| Date | User | Challenge | Score |
| alzzz | RSA Signatures | 25 | |
| skadrock | Quo vadis? (ECSC 2024 (Italy)) | 0 | |
| RotaJakiro | Modular Square Root | 35 | |
| Yassmin | Base64 | 10 | |
| twisters50 | You either know, XOR you don't | 30 | |
| cyberpolyglot | Bytes and Big Integers | 10 | |
| V1ckey | Square Eyes | 35 | |
| cyberpolyglot | Base64 | 10 | |
| cyberpolyglot | Hex | 5 | |
| cyberpolyglot | ASCII | 5 | |
| V1ckey | Inferius Prime | 30 | |
| doublejue | Network Attacks | 5 | |
| alzzz | Factoring | 15 | |
| skadrock | One Round Crypto (ECSC 2024 (Italy)) | 0 | |
| panda35 | Hex | 5 | |
| panda35 | ASCII | 5 | |
| panda35 | Great Snakes | 3 | |
| panda35 | Finding Flags | 2 | |
| ARM4da | Greatest Common Divisor | 15 | |
| NAYO | Great Snakes | 3 | |
| galchapman | Micro Transmissions | 120 | |
| NAYO | Finding Flags | 2 | |
| Ninja0730 | Base64 | 10 | |
| doublejue | Export-grade | 100 | |
| pl4nkt0n | Bytes and Big Integers | 10 | |
| Felak | Network Attacks | 5 | |
| Nat28212704 | Private Keys | 20 | |
| Yassmin | Hex | 5 | |
| thaggs1066 | Signing Server | 60 | |
| jd3boots | Modular Square Root | 35 | |
| Yassmin | ASCII | 5 | |
| Yassmin | Great Snakes | 3 | |
| AbacateDoce | Hex | 5 | |
| AbacateDoce | ASCII | 5 | |
| AbacateDoce | Great Snakes | 3 | |
| QRms | What's a Lattice? | 40 | |
| AbacateDoce | Finding Flags | 2 | |
| Nat28212704 | Modular Exponentiation | 10 | |
| Felak | You either know, XOR you don't | 30 | |
| davidelchidoxd | You either know, XOR you don't | 30 | |
| QRms | Gram Schmidt | 30 | |
| Guillermo | Deriving Symmetric Keys | 40 | |
| Felak | Favourite byte | 20 | |
| SpectreDev | RSA Decryption | 20 | |
| Felak | XOR Properties | 15 | |
| QRms | Size and Basis | 15 | |
| Smallman | Great Snakes | 3 | |
| Smallman | Finding Flags | 2 | |
| drglitch | Base64 | 10 | |
| jd3boots | Legendre Symbol | 35 |
You are now level Current level