| Date | User | Challenge | Score |
| Shamapta | You either know, XOR you don't | 30 | |
| xingci | Diffusion through Permutation | 30 | |
| Tanmay_62 | Efficient Exchange | 50 | |
| Taha06 | Resisting Bruteforce | 10 | |
| Tanmay_62 | Curves and Logs | 40 | |
| Tanmay_62 | Scalar Multiplication | 35 | |
| Jacobsia | Great Snakes | 3 | |
| TamaldeDulce44 | Great Snakes | 3 | |
| BoyInDaBlue | Bytes and Big Integers | 10 | |
| andgnatyuk | You either know, XOR you don't | 30 | |
| TamaldeDulce44 | Finding Flags | 2 | |
| Taha06 | Keyed Permutations | 5 | |
| Shamapta | Favourite byte | 20 | |
| vaft | Modular Arithmetic 1 | 20 | |
| Shamapta | XOR Properties | 15 | |
| ParkJuHeon | ASCII | 5 | |
| Noodle0401 | Hex | 5 | |
| Noodle0401 | ASCII | 5 | |
| xingci | Confusion through Substitution | 25 | |
| Noodle0401 | Great Snakes | 3 | |
| Noodle0401 | Finding Flags | 2 | |
| starnotes | Let's Decrypt | 80 | |
| Shamapta | XOR Starter | 10 | |
| richardkasdorf | Bytes and Big Integers | 10 | |
| ByVoidd | You either know, XOR you don't | 30 | |
| Shamapta | Bytes and Big Integers | 10 | |
| Quoc130370 | Exceptional Curves | 100 | |
| JMC3 | Base64 | 10 | |
| ByVoidd | Favourite byte | 20 | |
| ultra01 | Hex | 5 | |
| JMC3 | Hex | 5 | |
| JMC3 | ASCII | 5 | |
| Grupo10MA | Euler's Totient | 20 | |
| Quoc130370 | Smooth Criminal | 60 | |
| JMC3 | Great Snakes | 3 | |
| ByVoidd | XOR Properties | 15 | |
| JMC3 | Finding Flags | 2 | |
| grazkaa | Rhetorical Oracle | 100 | |
| k1i8n | You either know, XOR you don't | 30 | |
| Shamapta | Base64 | 10 | |
| lafleury | Hex | 5 | |
| Shamapta | Hex | 5 | |
| ygzx | Base64 | 10 | |
| Shamapta | ASCII | 5 | |
| Shamapta | Great Snakes | 3 | |
| ygzx | Hex | 5 | |
| Shamapta | Finding Flags | 2 | |
| ygzx | ASCII | 5 | |
| ygzx | Great Snakes | 3 | |
| ultra01 | ASCII | 5 |
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