| Date | User | Challenge | Score |
| Mai47 | Modular Square Root | 35 | |
| rijkman | Transparency | 50 | |
| 0xKript | Favourite byte | 20 | |
| ayoub04 | Structure of AES | 15 | |
| YousSphinx | Pad Thai | 80 | |
| DR4KO | Favourite byte | 20 | |
| alper0xffff | Great Snakes | 3 | |
| aristidecod | You either know, XOR you don't | 30 | |
| alper0xffff | Finding Flags | 2 | |
| DR4KO | XOR Properties | 15 | |
| Maizar | SIDH Key Exchange | 80 | |
| Azuke | Bytes and Big Integers | 10 | |
| sevenkplus | Honest Verifier Zero Knowledge | 30 | |
| Azuke | Base64 | 10 | |
| awdrgyjilp | XOR Starter | 10 | |
| sevenkplus | Special Soundness | 25 | |
| Azuke | Hex | 5 | |
| valh4x | RSA or HMAC? Part 2 | 100 | |
| Maizar | Double and Broken | 50 | |
| Azuke | ASCII | 5 | |
| ayoub04 | Resisting Bruteforce | 10 | |
| Mai47 | Legendre Symbol | 35 | |
| ayoub04 | Keyed Permutations | 5 | |
| Maizar | Edwards Goes Degenerate | 100 | |
| Azuke | Great Snakes | 3 | |
| Maizar | No Random, No Bias | 120 | |
| Maizar | ProSign 3 | 100 | |
| dan_martins | Collider | 50 | |
| Azuke | Finding Flags | 2 | |
| Maizar | Curveball | 100 | |
| cbrit | Base64 | 10 | |
| Maizar | Digestive | 60 | |
| aristidecod | Favourite byte | 20 | |
| xolviu | Great Snakes | 3 | |
| valh4x | Saying Hello | 20 | |
| valh4x | Secure Protocols | 5 | |
| xolviu | Finding Flags | 2 | |
| Arcyk | Legendre Symbol | 35 | |
| teetoamate | Parameter Injection | 60 | |
| DR4KO | XOR Starter | 10 | |
| awdrgyjilp | Bytes and Big Integers | 10 | |
| aristidecod | XOR Properties | 15 | |
| 0xKript | XOR Properties | 15 | |
| AmtrakGuy2 | Flipping Cookie | 60 | |
| cbrit | Hex | 5 | |
| AmtrakGuy2 | ECB CBC WTF | 55 | |
| Pikatrix | Favourite byte | 20 | |
| AmtrakGuy2 | ECB Oracle | 60 | |
| Dafenshi | Computing Shared Secrets | 30 | |
| Hikeol | Finding Flags | 2 |
You are now level Current level