| Date | User | Challenge | Score |
| spaceman_spiff | Great Snakes | 3 | |
| spaceman_spiff | Finding Flags | 2 | |
| shivabsnt | Great Snakes | 3 | |
| Brian_McGee | RSA Decryption | 20 | |
| shivabsnt | Finding Flags | 2 | |
| kelur | You either know, XOR you don't | 30 | |
| Hexerei | Parameter Injection | 60 | |
| Brian_McGee | Private Keys | 20 | |
| yoveneim | Great Snakes | 3 | |
| yoveneim | Finding Flags | 2 | |
| luckien2492 | Great Snakes | 3 | |
| rianifarid14 | Finding Flags | 2 | |
| luckien2492 | Finding Flags | 2 | |
| Solitarius1upus | Curves and Logs | 40 | |
| hakka52 | Invariant | 250 | |
| lucy54 | Curves and Logs | 40 | |
| Solitarius1upus | Scalar Multiplication | 35 | |
| hakka52 | Mixed Up | 120 | |
| neitoroxin | Chinese Remainder Theorem | 40 | |
| lucy54 | Scalar Multiplication | 35 | |
| Brian_McGee | Euler's Totient | 20 | |
| HighestClimber | Structure of AES | 15 | |
| 60_KyAj_02 | XOR Properties | 15 | |
| Brian_McGee | Public Keys | 15 | |
| Brian_McGee | Modular Exponentiation | 10 | |
| Off_Bl4ck | XOR Properties | 15 | |
| lucy54 | Point Addition | 30 | |
| anarchy0x | You either know, XOR you don't | 30 | |
| anarchy0x | Favourite byte | 20 | |
| anarchy0x | XOR Properties | 15 | |
| neitoroxin | Modular Square Root | 35 | |
| Basag0 | Everything is Big | 70 | |
| anarchy0x | XOR Starter | 10 | |
| r4s_4l_3oul | Finding Flags | 2 | |
| anarchy0x | Bytes and Big Integers | 10 | |
| Marchet_91 | Working with Fields | 10 | |
| Marchet_91 | Modulus Inutilis | 50 | |
| Marchet_91 | Salty | 20 | |
| jamesdw | Hex | 5 | |
| jamesdw | ASCII | 5 | |
| jamesdw | Network Attacks | 5 | |
| noTun4 | XOR Properties | 15 | |
| anarchy0x | Base64 | 10 | |
| anarchy0x | Hex | 5 | |
| Hexerei | Deriving Symmetric Keys | 40 | |
| anarchy0x | ASCII | 5 | |
| anarchy0x | Great Snakes | 3 | |
| Basag0 | Modulus Inutilis | 50 | |
| Marchet_91 | Manyprime | 40 | |
| Marchet_91 | Monoprime | 30 |
You are now level Current level