien's Signs | 80 | |
| didin2026 | XOR Properties | 15 | |
| Tranbmdlong | Chinese Remainder Theorem | 40 | |
| didin2026 | XOR Starter | 10 | |
| Prashant12 | Network Attacks | 5 | |
| didin2026 | Bytes and Big Integers | 10 | |
| didin2026 | Base64 | 10 | |
| 223874_Mark | Chinese Remainder Theorem | 40 |
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