| Date | User | Challenge | Score |
| bhanuPathak | Modes of Operation Starter | 15 | |
| kushsmhsmh | You either know, XOR you don't | 30 | |
| pafcio | Pad Thai | 80 | |
| SB112 | Find the Lattice | 100 | |
| konradsz3 | Working with Fields | 10 | |
| davidhbookclub | Modulus Inutilis | 50 | |
| kushsmhsmh | Favourite byte | 20 | |
| jerwas | Decrypting TLS 1.3 | 35 | |
| JmieJ | Monoprime | 30 | |
| Magnuswj | Null or Never | 100 | |
| CamilleFerros | Diffusion through Permutation | 30 | |
| jerwas | Decrypting TLS 1.2 | 30 | |
| kushsmhsmh | XOR Properties | 15 | |
| JmieJ | Curves and Logs | 40 | |
| FST | Diffusion through Permutation | 30 | |
| kushsmhsmh | XOR Starter | 10 | |
| DemiGodLokiI321 | Finding Flags | 2 | |
| JmieJ | Scalar Multiplication | 35 | |
| JmieJ | Point Addition | 30 | |
| davidhbookclub | Salty | 20 | |
| kushsmhsmh | Bytes and Big Integers | 10 | |
| JmieJ | Point Negation | 10 | |
| JmieJ | Background Reading | 5 | |
| JmieJ | Factoring | 15 | |
| JmieJ | RSA Signatures | 25 | |
| haqqi | Base64 | 10 | |
| JmieJ | RSA Decryption | 20 | |
| JmieJ | Private Keys | 20 | |
| JmieJ | Euler's Totient | 20 | |
| kushsmhsmh | Base64 | 10 | |
| JmieJ | You either know, XOR you don't | 30 | |
| pafcio | Dancing Queen | 120 | |
| caneera | Round Keys | 20 | |
| FatimaDY | Confusion through Substitution | 25 | |
| hack_use_math | Greatest Common Divisor | 15 | |
| JmieJ | Bean Counter | 60 | |
| FatimaDY | Diffusion through Permutation | 30 | |
| caneera | Structure of AES | 15 | |
| FatimaDY | Bringing It All Together | 50 | |
| JmieJ | Symmetry | 50 | |
| vanessa_ivi | Bringing It All Together | 50 | |
| kushsmhsmh | Hex | 5 | |
| JmieJ | Flipping Cookie | 60 | |
| kushsmhsmh | ASCII | 5 | |
| dinostar100 | Confusion through Substitution | 25 | |
| JmieJ | ECB CBC WTF | 55 | |
| silentRoar | RSA Signatures | 25 | |
| ved_007 | Efficient Exchange | 50 | |
| kushsmhsmh | Great Snakes | 3 | |
| Constantin | Diffusion through Permutation | 30 |
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