| Date | User | Challenge | Score |
| 0xego | Keyed Permutations | 5 | |
| danidanidani | Base64 | 10 | |
| hidden9 | Great Snakes | 3 | |
| angelkat | Infinite Descent | 50 | |
| danidanidani | Hex | 5 | |
| danidanidani | ASCII | 5 | |
| guyanyong | Adrien's Signs | 80 | |
| danidanidani | Great Snakes | 3 | |
| hi_raj57 | Finding Flags | 2 | |
| Cant_choose_name | You either know, XOR you don't | 30 | |
| angelkat | Endless Emails | 150 | |
| danidanidani | Finding Flags | 2 | |
| Cant_choose_name | Favourite byte | 20 | |
| Cant_choose_name | XOR Properties | 15 | |
| abera | Greatest Common Divisor | 15 | |
| nullex | Bringing It All Together | 50 | |
| paulelpapito | Favourite byte | 20 | |
| Cant_choose_name | XOR Starter | 10 | |
| Vendredi | Bytes and Big Integers | 10 | |
| Cant_choose_name | Bytes and Big Integers | 10 | |
| ZoeCrypt | ZKP Introduction | 5 | |
| angelkat | Everything is Still Big | 100 | |
| Vendredi | Base64 | 10 | |
| angelkat | Crossed Wires | 100 | |
| Cant_choose_name | Base64 | 10 | |
| Rodel | Curves and Logs | 40 | |
| jegadeeshssra | Hex | 5 | |
| Cant_choose_name | Hex | 5 | |
| capnolove | Bytes and Big Integers | 10 | |
| paulelpapito | XOR Properties | 15 | |
| Alexey | Hex | 5 | |
| JellyGames | Collider | 50 | |
| hamtot | Chinese Remainder Theorem | 40 | |
| uk1987 | XOR Starter | 10 | |
| Vendredi | You either know, XOR you don't | 30 | |
| hamtot | Modular Square Root | 35 | |
| Rodel | Public Keys | 15 | |
| paulelpapito | XOR Starter | 10 | |
| hamtot | Legendre Symbol | 35 | |
| At0mxploit | Lo-Hi Card Game | 120 | |
| Alexey | ASCII | 5 | |
| jegadeeshssra | ASCII | 5 | |
| Alexey | Great Snakes | 3 | |
| Blackgreen | Modular Binomials | 80 | |
| jegadeeshssra | Great Snakes | 3 | |
| Alexey | Finding Flags | 2 | |
| hamtot | Quadratic Residues | 25 | |
| hamtot | Modular Inverting | 25 | |
| hamtot | Modular Arithmetic 2 | 20 | |
| Regnm0ln1 | Export-grade | 100 |
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