| Date | User | Challenge | Score |
| chahinaze | Chinese Remainder Theorem | 40 | |
| Agam | Finding Flags | 2 | |
| kraksenz | Base64 | 10 | |
| arianak | Private Keys | 20 | |
| m4rked | Triple DES | 60 | |
| liloita | Finding Flags | 2 | |
| 0dayStark | XOR Starter | 10 | |
| Damsssss | Common Ground | 75 | |
| chahinaze | Modular Square Root | 35 | |
| snkt | Modular Arithmetic 2 | 20 | |
| arianak | Public Keys | 15 | |
| hibaahmer | Bytes and Big Integers | 10 | |
| alisss09 | Point Addition | 30 | |
| alisss09 | Point Negation | 10 | |
| kraksenz | Hex | 5 | |
| snkt | Modular Arithmetic 1 | 20 | |
| johann507 | Bytes and Big Integers | 10 | |
| Yusif1662006 | Finding Flags | 2 | |
| alisss09 | RSA Signatures | 25 | |
| Slavonishe | Diffusion through Permutation | 30 | |
| chahinaze | Legendre Symbol | 35 | |
| kraksenz | ASCII | 5 | |
| hibaahmer | Base64 | 10 | |
| RishiSejpal | Hex | 5 | |
| kraksenz | Great Snakes | 3 | |
| kraksenz | Finding Flags | 2 | |
| hibaahmer | Hex | 5 | |
| smart2 | The Matrix Revolutions | 125 | |
| smart2 | The Matrix Reloaded | 100 | |
| smart2 | The Matrix | 75 | |
| smart2 | Script Kiddie | 70 | |
| smart2 | Static Client 2 | 120 | |
| smart2 | Additive | 70 | |
| smart2 | Static Client | 100 | |
| smart2 | Export-grade | 100 | |
| RishiSejpal | ASCII | 5 | |
| smart2 | Parameter Injection | 60 | |
| hibaahmer | ASCII | 5 | |
| smart2 | Deriving Symmetric Keys | 40 | |
| smart2 | Computing Shared Secrets | 30 | |
| Raspberry | Modulus Inutilis | 50 | |
| smart2 | Computing Public Values | 25 | |
| smart2 | Generators of Groups | 20 | |
| smart2 | Working with Fields | 10 | |
| smart2 | Let's Decrypt Again | 175 | |
| smart2 | Vote for Pedro | 150 | |
| smart2 | Blinding Light | 120 | |
| smart2 | Let's Decrypt | 80 | |
| RishiSejpal | Great Snakes | 3 | |
| smart2 | Signing Server | 60 |
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