| Date | User | Challenge | Score |
| no_ai_no_problem | Private Keys | 20 | |
| RawanCys | Favourite byte | 20 | |
| no_ai_no_problem | Euler's Totient | 20 | |
| no_ai_no_problem | Public Keys | 15 | |
| cyk0sure | Triple DES | 60 | |
| no_ai_no_problem | Modular Exponentiation | 10 | |
| cyk0sure | Lazy CBC | 60 | |
| no_ai_no_problem | You either know, XOR you don't | 30 | |
| no_ai_no_problem | Favourite byte | 20 | |
| wawaThanaporn | Hex | 5 | |
| Crimson_Ronin | Base64 | 10 | |
| no_ai_no_problem | XOR Properties | 15 | |
| RawanCys | XOR Properties | 15 | |
| Alfred_Gitonga | You either know, XOR you don't | 30 | |
| Crimson_Ronin | Hex | 5 | |
| kakobtg | The j-invariant | 20 | |
| no_ai_no_problem | XOR Starter | 10 | |
| GG_gemink | ECB CBC WTF | 55 | |
| Alfred_Gitonga | Favourite byte | 20 | |
| Crimson_Ronin | ASCII | 5 | |
| cyk0sure | Logon Zero | 80 | |
| Alfred_Gitonga | XOR Properties | 15 | |
| Alfred_Gitonga | XOR Starter | 10 | |
| Alfred_Gitonga | Bytes and Big Integers | 10 | |
| Crimson_Ronin | Great Snakes | 3 | |
| Crimson_Ronin | Finding Flags | 2 | |
| GG_gemink | Passwords as Keys | 50 | |
| jskeob | Hash Stuffing | 50 | |
| DarioLombar_2 | ASCII | 5 | |
| DarioLombar_2 | Great Snakes | 3 | |
| pain1404 | Favourite byte | 20 | |
| cyk0sure | Megalomaniac 1 | 100 | |
| tempmail12345678 | Bean Counter | 60 | |
| CYDF1121 | Ellipse Curve Cryptography | 125 | |
| xiaodi | XOR Properties | 15 | |
| jwqx404 | XOR Starter | 10 | |
| Seddik | Modes of Operation Starter | 15 | |
| anbarbon | Passwords as Keys | 50 | |
| stitch | Jack's Birthday Confusion | 30 | |
| revivd | Legendre Symbol | 35 | |
| Minhhau | Modular Binomials | 80 | |
| pain1404 | XOR Properties | 15 | |
| GG_gemink | LWE Intro | 10 | |
| GG_gemink | LWE Background | 5 | |
| GG_gemink | Size and Basis | 15 | |
| 14Hz | Extended GCD | 20 | |
| alistair | Hex | 5 | |
| alistair | ASCII | 5 | |
| 190230 | You either know, XOR you don't | 30 | |
| RawanCys | XOR Starter | 10 |
You are now level Current level