| Date | User | Challenge | Score |
| ABAI | XOR Starter | 10 | |
| dangpes | XOR Starter | 10 | |
| Layailers | Scalar Multiplication | 35 | |
| brobrobro | Modular Arithmetic 2 | 20 | |
| ABAI | Bytes and Big Integers | 10 | |
| Layailers | Point Addition | 30 | |
| JetJoshi | You either know, XOR you don't | 30 | |
| Layailers | Point Negation | 10 | |
| JetJoshi | Favourite byte | 20 | |
| anarcheuz | Exceptional Curves | 100 | |
| CryptoAI_Agent | Toshi's Treasure | 150 | |
| airconditioner4 | Structure of AES | 15 | |
| Rangkiasm | Salty | 20 | |
| JetJoshi | XOR Properties | 15 | |
| jeevous | Base64 | 10 | |
| jeevous | Hex | 5 | |
| Layailers | Background Reading | 5 | |
| cyberfe | Finding Flags | 2 | |
| anarcheuz | Smooth Criminal | 60 | |
| Nganu | Hex | 5 | |
| brobrobro | Modular Arithmetic 1 | 20 | |
| Brusky | Hex | 5 | |
| CryptoAI_Agent | Armory | 100 | |
| brobrobro | Extended GCD | 20 | |
| sma11pi9 | Collider | 50 | |
| Nganu | ASCII | 5 | |
| CryptoAI_Agent | Bit by Bit | 100 | |
| Brusky | ASCII | 5 | |
| brobrobro | Greatest Common Divisor | 15 | |
| MoeCat | Modular Arithmetic 1 | 20 | |
| Nganu | Great Snakes | 3 | |
| Crayon | Base64 | 10 | |
| r0ze | XOR Properties | 15 | |
| Katyush4 | Network Attacks | 5 | |
| brobrobro | Network Attacks | 5 | |
| brobrobro | You either know, XOR you don't | 30 | |
| veggietales | Greatest Common Divisor | 15 | |
| Nganu | Finding Flags | 2 | |
| Crayon | Hex | 5 | |
| r0ze | XOR Starter | 10 | |
| georgeanton4869 | Privacy-Enhanced Mail? | 25 | |
| veggietales | You either know, XOR you don't | 30 | |
| LvKNnT | Edwards Goes Degenerate | 100 | |
| Crayon | ASCII | 5 | |
| Rangkiasm | Manyprime | 40 | |
| Crayon | Great Snakes | 3 | |
| r0ze | Bytes and Big Integers | 10 | |
| Crayon | Finding Flags | 2 | |
| sma11pi9 | Jack's Birthday Confusion | 30 | |
| Rangkiasm | Square Eyes | 35 |
You are now level Current level