| Date | User | Challenge | Score |
| kabanchik_07 | Quadratic Residues | 25 | |
| pacillians | Deriving Symmetric Keys | 40 | |
| Guillermo | Inferius Prime | 30 | |
| LXl491214 | LWE High Bits Message | 15 | |
| usrname2008 | Structure of AES | 15 | |
| CY63Rx31173 | Quadratic Residues | 25 | |
| danielac | Finding Flags | 2 | |
| alpha_zer000 | Marin's Secrets | 50 | |
| alpha_zer000 | Infinite Descent | 50 | |
| Guillermo | Factoring | 15 | |
| Sparrow09 | Background Reading | 5 | |
| LXl491214 | LWE Intro | 10 | |
| LXl491214 | LWE Background | 5 | |
| Guillermo | RSA Signatures | 25 | |
| desa_05 | Bean Counter | 60 | |
| shadowisreal | Extended GCD | 20 | |
| pacillians | Computing Shared Secrets | 30 | |
| CY63Rx31173 | Modular Inverting | 25 | |
| shadowisreal | Greatest Common Divisor | 15 | |
| Dan1e1B | ECB Oracle | 60 | |
| alpha_zer000 | Everything is Still Big | 100 | |
| aboateng124 | Legendre Symbol | 35 | |
| shewitt2 | Extended GCD | 20 | |
| CY63Rx31173 | Modular Arithmetic 2 | 20 | |
| Anonymous4321 | Passwords as Keys | 50 | |
| pacillians | Computing Public Values | 25 | |
| alpha_zer000 | Crossed Wires | 100 | |
| skkra0 | Computing Public Values | 25 | |
| Anonymous4321 | Modes of Operation Starter | 15 | |
| Guillermo | RSA Decryption | 20 | |
| attackdefense | XOR Starter | 10 | |
| skkra0 | Generators of Groups | 20 | |
| CY63Rx31173 | Modular Arithmetic 1 | 20 | |
| ziriko | Great Snakes | 3 | |
| ziriko | Finding Flags | 2 | |
| Adapt | Favourite byte | 20 | |
| Guillermo | Private Keys | 20 | |
| pacillians | Generators of Groups | 20 | |
| Guillermo | Euler's Totient | 20 | |
| attackdefense | Bytes and Big Integers | 10 | |
| Adapt | XOR Properties | 15 | |
| ghaisan | Export-grade | 100 | |
| aliceAndBob | Pairing-Based Cryptography | 50 | |
| attackdefense | Base64 | 10 | |
| shadowisreal | Lemur XOR | 40 | |
| Guillermo | Public Keys | 15 | |
| attackdefense | Hex | 5 | |
| ghaisan | Parameter Injection | 60 | |
| attackdefense | ASCII | 5 | |
| Guillermo | Modular Exponentiation | 10 |
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