| Date | User | Challenge | Score |
| oth | ASCII | 5 | |
| elbasel | ASCII | 5 | |
| elbasel | Great Snakes | 3 | |
| oth | Great Snakes | 3 | |
| oth | Finding Flags | 2 | |
| biancardesouza | Export-grade | 100 | |
| biancardesouza | Parameter Injection | 60 | |
| biancardesouza | Deriving Symmetric Keys | 40 | |
| biancardesouza | Computing Shared Secrets | 30 | |
| Qu1n7as | ECB CBC WTF | 55 | |
| ayemstilindur | Finding Flags | 2 | |
| biancardesouza | Computing Public Values | 25 | |
| myrrhderous | Quadratic Residues | 25 | |
| biancardesouza | Generators of Groups | 20 | |
| biancardesouza | Working with Fields | 10 | |
| reutoelboum | ASCII | 5 | |
| biancardesouza | Modulus Inutilis | 50 | |
| biancardesouza | Salty | 20 | |
| biancardesouza | Manyprime | 40 | |
| biancardesouza | Monoprime | 30 | |
| biancardesouza | Factoring | 15 | |
| lcalvie | Everything is Big | 70 | |
| vic1208 | Modes of Operation Starter | 15 | |
| katedawagan | XOR Starter | 10 | |
| katedawagan | Bytes and Big Integers | 10 | |
| Qu1n7as | Passwords as Keys | 50 | |
| biancardesouza | RSA Signatures | 25 | |
| biancardesouza | RSA Decryption | 20 | |
| biancardesouza | Private Keys | 20 | |
| biancardesouza | Euler's Totient | 20 | |
| biancardesouza | Public Keys | 15 | |
| nadirh | Introduction to Isogenies | 10 | |
| vic1208 | Bringing It All Together | 50 | |
| fatsquid | Bytes and Big Integers | 10 | |
| biancardesouza | Modular Exponentiation | 10 | |
| dmont24 | Hex | 5 | |
| biancardesouza | Bean Counter | 60 | |
| katedawagan | Chinese Remainder Theorem | 40 | |
| ch4tbl4nc | Greatest Common Divisor | 15 | |
| fatsquid | Base64 | 10 | |
| biancardesouza | Symmetry | 50 | |
| reutoelboum | JWT Sessions | 10 | |
| biancardesouza | Flipping Cookie | 60 | |
| biancardesouza | ECB CBC WTF | 55 | |
| Qu1n7as | Modes of Operation Starter | 15 | |
| biancardesouza | ECB Oracle | 60 | |
| biancardesouza | Passwords as Keys | 50 | |
| biancardesouza | Modes of Operation Starter | 15 | |
| biancardesouza | Bringing It All Together | 50 | |
| biancardesouza | Diffusion through Permutation | 30 |
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