| Date | User | Challenge | Score |
| fazslll | Monoprime | 30 | |
| PJ696769 | Resisting Bruteforce | 10 | |
| PJ696769 | Keyed Permutations | 5 | |
| DaanV2 | Modes of Operation Starter | 15 | |
| Lin1247 | Modular Square Root | 35 | |
| fazslll | Factoring | 15 | |
| KULL4N4R1 | Modular Inverting | 25 | |
| fazslll | RSA Signatures | 25 | |
| HaxL0p4 | Extended GCD | 20 | |
| KULL4N4R1 | Modular Arithmetic 2 | 20 | |
| Tonghedocon | A True Genus | 175 | |
| kevin21 | Extended GCD | 20 | |
| alice77 | XOR Starter | 10 | |
| Tonghedocon | Meet me in the Claw | 120 | |
| SpongeBob369 | Symmetry | 50 | |
| P0WER | Structure of AES | 15 | |
| Lin1247 | Legendre Symbol | 35 | |
| Tonghedocon | Dual Masters | 90 | |
| Tonghedocon | Abelian SIDH | 90 | |
| Tonghedocon | Better than Linear | 85 | |
| Tonghedocon | André Encoding | 80 | |
| breadtox | LWE High Bits Message | 15 | |
| Tonghedocon | What's My Kernel | 70 | |
| fazslll | RSA Decryption | 20 | |
| fazslll | Private Keys | 20 | |
| Tonghedocon | CSIDH Key Exchange | 90 | |
| fazslll | Euler's Totient | 20 | |
| fazslll | Public Keys | 15 | |
| Nagesh | Great Snakes | 3 | |
| fazslll | Modular Exponentiation | 10 | |
| Tonghedocon | Twisted CSIDH Isogenies | 70 | |
| Tonghedocon | Secret Exponents | 60 | |
| Tonghedocon | Special Isogenies | 30 | |
| Tonghedocon | Megalomaniac 3 | 120 | |
| Nagesh | Finding Flags | 2 | |
| DaanV2 | Bringing It All Together | 50 | |
| Tonghedocon | Megalomaniac 2 | 120 | |
| Tonghedocon | Megalomaniac 1 | 100 | |
| SpongeBob369 | Flipping Cookie | 60 | |
| TTiny | Quadratic Residues | 25 | |
| alice77 | Bytes and Big Integers | 10 | |
| Tonghedocon | Authenticated Handshake | 40 | |
| Fikhtengoltz | Modes of Operation Starter | 15 | |
| Tonghedocon | Decrypting TLS 1.3 | 35 | |
| haiderontheradar | Legendre Symbol | 35 | |
| Tonghedocon | Decrypting TLS 1.2 | 30 | |
| Lin1247 | Quadratic Residues | 25 | |
| Tonghedocon | Saying Hello | 20 | |
| Tonghedocon | TLS Handshake | 15 | |
| Tonghedocon | Sharks on the Wire | 10 |
You are now level Current level