| Date | User | Challenge | Score |
| JEBALL | Great Snakes | 3 | |
| CrankyPants | Curveball | 100 | |
| ForcedWings | ECB CBC WTF | 55 | |
| ForcedWings | ECB Oracle | 60 | |
| ForcedWings | Passwords as Keys | 50 | |
| ForcedWings | Modes of Operation Starter | 15 | |
| LACiA | Nothing Up My Sleeve | 150 | |
| ForcedWings | Bringing It All Together | 50 | |
| Regnm0ln1 | ProSign 3 | 100 | |
| NewLearner20 | ASCII | 5 | |
| khatiwadakshitiz | Modular Inverting | 25 | |
| ForcedWings | Diffusion through Permutation | 30 | |
| ForcedWings | Confusion through Substitution | 25 | |
| ForcedWings | Round Keys | 20 | |
| ForcedWings | Structure of AES | 15 | |
| NewLearner20 | Great Snakes | 3 | |
| ForcedWings | Resisting Bruteforce | 10 | |
| ForcedWings | Keyed Permutations | 5 | |
| NewLearner20 | Finding Flags | 2 | |
| NortonCon | Moving Problems | 150 | |
| khatiwadakshitiz | Modular Arithmetic 2 | 20 | |
| NortonCon | ProSign 3 | 100 | |
| sphickson | XOR Starter | 10 | |
| NortonCon | Curveball | 100 | |
| NortonCon | Smooth Criminal | 60 | |
| NortonCon | Montgomery's Ladder | 40 | |
| NortonCon | Efficient Exchange | 50 | |
| NortonCon | Curves and Logs | 40 | |
| NortonCon | Scalar Multiplication | 35 | |
| NortonCon | Point Addition | 30 | |
| NortonCon | Point Negation | 10 | |
| NortonCon | Background Reading | 5 | |
| khatiwadakshitiz | Modular Arithmetic 1 | 20 | |
| NortonCon | Export-grade | 100 | |
| NortonCon | Parameter Injection | 60 | |
| Chip | Base64 | 10 | |
| sealmove | CTRIME | 70 | |
| khatiwadakshitiz | Extended GCD | 20 | |
| Chip | Hex | 5 | |
| Chip | ASCII | 5 | |
| sphickson | Bytes and Big Integers | 10 | |
| GiorgiEzu | Bean Counter | 60 | |
| slycro | Moving Problems | 150 | |
| GiorgiEzu | Symmetry | 50 | |
| khatiwadakshitiz | Greatest Common Divisor | 15 | |
| NortonCon | Deriving Symmetric Keys | 40 | |
| NortonCon | Computing Shared Secrets | 30 | |
| NortonCon | Computing Public Values | 25 | |
| NortonCon | Generators of Groups | 20 | |
| NortonCon | Working with Fields | 10 |
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