| Date | User | Challenge | Score |
| DeiSec | Finding Flags | 2 | |
| Voxa | Modes of Operation Starter | 15 | |
| CallMaNam3_ | Extended GCD | 20 | |
| CallMaNam3_ | Greatest Common Divisor | 15 | |
| neilcannon1965 | XOR Starter | 10 | |
| neilcannon1965 | Bytes and Big Integers | 10 | |
| CallMaNam3_ | You either know, XOR you don't | 30 | |
| nohh022 | Modular Inverting | 25 | |
| neilcannon1965 | Base64 | 10 | |
| nohh022 | Modular Arithmetic 2 | 20 | |
| Rumata88 | Montgomery's Ladder | 40 | |
| CallMaNam3_ | Favourite byte | 20 | |
| nohh022 | Modular Arithmetic 1 | 20 | |
| yamaw | ASCII | 5 | |
| Dan1e1B | Salty | 20 | |
| nohh022 | Extended GCD | 20 | |
| neilcannon1965 | Hex | 5 | |
| yamaw | Great Snakes | 3 | |
| nohh022 | Greatest Common Divisor | 15 | |
| CallMaNam3_ | XOR Properties | 15 | |
| Rumata88 | Efficient Exchange | 50 | |
| yamaw | Finding Flags | 2 | |
| nohh022 | You either know, XOR you don't | 30 | |
| Dan1e1B | Manyprime | 40 | |
| s4lmon | No Random, No Bias | 120 | |
| zsx | Bytes and Big Integers | 10 | |
| Namunamu | Square Eyes | 35 | |
| leon_k | XOR Starter | 10 | |
| SeanB35 | Modular Inverting | 25 | |
| SonCrypto | Great Snakes | 3 | |
| litgift | Extended GCD | 20 | |
| Namunamu | Monoprime | 30 | |
| kakar07 | Endless Emails | 150 | |
| CallMaNam3_ | XOR Starter | 10 | |
| neilcannon1965 | ASCII | 5 | |
| PAWOS | ProSign 3 | 100 | |
| Dan1e1B | Square Eyes | 35 | |
| neilcannon1965 | Great Snakes | 3 | |
| neilcannon1965 | Finding Flags | 2 | |
| snake_sss | Adrien's Signs | 80 | |
| AES_of_spades | Base64 | 10 | |
| nohh022 | Favourite byte | 20 | |
| leon_k | Bytes and Big Integers | 10 | |
| CallMaNam3_ | Bytes and Big Integers | 10 | |
| AES_of_spades | Hex | 5 | |
| fjukh7872 | Saying Hello | 20 | |
| Namunamu | Inferius Prime | 30 | |
| AES_of_spades | ASCII | 5 | |
| AES_of_spades | Great Snakes | 3 | |
| nohh022 | XOR Properties | 15 |
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