| Date | User | Challenge | Score |
| spade_ee | Extended GCD | 20 | |
| spade_ee | Greatest Common Divisor | 15 | |
| ahm0dg | Resisting Bruteforce | 10 | |
| spade_ee | You either know, XOR you don't | 30 | |
| wp7 | Hex | 5 | |
| JCooker | You either know, XOR you don't | 30 | |
| spade_ee | Favourite byte | 20 | |
| mohamed750boukh | Network Attacks | 5 | |
| ahm0dg | Keyed Permutations | 5 | |
| spade_ee | XOR Properties | 15 | |
| Danonek | XOR Starter | 10 | |
| SCHROBB | ECB Oracle | 60 | |
| ahm0dg | Legendre Symbol | 35 | |
| spade_ee | XOR Starter | 10 | |
| JCooker | Favourite byte | 20 | |
| Sho3la | Extended GCD | 20 | |
| pain1404 | Base64 | 10 | |
| SAATVIK | Montgomery's Ladder | 40 | |
| lgrr | You either know, XOR you don't | 30 | |
| HexSkadi | Favourite byte | 20 | |
| MrBurns43 | Bytes and Big Integers | 10 | |
| pain1404 | Hex | 5 | |
| lgrr | Favourite byte | 20 | |
| DvvvMC | Finding Flags | 2 | |
| pain1404 | ASCII | 5 | |
| spade_ee | Bytes and Big Integers | 10 | |
| evantampa129 | Keyed Permutations | 5 | |
| lgrr | XOR Properties | 15 | |
| pain1404 | Great Snakes | 3 | |
| pain1404 | Finding Flags | 2 | |
| MrBurns43 | Base64 | 10 | |
| small_worm | Lo-Hi Card Game | 120 | |
| HexSkadi | XOR Properties | 15 | |
| MrBurns43 | Hex | 5 | |
| lgrr | XOR Starter | 10 | |
| spade_ee | Base64 | 10 | |
| Janarthanan | Greatest Common Divisor | 15 | |
| mohatem06 | Salty | 20 | |
| lgrr | Bytes and Big Integers | 10 | |
| vamc_krishna22 | Greatest Common Divisor | 15 | |
| aravhacks | Quadratic Residues | 25 | |
| spade_ee | Hex | 5 | |
| MrBurns43 | ASCII | 5 | |
| JCooker | XOR Properties | 15 | |
| Amro_Hussein | Network Attacks | 5 | |
| AnantJain | Greatest Common Divisor | 15 | |
| MrBurns43 | Great Snakes | 3 | |
| AnantJain | You either know, XOR you don't | 30 | |
| MrBurns43 | Finding Flags | 2 | |
| siriusraven | Efficient Exchange | 50 |
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