| Date | User | Challenge | Score |
| fjukh7872 | Seventy-Two | 50 | |
| fadhil_fs | Private Keys | 20 | |
| fadhil_fs | Euler's Totient | 20 | |
| admininstrator | Great Snakes | 3 | |
| ardysr23 | ASCII | 5 | |
| Usnoh | You either know, XOR you don't | 30 | |
| yoktoy | Great Snakes | 3 | |
| asmah | Bytes and Big Integers | 10 | |
| BOUCHERARA | Modular Arithmetic 1 | 20 | |
| fadhil_fs | Public Keys | 15 | |
| fadhil_fs | Modular Exponentiation | 10 | |
| Nigrogment | Hex | 5 | |
| Nurkabyl | Hex | 5 | |
| Nurkabyl | ASCII | 5 | |
| TeraP | Legendre Symbol | 35 | |
| ardysr23 | Great Snakes | 3 | |
| Nurkabyl | Great Snakes | 3 | |
| Hvides | Bytes and Big Integers | 10 | |
| asmah | Base64 | 10 | |
| Nurkabyl | Finding Flags | 2 | |
| yoktoy | Finding Flags | 2 | |
| Nigrogment | ASCII | 5 | |
| patatasflitas | Quadratic Residues | 25 | |
| Z3U55 | Static Client | 100 | |
| BOUCHERARA | Extended GCD | 20 | |
| Nigrogment | Great Snakes | 3 | |
| Chastityj | Finding Flags | 2 | |
| Nigrogment | Finding Flags | 2 | |
| ardysr23 | Finding Flags | 2 | |
| ahmetbarisakgul | Base64 | 10 | |
| aloof | Rhetorical Oracle | 100 | |
| asmah | Hex | 5 | |
| OwwlLin | Extended GCD | 20 | |
| karthiksiky | Extended GCD | 20 | |
| ahmetbarisakgul | Hex | 5 | |
| sanDer153 | Favourite byte | 20 | |
| fjukh7872 | Common Ground | 75 | |
| Serpil | Base64 | 10 | |
| 4928trs | ASCII | 5 | |
| asmah | ASCII | 5 | |
| betulaltinsoy | Hex | 5 | |
| Serpil | Hex | 5 | |
| demonbazillionz | Great Snakes | 3 | |
| asmah | Great Snakes | 3 | |
| ahmetbarisakgul | ASCII | 5 | |
| demonbazillionz | Finding Flags | 2 | |
| admininstrator | Finding Flags | 2 | |
| patatasflitas | Modular Inverting | 25 | |
| GTA14 | Resisting Bruteforce | 10 | |
| GTA14 | Keyed Permutations | 5 |
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