| Date | User | Challenge | Score |
| nous | Hamiltonicity 2 | 175 | |
| asd123 | LWE Intro | 10 | |
| useless | Vectors | 10 | |
| asd123 | LWE Background | 5 | |
| WV | Greatest Common Divisor | 15 | |
| kxlbitos | Finding Flags | 2 | |
| KowalskiVan | OR Proof (CryptoHack) | 0 | |
| KowalskiVan | OR Proof | 75 | |
| windylight1704 | Base64 | 10 | |
| kw0n1 | Bytes and Big Integers | 10 | |
| ethanlany | Finding Flags | 2 | |
| r3mmi_y | Generators of Groups | 20 | |
| r3mmi_y | Computing Public Values | 25 | |
| r3mmi_y | Computing Shared Secrets | 30 | |
| r3mmi_y | Deriving Symmetric Keys | 40 | |
| nous | A True Genus | 175 | |
| VxRabbit | Salty | 20 | |
| Beethoven3 | Special Soundness | 25 | |
| nous | CSIDH Key Exchange | 90 | |
| KiraYoshi | You either know, XOR you don't | 30 | |
| Beethoven3 | Proofs of Knowledge | 20 | |
| kw0n1 | Base64 | 10 | |
| r3mmi_y | Working with Fields | 10 | |
| chronnatic | Finding Flags | 2 | |
| Beethoven3 | ZKP Introduction | 5 | |
| VxRabbit | Manyprime | 40 | |
| Beethoven3 | LWE High Bits Message | 15 | |
| KowalskiVan | DLOG on the Surface | 40 | |
| kw0n1 | Hex | 5 | |
| Julhilda | Finding Flags | 2 | |
| ramonacaprariu | Hex | 5 | |
| kw0n1 | ASCII | 5 | |
| ramonacaprariu | ASCII | 5 | |
| Beethoven3 | LWE Intro | 10 | |
| Beethoven3 | Token Appreciation | 5 | |
| ramonacaprariu | Great Snakes | 3 | |
| ramonacaprariu | Finding Flags | 2 | |
| kw0n1 | Network Attacks | 5 | |
| Dana71 | Finding Flags | 2 | |
| yurec | XOR Properties | 15 | |
| dan9 | Finding Flags | 2 | |
| Emil_Zawislak | No Way Back Home | 100 | |
| JinJess | ASCII | 5 | |
| laabedmedsami | Everything is Big | 70 | |
| yurec | XOR Starter | 10 | |
| yurec | Bytes and Big Integers | 10 | |
| maksushka | Logon Zero | 80 | |
| Beethoven3 | Marin's Secrets | 50 | |
| yurec | Base64 | 10 | |
| SuperCat | RSA Signatures | 25 |
You are now level Current level