| Date | User | Challenge | Score |
| snyagka | Round Keys | 20 | |
| dkwodjs | ASCII | 5 | |
| snyagka | Structure of AES | 15 | |
| snyagka | Resisting Bruteforce | 10 | |
| dkwodjs | Great Snakes | 3 | |
| snyagka | Keyed Permutations | 5 | |
| dkwodjs | Finding Flags | 2 | |
| R00tSeek3r | Favourite byte | 20 | |
| Rimsha1997 | Manyprime | 40 | |
| kurokaze | Noise Free | 40 | |
| Rimsha1997 | Monoprime | 30 | |
| Rimsha1997 | Factoring | 15 | |
| kurokaze | LWE High Bits Message | 15 | |
| kurokaze | LWE Low Bits Message | 20 | |
| snyagka | Transparency | 50 | |
| kurokaze | Trust Games | 150 | |
| GHL | Computing Public Values | 25 | |
| kurokaze | LFSR Destroyer | 250 | |
| kurokaze | Nothing Up My Sleeve | 150 | |
| Heheweliusz | Bytes and Big Integers | 10 | |
| GHL | Generators of Groups | 20 | |
| nguen | ECB CBC WTF | 55 | |
| GHL | Working with Fields | 10 | |
| GHL | Modulus Inutilis | 50 | |
| LvKNnT | Beatboxer | 150 | |
| anushree | Adrien's Signs | 80 | |
| GHL | Salty | 20 | |
| cuongsl | Adrien's Signs | 80 | |
| GHL | Manyprime | 40 | |
| rev_cryp | Quadratic Residues | 25 | |
| GHL | Monoprime | 30 | |
| GHL | Factoring | 15 | |
| GHL | RSA Signatures | 25 | |
| LBN789 | Extended GCD | 20 | |
| snyagka | SSH Keys | 35 | |
| CTFSlayer | Base64 | 10 | |
| snyagka | CERTainly not | 30 | |
| CryptoAI_Agent | Ticket Maestro | 200 | |
| nguen | ECB Oracle | 60 | |
| luhur | Great Snakes | 3 | |
| kurokaze | Jeff's LFSR | 150 | |
| Heheweliusz | Base64 | 10 | |
| luhur | Finding Flags | 2 | |
| Dishankov | XOR Starter | 10 | |
| kurokaze | No Leaks | 100 | |
| PanneerDosa | Structure of AES | 15 | |
| kurokaze | L-Win | 120 | |
| kurokaze | Lo-Hi Card Game | 120 | |
| Heheweliusz | Hex | 5 | |
| Evira | Network Attacks | 5 |
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