| Date | User | Challenge | Score |
| rugolot | Manyprime | 40 | |
| bsvac | Adrien's Signs | 80 | |
| Dubcfrito | Point Addition | 30 | |
| bsvac | Successive Powers | 60 | |
| bsvac | Chinese Remainder Theorem | 40 | |
| Mutz | Base64 | 10 | |
| Teneeduu2 | Find the Lattice | 100 | |
| DonAsako | JSON in JSON | 40 | |
| bsvac | Modular Square Root | 35 | |
| bonpepe | Factoring | 15 | |
| Crayon | Modular Arithmetic 2 | 20 | |
| jarwhal | Modular Inverting | 25 | |
| Mutz | Hex | 5 | |
| panhrist | ECB Oracle | 60 | |
| DonAsako | RSA or HMAC? | 35 | |
| bsvac | Legendre Symbol | 35 | |
| Zachary | XOR Starter | 10 | |
| Mutz | ASCII | 5 | |
| nihhajawarembang | Round Keys | 20 | |
| bsvac | Quadratic Residues | 25 | |
| Crayon | Modular Arithmetic 1 | 20 | |
| Mutz | Great Snakes | 3 | |
| DonAsako | JWT Secrets | 25 | |
| bonpepe | RSA Signatures | 25 | |
| Mutz | Finding Flags | 2 | |
| Crayon | Extended GCD | 20 | |
| Floppy123 | CTRIME | 70 | |
| Sunnyyyy | Scalar Multiplication | 35 | |
| norahamu | XOR Starter | 10 | |
| nihhajawarembang | Resisting Bruteforce | 10 | |
| Floppy123 | Triple DES | 60 | |
| nihhajawarembang | Keyed Permutations | 5 | |
| PanagiotisK | XOR Starter | 10 | |
| norahamu | Bytes and Big Integers | 10 | |
| bonka135 | Base64 | 10 | |
| bsvac | Transparency | 50 | |
| bonka135 | Hex | 5 | |
| bsvac | SSH Keys | 35 | |
| bsvac | CERTainly not | 30 | |
| bsvac | Privacy-Enhanced Mail? | 25 | |
| bonka135 | ASCII | 5 | |
| Msaman | Finding Flags | 2 | |
| bsvac | Modular Inverting | 25 | |
| bsvac | Modular Arithmetic 2 | 20 | |
| bsvac | Modular Arithmetic 1 | 20 | |
| bsvac | Extended GCD | 20 | |
| bonka135 | Great Snakes | 3 | |
| bsvac | Greatest Common Divisor | 15 | |
| bonka135 | Finding Flags | 2 | |
| bsvac | Lemur XOR | 40 |
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