| Date | User | Challenge | Score |
| death123 | Base64 | 10 | |
| maryamalzuraiqi | XOR Properties | 15 | |
| h0ps | Bytes and Big Integers | 10 | |
| CHAZ4R | Structure of AES | 15 | |
| death123 | Hex | 5 | |
| ahmed1hossam | XOR Starter | 10 | |
| pidro | XOR Starter | 10 | |
| jablonskim | Bruce Schneier's Password: Part 2 | 250 | |
| floataqq | Broken RSA | 100 | |
| ShadhinIslam | Greatest Common Divisor | 15 | |
| taki1 | Point Addition | 30 | |
| ellyn | Hex | 5 | |
| q3st1on | Montgomery's Ladder | 40 | |
| death123 | ASCII | 5 | |
| G4Z4N0V4 | Bytes and Big Integers | 10 | |
| ellyn | ASCII | 5 | |
| death123 | Great Snakes | 3 | |
| erengokirmak | Bean Counter | 60 | |
| G4Z4N0V4 | Base64 | 10 | |
| Mouwafek | Hex | 5 | |
| G4Z4N0V4 | Hex | 5 | |
| death123 | Finding Flags | 2 | |
| Z10UD1 | Authenticated Handshake | 40 | |
| Mouwafek | ASCII | 5 | |
| Mouwafek | Great Snakes | 3 | |
| Mouwafek | Finding Flags | 2 | |
| ellyn | Great Snakes | 3 | |
| G4Z4N0V4 | ASCII | 5 | |
| ellyn | Finding Flags | 2 | |
| Qasem | Bespoke Padding | 100 | |
| G4Z4N0V4 | Network Attacks | 5 | |
| kiaN2C | Keyed Permutations | 5 | |
| jwqx404 | Extended GCD | 20 | |
| maryamalzuraiqi | XOR Starter | 10 | |
| Qasem | RSA Backdoor Viability | 175 | |
| G4Z4N0V4 | Great Snakes | 3 | |
| G4Z4N0V4 | Finding Flags | 2 | |
| erengokirmak | Symmetry | 50 | |
| maryamalzuraiqi | Bytes and Big Integers | 10 | |
| svenny | SSH Keys | 35 | |
| myomai | Hex | 5 | |
| myomai | ASCII | 5 | |
| maryamalzuraiqi | Base64 | 10 | |
| Isabela | Resisting Bruteforce | 10 | |
| Isabela | Keyed Permutations | 5 | |
| Z10UD1 | Decrypting TLS 1.3 | 35 | |
| Z10UD1 | Decrypting TLS 1.2 | 30 | |
| Isabela | Modular Binomials | 80 | |
| AltFreq | André Encoding | 80 | |
| jwqx404 | Greatest Common Divisor | 15 |
You are now level Current level