| Date | User | Challenge | Score |
| JihanFadhilah | Modular Arithmetic 2 | 20 | |
| Taras_098772 | Smooth Criminal | 60 | |
| 0xd506a | ASCII | 5 | |
| JihanFadhilah | Modular Inverting | 25 | |
| 0xd506a | Great Snakes | 3 | |
| labcoxyzl | Functional (ICC Athens) | 0 | |
| RoseSkull | XOR Starter | 10 | |
| rootedX | Round Keys | 20 | |
| 0xd506a | Finding Flags | 2 | |
| Alan233 | Modular Inverting | 25 | |
| Alan233 | Modular Arithmetic 2 | 20 | |
| palii_dmitrii | Bean Counter | 60 | |
| Taras_098772 | Montgomery's Ladder | 40 | |
| JihanFadhilah | You either know, XOR you don't | 30 | |
| palii_dmitrii | Symmetry | 50 | |
| palii_dmitrii | Flipping Cookie | 60 | |
| palii_dmitrii | ECB CBC WTF | 55 | |
| palii_dmitrii | ECB Oracle | 60 | |
| palii_dmitrii | Passwords as Keys | 50 | |
| palii_dmitrii | Modes of Operation Starter | 15 | |
| palii_dmitrii | Bringing It All Together | 50 | |
| palii_dmitrii | Diffusion through Permutation | 30 | |
| palii_dmitrii | Confusion through Substitution | 25 | |
| palii_dmitrii | Round Keys | 20 | |
| palii_dmitrii | Structure of AES | 15 | |
| palii_dmitrii | Resisting Bruteforce | 10 | |
| palii_dmitrii | Keyed Permutations | 5 | |
| Taras_098772 | Efficient Exchange | 50 | |
| Taras_098772 | Curves and Logs | 40 | |
| Alan233 | Modular Arithmetic 1 | 20 | |
| Taras_098772 | Scalar Multiplication | 35 | |
| rootedX | Structure of AES | 15 | |
| Taras_098772 | Point Addition | 30 | |
| abcd54234546245 | Resisting Bruteforce | 10 | |
| Taras_098772 | Point Negation | 10 | |
| Taras_098772 | Background Reading | 5 | |
| palii_dmitrii | Export-grade | 100 | |
| palii_dmitrii | Parameter Injection | 60 | |
| palii_dmitrii | Deriving Symmetric Keys | 40 | |
| palii_dmitrii | Computing Shared Secrets | 30 | |
| SanchezSquad | Flipping Cookie | 60 | |
| palii_dmitrii | Computing Public Values | 25 | |
| palii_dmitrii | Generators of Groups | 20 | |
| Alan233 | Extended GCD | 20 | |
| palii_dmitrii | Working with Fields | 10 | |
| the_og | Great Snakes | 3 | |
| palii_dmitrii | Modulus Inutilis | 50 | |
| palii_dmitrii | Salty | 20 | |
| palii_dmitrii | Manyprime | 40 | |
| palii_dmitrii | Monoprime | 30 |
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