| Date | User | Challenge | Score |
| 2024083406 | Private Keys | 20 | |
| 2024083406 | Euler's Totient | 20 | |
| 2024083406 | Public Keys | 15 | |
| smbstudy | Hex | 5 | |
| 2024083406 | Modular Exponentiation | 10 | |
| PapaCarloOrigina | Bytes and Big Integers | 10 | |
| alphaegg | Structure of AES | 15 | |
| jell | Lemur XOR | 40 | |
| smbstudy | ASCII | 5 | |
| world_savers | ASCII | 5 | |
| jonnytang | JWT Secrets | 25 | |
| smbstudy | Great Snakes | 3 | |
| world_savers | Great Snakes | 3 | |
| world_savers | Finding Flags | 2 | |
| ereiselt | Dancing Queen | 120 | |
| smbstudy | Finding Flags | 2 | |
| jonnytang | No Way JOSE | 20 | |
| inv | Authenticated Handshake | 40 | |
| whale120 | Oracular Spectacular | 150 | |
| talidam | Modular Arithmetic 2 | 20 | |
| jell | You either know, XOR you don't | 30 | |
| sredmond | Favourite byte | 20 | |
| jell | XOR Properties | 15 | |
| inv | Decrypting TLS 1.3 | 35 | |
| jell | Favourite byte | 20 | |
| inv | Decrypting TLS 1.2 | 30 | |
| quangntenemy | An Evil Twisted Mind | 175 | |
| jell | XOR Starter | 10 | |
| Shyamama | Extended GCD | 20 | |
| inv | Saying Hello | 20 | |
| inv | TLS Handshake | 15 | |
| whale120 | Megalomaniac 2 | 120 | |
| inv | Sharks on the Wire | 10 | |
| talidam | Modular Arithmetic 1 | 20 | |
| whale120 | Megalomaniac 1 | 100 | |
| whale120 | Megalomaniac 3 | 120 | |
| ZanCTF | Successive Powers | 60 | |
| whale120 | LFSR Destroyer | 250 | |
| whale120 | Noise Cheap | 90 | |
| whale120 | Too Many Errors | 100 | |
| whale120 | Missing Modulus | 80 | |
| whale120 | Nativity | 60 | |
| raimeenakshi | ASCII | 5 | |
| jell | Encoding Challenge | 40 | |
| whale120 | Oh SNAP | 120 | |
| ZanCTF | ECB CBC WTF | 55 | |
| raimeenakshi | Great Snakes | 3 | |
| whale120 | Paper Plane | 120 | |
| jell | Bytes and Big Integers | 10 | |
| raimeenakshi | Finding Flags | 2 |
You are now level Current level