| Date | User | Challenge | Score |
| silentRoar | Computing Shared Secrets | 30 | |
| pilotjoker999 | ECB CBC WTF | 55 | |
| Cowkim | Adrien's Signs | 80 | |
| gwpro | Collider | 50 | |
| mmzjqx | Modular Binomials | 80 | |
| ABOUBAKR27 | Efficient Exchange | 50 | |
| burdock | Invariant | 250 | |
| hyoonqt | RSA Decryption | 20 | |
| mmzjqx | Adrien's Signs | 80 | |
| burdock | Confusion through Substitution | 25 | |
| burdock | Round Keys | 20 | |
| burdock | Structure of AES | 15 | |
| burdock | Resisting Bruteforce | 10 | |
| burdock | Keyed Permutations | 5 | |
| silentRoar | Computing Public Values | 25 | |
| Zerolix | Finding Flags | 2 | |
| DavidTruong | Parameter Injection | 60 | |
| silentRoar | Generators of Groups | 20 | |
| Aakash_Tarang | Montgomery's Ladder | 40 | |
| pcy0559 | Base64 | 10 | |
| hyoonqt | Private Keys | 20 | |
| Arriccio | Structure of AES | 15 | |
| pcy0559 | Hex | 5 | |
| mmzjqx | Chinese Remainder Theorem | 40 | |
| abilseno11 | Base64 | 10 | |
| abilseno11 | Hex | 5 | |
| geovani | Greatest Common Divisor | 15 | |
| abilseno11 | ASCII | 5 | |
| coco_kinggrandma | Greatest Common Divisor | 15 | |
| silentRoar | Working with Fields | 10 | |
| emquantapgym | Keyed Permutations | 5 | |
| abilseno11 | Great Snakes | 3 | |
| geovani | Great Snakes | 3 | |
| abilseno11 | Finding Flags | 2 | |
| pcy0559 | ASCII | 5 | |
| Juriaa | Structure of AES | 15 | |
| lebigjc | Finding Flags | 2 | |
| xydraa | RSA Decryption | 20 | |
| anchi1228 | Keyed Permutations | 5 | |
| Gokongggggggg | Greatest Common Divisor | 15 | |
| pcy0559 | Great Snakes | 3 | |
| geovani | Finding Flags | 2 | |
| pcy0559 | Finding Flags | 2 | |
| User0069 | Broken RSA | 100 | |
| rokhayaa | Hex | 5 | |
| ireng | Structure of AES | 15 | |
| Saschatouille | Authenticated Handshake | 40 | |
| LinusL | Bringing It All Together | 50 | |
| Yu_212 | Missing Modulus | 80 | |
| B3k | XOR Starter | 10 |
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