| Date | User | Challenge | Score |
| mr_chambers | Base64 | 10 | |
| ecapessa | Great Snakes | 3 | |
| mr_chambers | Hex | 5 | |
| ecapessa | Finding Flags | 2 | |
| mr_chambers | ASCII | 5 | |
| blueHead | XOR Properties | 15 | |
| mr_chambers | Great Snakes | 3 | |
| Waeel79 | Static Client | 100 | |
| mr_chambers | Finding Flags | 2 | |
| jose_enrique | ASCII | 5 | |
| jose_enrique | Great Snakes | 3 | |
| jose_enrique | Finding Flags | 2 | |
| Waeel79 | Generators of Groups | 20 | |
| Waeel79 | Working with Fields | 10 | |
| Thismy | Finding Flags | 2 | |
| Rellik | Greatest Common Divisor | 15 | |
| Anon3605 | Modular Inverting | 25 | |
| a_windy_crow | Base64 | 10 | |
| Neeeuro | You either know, XOR you don't | 30 | |
| Anon3605 | Modular Arithmetic 2 | 20 | |
| Mufasa | XOR Starter | 10 | |
| Di_25_Va | Encoding Challenge | 40 | |
| Avicena | Great Snakes | 3 | |
| Di_25_Va | Bytes and Big Integers | 10 | |
| jqn | ASCII | 5 | |
| Di_25_Va | Base64 | 10 | |
| Di_25_Va | Hex | 5 | |
| jqn | Great Snakes | 3 | |
| jqn | Finding Flags | 2 | |
| Di_25_Va | ASCII | 5 | |
| Mr_Inch | Great Snakes | 3 | |
| filip1727 | Base64 | 10 | |
| Eralyen | Modular Inverting | 25 | |
| Gravalos | Special Soundness | 25 | |
| hel1os | XOR Starter | 10 | |
| Mufasa | Encoding Challenge | 40 | |
| filip1727 | Hex | 5 | |
| Avicena | Finding Flags | 2 | |
| frank_smith | Great Snakes | 3 | |
| Eralyen | Modular Arithmetic 2 | 20 | |
| nawaf_dahan10 | WOTS Up 2 | 90 | |
| frank_smith | Finding Flags | 2 | |
| nawaf_dahan10 | WOTS Up | 75 | |
| nawaf_dahan10 | Merkle Trees | 25 | |
| nawaf_dahan10 | Jack's Birthday Hash | 20 | |
| nawaf_dahan10 | Jack's Birthday Confusion | 30 | |
| nawaf_dahan10 | Invariant | 250 | |
| nawaf_dahan10 | Mixed Up | 120 | |
| PunooKhan | You either know, XOR you don't | 30 | |
| nawaf_dahan10 | MDFlag | 125 |
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