| Date | User | Challenge | Score |
| Kiograh_ | Base64 | 10 | |
| cmears615 | ASCII | 5 | |
| Kiograh_ | Hex | 5 | |
| Spliffbarneyby | Great Snakes | 3 | |
| Kiograh_ | ASCII | 5 | |
| HardxHard | Deriving Symmetric Keys | 40 | |
| Kiograh_ | Great Snakes | 3 | |
| Kiograh_ | Finding Flags | 2 | |
| akshaya_g | Hex | 5 | |
| akshaya_g | ASCII | 5 | |
| fatti | JWT Sessions | 10 | |
| aifrilnag0505 | Round Keys | 20 | |
| DRAGON59 | Great Snakes | 3 | |
| Spliffbarneyby | Finding Flags | 2 | |
| SanchezSquad | Vote for Pedro | 150 | |
| Metaknight | Base64 | 10 | |
| akshaya_g | Great Snakes | 3 | |
| cmears615 | Great Snakes | 3 | |
| aifrilnag0505 | Structure of AES | 15 | |
| DRAGON59 | Finding Flags | 2 | |
| akshaya_g | Finding Flags | 2 | |
| SanchezSquad | Blinding Light | 120 | |
| SanchezSquad | Let's Decrypt | 80 | |
| cmears615 | Finding Flags | 2 | |
| SanchezSquad | Signing Server | 60 | |
| HardxHard | Computing Shared Secrets | 30 | |
| Metaknight | Hex | 5 | |
| agnesilaban_ | Chinese Remainder Theorem | 40 | |
| SanchezSquad | Null or Never | 100 | |
| SanchezSquad | Bespoke Padding | 100 | |
| Metaknight | ASCII | 5 | |
| hakka52 | Dancing Queen | 120 | |
| gagas | RSA Decryption | 20 | |
| DieKung | Base64 | 10 | |
| Dxegoswift | Bytes and Big Integers | 10 | |
| sixsquareAI | Irish flan (ECSC 2023 (Norway)) | 0 | |
| DieKung | Hex | 5 | |
| SanchezSquad | Everything is Still Big | 100 | |
| SanchezSquad | Crossed Wires | 100 | |
| Grupo04MatAplic | JWT Sessions | 10 | |
| SanchezSquad | Everything is Big | 70 | |
| Mugac | Base64 | 10 | |
| DieKung | ASCII | 5 | |
| Dxegoswift | Base64 | 10 | |
| gagas | Private Keys | 20 | |
| sixsquareAI | Hide and seek (ECSC 2023 (Norway)) | 0 | |
| SanchezSquad | Modulus Inutilis | 50 | |
| Serioussam | Bytes and Big Integers | 10 | |
| Caliburnus | Finding Flags | 2 | |
| Floppy123 | Logon Zero | 80 |
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