| Date | User | Challenge | Score |
| blazzzhenny2 | Modular Inverting | 25 | |
| QWXXHSX123 | Two Isogenies | 30 | |
| Elenajalanqnwns | Finding Flags | 2 | |
| blazzzhenny2 | Modular Arithmetic 2 | 20 | |
| stevenferg | Legendre Symbol | 35 | |
| gofmank | You either know, XOR you don't | 30 | |
| Anass67 | Modular Binomials | 80 | |
| blazzzhenny2 | Modular Arithmetic 1 | 20 | |
| silvereagle429 | Quadratic Residues | 25 | |
| gofmank | Modes of Operation Starter | 15 | |
| blazzzhenny2 | Extended GCD | 20 | |
| mad_irish | Hex | 5 | |
| mad_irish | ASCII | 5 | |
| blazzzhenny2 | Greatest Common Divisor | 15 | |
| nankhanhhh | Efficient Exchange | 50 | |
| stevenferg | Quadratic Residues | 25 | |
| mad_irish | Great Snakes | 3 | |
| stevenferg | Modular Inverting | 25 | |
| mad_irish | Finding Flags | 2 | |
| kakashiUchihaAns | ASCII | 5 | |
| brew | Point Negation | 10 | |
| crowcell | Parameter Injection | 60 | |
| girvb | Base64 | 10 | |
| girvb | Hex | 5 | |
| girvb | ASCII | 5 | |
| girvb | Great Snakes | 3 | |
| girvb | Finding Flags | 2 | |
| seaboose | ASCII | 5 | |
| gofmank | Export-grade | 100 | |
| jscornelius | ECB CBC WTF | 55 | |
| PRANSHU_MATHS | Finding Flags | 2 | |
| Kieetj | Base64 | 10 | |
| Kieetj | Hex | 5 | |
| Kieetj | ASCII | 5 | |
| gofmank | Modular Arithmetic 2 | 20 | |
| Kieetj | Great Snakes | 3 | |
| achoooo | Chinese Remainder Theorem | 40 | |
| Kieetj | Finding Flags | 2 | |
| PRANSHU_MATHS | Keyed Permutations | 5 | |
| cpicozzi | Pad Thai | 80 | |
| jonas2 | You either know, XOR you don't | 30 | |
| gofmank | Hash Stuffing | 50 | |
| gofmank | Size and Basis | 15 | |
| y4mm1 | LWE Background | 5 | |
| So5 | Base64 | 10 | |
| Warlock04 | Encoding Challenge | 40 | |
| So5 | Hex | 5 | |
| seaboose | Great Snakes | 3 | |
| seaboose | Finding Flags | 2 | |
| lapa | Flipping Cookie | 60 |
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