| Date | User | Challenge | Score |
| Fahim_AF | Favourite byte | 20 | |
| notyou | Modes of Operation Starter | 15 | |
| herbertgarrison | Resisting Bruteforce | 10 | |
| Navcrow | Base64 | 10 | |
| herbertgarrison | Keyed Permutations | 5 | |
| marwa_31 | Finding Flags | 2 | |
| herbertgarrison | Network Attacks | 5 | |
| dharun2006 | ASCII | 5 | |
| Amro_Hussein | JWT Sessions | 10 | |
| mbj | Extended GCD | 20 | |
| dharun2006 | Great Snakes | 3 | |
| skidsstring | Extended GCD | 20 | |
| dharun2006 | Finding Flags | 2 | |
| Navcrow | Hex | 5 | |
| estherkaumbuthu | Modular Binomials | 80 | |
| waterMelonakdsfk | Diffusion through Permutation | 30 | |
| estherkaumbuthu | Adrien's Signs | 80 | |
| Amro_Hussein | Token Appreciation | 5 | |
| Fahim_AF | XOR Properties | 15 | |
| estherkaumbuthu | Chinese Remainder Theorem | 40 | |
| estherkaumbuthu | Modular Square Root | 35 | |
| Navcrow | ASCII | 5 | |
| Wienerboy | RSA Decryption | 20 | |
| DingoRad | Quadratic Residues | 25 | |
| dan_me | Modular Arithmetic 1 | 20 | |
| LEONE_NJENGE22 | Modular Binomials | 80 | |
| estherkaumbuthu | Legendre Symbol | 35 | |
| Wienerboy | Private Keys | 20 | |
| badru_abdulrahma | Modular Binomials | 80 | |
| MichaelMcN | Bytes and Big Integers | 10 | |
| estherkaumbuthu | Quadratic Residues | 25 | |
| Gabrielle | ASCII | 5 | |
| estherkaumbuthu | Modular Inverting | 25 | |
| badru_abdulrahma | Adrien's Signs | 80 | |
| Gabrielle | Great Snakes | 3 | |
| badru_abdulrahma | Chinese Remainder Theorem | 40 | |
| badru_abdulrahma | Modular Square Root | 35 | |
| badru_abdulrahma | Legendre Symbol | 35 | |
| MichaelMcN | Base64 | 10 | |
| I_Sirrko | Hex | 5 | |
| Navcrow | Great Snakes | 3 | |
| badru_abdulrahma | Quadratic Residues | 25 | |
| MichaelMcN | Hex | 5 | |
| badru_abdulrahma | Modular Inverting | 25 | |
| MichaelMcN | ASCII | 5 | |
| r3sbarra | Quadratic Residues | 25 | |
| Navcrow | Finding Flags | 2 | |
| badru_abdulrahma | Modular Arithmetic 2 | 20 | |
| ozfrommarz | Base64 | 10 | |
| Blunt4th | Base64 | 10 |
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