| Date | User | Challenge | Score |
| snizhanaantoshch | Point Negation | 10 | |
| snizhanaantoshch | Background Reading | 5 | |
| gochir69 | ECB CBC WTF | 55 | |
| gochir69 | ECB Oracle | 60 | |
| gochir69 | Passwords as Keys | 50 | |
| gochir69 | Modes of Operation Starter | 15 | |
| gochir69 | Bringing It All Together | 50 | |
| snizhanaantoshch | Export-grade | 100 | |
| snizhanaantoshch | Parameter Injection | 60 | |
| gochir69 | Diffusion through Permutation | 30 | |
| snizhanaantoshch | Deriving Symmetric Keys | 40 | |
| mutsuraev01 | Lazy CBC | 60 | |
| snizhanaantoshch | Computing Shared Secrets | 30 | |
| smclara2005 | ECB Oracle | 60 | |
| gochir69 | Confusion through Substitution | 25 | |
| snizhanaantoshch | Computing Public Values | 25 | |
| R0b1n | Round Keys | 20 | |
| gasmer | Point Addition | 30 | |
| snizhanaantoshch | Generators of Groups | 20 | |
| caffeine27 | Modes of Operation Starter | 15 | |
| gochir69 | Round Keys | 20 | |
| snizhanaantoshch | Working with Fields | 10 | |
| Inesa_Y | Moving Problems | 150 | |
| Inesa_Y | ProSign 3 | 100 | |
| snizhanaantoshch | Modulus Inutilis | 50 | |
| Inesa_Y | Curveball | 100 | |
| gochir69 | Structure of AES | 15 | |
| snizhanaantoshch | Salty | 20 | |
| Inesa_Y | Smooth Criminal | 60 | |
| huwang1308 | Finding Flags | 2 | |
| Frederik353 | RSA Signatures | 25 | |
| jungjaaae | Resisting Bruteforce | 10 | |
| gochir69 | Resisting Bruteforce | 10 | |
| gochir69 | Keyed Permutations | 5 | |
| snizhanaantoshch | Manyprime | 40 | |
| Kaguai | Montgomery's Ladder | 40 | |
| gochir69 | Modular Binomials | 80 | |
| replicateqw | Export-grade | 100 | |
| snizhanaantoshch | Monoprime | 30 | |
| jungjaaae | Keyed Permutations | 5 | |
| snizhanaantoshch | Factoring | 15 | |
| replicateqw | Parameter Injection | 60 | |
| snizhanaantoshch | RSA Signatures | 25 | |
| snizhanaantoshch | RSA Decryption | 20 | |
| Frederik353 | RSA Decryption | 20 | |
| snizhanaantoshch | Private Keys | 20 | |
| replicateqw | Deriving Symmetric Keys | 40 | |
| snizhanaantoshch | Euler's Totient | 20 | |
| snizhanaantoshch | Public Keys | 15 | |
| replicateqw | Computing Shared Secrets | 30 |
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