| Date | User | Challenge | Score |
| ElmiraVerdiyeva | Finding Flags | 2 | |
| Stupid_Fish | Great Snakes | 3 | |
| YousefNein | Finding Flags | 2 | |
| w4nted_1uffy_09 | Finding Flags | 2 | |
| hmd0102 | CTRIME | 70 | |
| antoario | Symmetry | 50 | |
| Stupid_Fish | Finding Flags | 2 | |
| antoario | Flipping Cookie | 60 | |
| LBN789 | Bean Counter | 60 | |
| antoario | ECB CBC WTF | 55 | |
| 1tsRyd3r | Flipping Cookie | 60 | |
| satvika | Lazy CBC | 60 | |
| winsed20 | You either know, XOR you don't | 30 | |
| Ba1sars | Modular Arithmetic 1 | 20 | |
| halliana | Bruce Schneier's Password | 100 | |
| Quine | Salty | 20 | |
| Fears0meKitty | XOR Starter | 10 | |
| redcore | Bytes and Big Integers | 10 | |
| 123zoo_ | Quadratic Residues | 25 | |
| ExploitX | Let's Decrypt Again | 175 | |
| rush_i | Passwords as Keys | 50 | |
| LBN789 | Symmetry | 50 | |
| arp1t0x | Bringing It All Together | 50 | |
| Do51k | Successive Powers | 60 | |
| dsabolic42 | Modes of Operation Starter | 15 | |
| dumitrutanasie | Finding Flags | 2 | |
| Fears0meKitty | Bytes and Big Integers | 10 | |
| arp1t0x | Diffusion through Permutation | 30 | |
| redcore | Network Attacks | 5 | |
| nhatanh1105 | Quadratic Residues | 25 | |
| LBN789 | Flipping Cookie | 60 | |
| rush_i | Modes of Operation Starter | 15 | |
| OKlllng | Passwords as Keys | 50 | |
| 123zoo_ | Modular Inverting | 25 | |
| Smuggler | You either know, XOR you don't | 30 | |
| 123zoo_ | Modular Arithmetic 2 | 20 | |
| Smuggler | Favourite byte | 20 | |
| Sadness7 | Jack's Birthday Confusion | 30 | |
| hmd0102 | Triple DES | 60 | |
| Smuggler | XOR Properties | 15 | |
| Sadness7 | Jack's Birthday Hash | 20 | |
| candour | Structure of AES | 15 | |
| A2RU | Twin Keys | 100 | |
| Sagorika | Hex | 5 | |
| Sagorika | ASCII | 5 | |
| crim_x64 | Passwords as Keys | 50 | |
| OKlllng | Modes of Operation Starter | 15 | |
| halliana | Real Curve Crypto | 200 | |
| JvThunder | No Leaks | 100 | |
| Sirine | XOR Starter | 10 |
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