| Date | User | Challenge | Score |
| lightjyagabin2k8 | Bytes and Big Integers | 10 | |
| electus08 | XOR Starter | 10 | |
| Eralyen | Favourite byte | 20 | |
| lightjyagabin2k8 | Base64 | 10 | |
| Neeeuro | Hex | 5 | |
| Eralyen | XOR Properties | 15 | |
| BableStable | Legendre Symbol | 35 | |
| lightjyagabin2k8 | Hex | 5 | |
| lightjyagabin2k8 | ASCII | 5 | |
| Eralyen | XOR Starter | 10 | |
| lightjyagabin2k8 | Great Snakes | 3 | |
| Neeeuro | ASCII | 5 | |
| lightjyagabin2k8 | Finding Flags | 2 | |
| Eralyen | Bytes and Big Integers | 10 | |
| Neeeuro | Great Snakes | 3 | |
| virtual_insanity | XOR Starter | 10 | |
| Neeeuro | Finding Flags | 2 | |
| hanako | Honest Verifier Zero Knowledge | 30 | |
| virtual_insanity | Bytes and Big Integers | 10 | |
| 0xEMNA | XOR Properties | 15 | |
| M1D0R1M4 | Chinese Remainder Theorem | 40 | |
| zecarriola | Finding Flags | 2 | |
| omarmo5145 | RSA or HMAC? | 35 | |
| youngboss1117 | Great Snakes | 3 | |
| xtrm0 | Toshi's Treasure | 150 | |
| BableStable | Quadratic Residues | 25 | |
| angel112aa4 | XOR Starter | 10 | |
| youngboss1117 | Finding Flags | 2 | |
| Eralyen | Base64 | 10 | |
| M1D0R1M4 | Modular Square Root | 35 | |
| phfgoncalves | RSA Decryption | 20 | |
| luispedro | RSA Decryption | 20 | |
| socretes | Hex | 5 | |
| Eralyen | Hex | 5 | |
| 0xB4DFL4G | Point Negation | 10 | |
| CookedRavioli | Moving Problems | 150 | |
| luispedro | Private Keys | 20 | |
| phfgoncalves | Private Keys | 20 | |
| Eralyen | ASCII | 5 | |
| hanan0x37 | XOR Starter | 10 | |
| M1D0R1M4 | Legendre Symbol | 35 | |
| icaro | RSA Decryption | 20 | |
| Castroo | CERTainly not | 30 | |
| Eralyen | Great Snakes | 3 | |
| EmmanuelGoldberg | Authenticated Handshake | 40 | |
| luispedro | Euler's Totient | 20 | |
| Eralyen | Finding Flags | 2 | |
| icaro | Private Keys | 20 | |
| SigmaMonster | ECB CBC WTF | 55 | |
| phfgoncalves | Euler's Totient | 20 |
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