| Date | User | Challenge | Score |
| muntazir_mehdi | Bytes and Big Integers | 10 | |
| muntazir_mehdi | Base64 | 10 | |
| popcorn | Base64 | 10 | |
| muntazir_mehdi | Hex | 5 | |
| muntazir_mehdi | ASCII | 5 | |
| muntazir_mehdi | Great Snakes | 3 | |
| muntazir_mehdi | Finding Flags | 2 | |
| JK_5002 | Great Snakes | 3 | |
| JK_5002 | Finding Flags | 2 | |
| handx | Factoring | 15 | |
| Ryanzqc | XOR Starter | 10 | |
| GhostYLP | Favourite byte | 20 | |
| handx | RSA Signatures | 25 | |
| Prajvinia | Base64 | 10 | |
| DoseWhisky | Great Snakes | 3 | |
| 2021lzy | Hex | 5 | |
| Prajvinia | Hex | 5 | |
| BlueIris | Hex | 5 | |
| handx | RSA Decryption | 20 | |
| handx | Private Keys | 20 | |
| handx | Euler's Totient | 20 | |
| handx | Public Keys | 15 | |
| Prajvinia | ASCII | 5 | |
| kingwin | ASCII | 5 | |
| handx | Modular Exponentiation | 10 | |
| elgasing21 | ECB Oracle | 60 | |
| DoseWhisky | Finding Flags | 2 | |
| BlueIris | ASCII | 5 | |
| pavveu | Let's Decrypt | 80 | |
| sawol | Base64 | 10 | |
| 2021lzy | ASCII | 5 | |
| pypy | Lazy CBC | 60 | |
| Jaster | Great Snakes | 3 | |
| BlueIris | Great Snakes | 3 | |
| GhostYLP | XOR Properties | 15 | |
| BlueIris | Finding Flags | 2 | |
| Jaster | Finding Flags | 2 | |
| kiki90668 | XOR Starter | 10 | |
| Ryanzqc | Bytes and Big Integers | 10 | |
| KamClam | Resisting Bruteforce | 10 | |
| kingwin | Great Snakes | 3 | |
| Vanooo | Favourite byte | 20 | |
| kingwin | Finding Flags | 2 | |
| sawol | Hex | 5 | |
| KamClam | Keyed Permutations | 5 | |
| handx | Bytes and Big Integers | 10 | |
| wangcongcong | Extended GCD | 20 | |
| funkyduk | Great Snakes | 3 | |
| wjaaaaaaat | ProSign 3 | 100 | |
| handx | Base64 | 10 |
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