| Date | User | Challenge | Score |
| C207YMI | Bytes and Big Integers | 10 | |
| C207YMI | Base64 | 10 | |
| C207YMI | Hex | 5 | |
| 4R60 | Extended GCD | 20 | |
| C207YMI | ASCII | 5 | |
| madelino | Special Soundness | 25 | |
| malak13 | ASCII | 5 | |
| Cipherghost5 | ASCII | 5 | |
| dsferreira | Modular Inverting | 25 | |
| malak13 | Great Snakes | 3 | |
| malak13 | Finding Flags | 2 | |
| lube | Chinese Remainder Theorem | 40 | |
| obahya | Lemur XOR | 40 | |
| VS_G | ASCII | 5 | |
| agentjlrmt | Endless Emails | 150 | |
| Cipherghost5 | Great Snakes | 3 | |
| VS_G | Great Snakes | 3 | |
| astelor | LWE Low Bits Message | 20 | |
| f7kumoi | RSA Backdoor Viability | 175 | |
| rsa0236821 | The Good, The Pad, The Ugly | 100 | |
| Cipherghost5 | Finding Flags | 2 | |
| blackcatpurr | Finding Flags | 2 | |
| dsferreira | Modular Arithmetic 2 | 20 | |
| madelino | Proofs of Knowledge | 20 | |
| grasyaaAaa | XOR Starter | 10 | |
| dsferreira | Modular Arithmetic 1 | 20 | |
| mauricio04mh | Base64 | 10 | |
| Ronaks | ASCII | 5 | |
| lube | Modular Square Root | 35 | |
| astelor | LWE High Bits Message | 15 | |
| lmlA | Public Keys | 15 | |
| grasyaaAaa | Bytes and Big Integers | 10 | |
| HighestClimber | Deriving Symmetric Keys | 40 | |
| PAWOS | Real Eisenstein | 150 | |
| cri_rata | JWT Secrets | 25 | |
| 0xEMNA | Finding Flags | 2 | |
| M0xX | TLS Handshake | 15 | |
| lmlA | Modular Exponentiation | 10 | |
| sasasisi | Great Snakes | 3 | |
| jdev | Base64 | 10 | |
| sasasisi | Finding Flags | 2 | |
| Ronaks | Great Snakes | 3 | |
| mauricio04mh | Hex | 5 | |
| jdev | Hex | 5 | |
| Lukas99 | Finding Flags | 2 | |
| jdev | ASCII | 5 | |
| Wequra | Bean Counter | 60 | |
| Wequra | Symmetry | 50 | |
| grasyaaAaa | Base64 | 10 | |
| Wequra | Flipping Cookie | 60 |
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