| Date | User | Challenge | Score |
| Pretam | Base64 | 10 | |
| flourdumpling | Finding Flags | 2 | |
| UMCA | ASCII | 5 | |
| ROPShade | You either know, XOR you don't | 30 | |
| ROPShade | Favourite byte | 20 | |
| Jamil601 | Base64 | 10 | |
| mingi1178 | Manyprime | 40 | |
| ROPShade | XOR Properties | 15 | |
| Dark_Knight_Hero | XOR Properties | 15 | |
| Moreno_Mozza_P | Favourite byte | 20 | |
| alex_dranoel | Favourite byte | 20 | |
| Moreno_Mozza_P | XOR Properties | 15 | |
| Moreno_Mozza_P | XOR Starter | 10 | |
| Moreno_Mozza_P | Bytes and Big Integers | 10 | |
| Dark_Knight_Hero | XOR Starter | 10 | |
| AndreaMuscarella | Hash Stuffing | 50 | |
| Moreno_Mozza_P | Base64 | 10 | |
| alex_dranoel | XOR Properties | 15 | |
| ROPShade | XOR Starter | 10 | |
| Pretam | Hex | 5 | |
| Moreno_Mozza_P | Hex | 5 | |
| Moreno_Mozza_P | ASCII | 5 | |
| Moreno_Mozza_P | Great Snakes | 3 | |
| Provzzy | Bean Counter | 60 | |
| UMCA | Great Snakes | 3 | |
| zain110506 | Modular Inverting | 25 | |
| Provzzy | Symmetry | 50 | |
| zain110506 | Modular Arithmetic 2 | 20 | |
| sdigs | Static Client | 100 | |
| Moreno_Mozza_P | Finding Flags | 2 | |
| Provzzy | Flipping Cookie | 60 | |
| zain110506 | Modular Arithmetic 1 | 20 | |
| UMCA | Finding Flags | 2 | |
| Pretam | ASCII | 5 | |
| mingi1178 | Square Eyes | 35 | |
| zain110506 | Extended GCD | 20 | |
| Jamil601 | Hex | 5 | |
| mingi1178 | Monoprime | 30 | |
| Pretam | Great Snakes | 3 | |
| TheLPSC | Passwords as Keys | 50 | |
| Pretam | Finding Flags | 2 | |
| Jamil601 | ASCII | 5 | |
| mingi1178 | Inferius Prime | 30 | |
| Mohammad28 | XOR Starter | 10 | |
| ROPShade | Bytes and Big Integers | 10 | |
| zph | RSA Decryption | 20 | |
| CryptoBro | Deriving Symmetric Keys | 40 | |
| TheLPSC | Modes of Operation Starter | 15 | |
| zph | Private Keys | 20 | |
| voidwalker051 | Finding Flags | 2 |
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