| Date | User | Challenge | Score |
| Mahmoud_778 | Computing Shared Secrets | 30 | |
| Mahmoud_778 | Computing Public Values | 25 | |
| Oswald | Key recovery (DCTF) | 0 | |
| Mahmoud_778 | Working with Fields | 10 | |
| hsyn | Extended GCD | 20 | |
| duckpancakes | Euler's Totient | 20 | |
| 3662_2C2026_G8 | Modulus Inutilis | 50 | |
| hungtrab | Honest Verifier Zero Knowledge | 30 | |
| NewCryptoHackUse | Bytes and Big Integers | 10 | |
| hsyn | Greatest Common Divisor | 15 | |
| Mahmoud_778 | Forbidden Fruit | 150 | |
| Mahmoud_778 | Beatboxer | 150 | |
| 0xB4DFL4G | Monoprime | 30 | |
| Ronak48 | Forbidden Fruit | 150 | |
| Ronak48 | The Good, The Pad, The Ugly | 100 | |
| Ronak48 | Pad Thai | 80 | |
| Ronak48 | Dancing Queen | 120 | |
| Ronak48 | Logon Zero | 80 | |
| Mahmoud_778 | Paper Plane | 120 | |
| Mahmoud_778 | Oracular Spectacular | 150 | |
| 25164428 | Computing Public Values | 25 | |
| 25164428 | Computing Shared Secrets | 30 | |
| Mahmoud_778 | The Good, The Pad, The Ugly | 100 | |
| Mahmoud_778 | Pad Thai | 80 | |
| Mahmoud_778 | Oh SNAP | 120 | |
| Omar_Ali_Mohamme | WOTS Up 2 | 90 | |
| 0xB4DFL4G | Factoring | 15 | |
| Omar_Ali_Mohamme | WOTS Up | 75 | |
| Mahmoud_778 | Dancing Queen | 120 | |
| Omar_Ali_Mohamme | Merkle Trees | 25 | |
| Omar_Ali_Mohamme | Invariant | 250 | |
| Mahmoud_778 | Stream of Consciousness | 80 | |
| Omar_Ali_Mohamme | Mixed Up | 120 | |
| Omar_Ali_Mohamme | MDFlag | 125 | |
| Mahmoud_778 | Logon Zero | 80 | |
| Omar_Ali_Mohamme | MD0 | 80 | |
| Mahmoud_778 | CTRIME | 70 | |
| Omar_Ali_Mohamme | No Difference | 175 | |
| Mahmoud_778 | Bean Counter | 60 | |
| Mahmoud_778 | Symmetry | 50 | |
| Mahmoud_778 | Triple DES | 60 | |
| Mahmoud_778 | Lazy CBC | 60 | |
| Mahmoud_778 | Flipping Cookie | 60 | |
| Mahmoud_778 | ECB Oracle | 60 | |
| Mahmoud_778 | ECB CBC WTF | 55 | |
| Mahmoud_778 | Passwords as Keys | 50 | |
| reki38 | Greatest Common Divisor | 15 | |
| Mahmoud_778 | Modes of Operation Starter | 15 | |
| Mahmoud_778 | Bringing It All Together | 50 | |
| Mahmoud_778 | Diffusion through Permutation | 30 |
You are now level Current level