| Date | User | Challenge | Score |
| AGO83 | Extended GCD | 20 | |
| lcs | Private Keys | 20 | |
| lcs | Euler's Totient | 20 | |
| lcs | Public Keys | 15 | |
| lcs | Modular Exponentiation | 10 | |
| GreenTarhun | Great Snakes | 3 | |
| GreenTarhun | Finding Flags | 2 | |
| Pretam | Bytes and Big Integers | 10 | |
| etcetera | Greatest Common Divisor | 15 | |
| XXCitzenXX | Hex | 5 | |
| SamaTGD | Greatest Common Divisor | 15 | |
| Dessert | Jack's Birthday Confusion | 30 | |
| mutiara | Diffusion through Permutation | 30 | |
| mutiara | Modes of Operation Starter | 15 | |
| Dessert | Jack's Birthday Hash | 20 | |
| mutiara | Confusion through Substitution | 25 | |
| mutiara | Round Keys | 20 | |
| mutiara | Structure of AES | 15 | |
| mutiara | Resisting Bruteforce | 10 | |
| mutiara | Keyed Permutations | 5 | |
| sntt | Greatest Common Divisor | 15 | |
| 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 |
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