| Date | User | Challenge | Score |
| mavil27 | Merkle Trees | 25 | |
| michaeldeptrai | Great Snakes | 3 | |
| michaeldeptrai | Finding Flags | 2 | |
| immsoleym | Adrien's Signs | 80 | |
| immsoleym | Chinese Remainder Theorem | 40 | |
| Ah_Crypto2 | Modular Inverting | 25 | |
| immsoleym | Modular Square Root | 35 | |
| Huobase | LFSR Destroyer | 250 | |
| capnolove | Token Appreciation | 5 | |
| Tawagon | Chinese Remainder Theorem | 40 | |
| Tawagon | Modular Square Root | 35 | |
| immsoleym | Legendre Symbol | 35 | |
| Ah_Crypto2 | Modular Arithmetic 2 | 20 | |
| Eday | Legendre Symbol | 35 | |
| Khalid12aa | Finding Flags | 2 | |
| Crisxian | Legendre Symbol | 35 | |
| lodzap | Resisting Bruteforce | 10 | |
| User0069 | Pad Thai | 80 | |
| Ah_Crypto2 | Modular Arithmetic 1 | 20 | |
| Staroll | Export-grade | 100 | |
| NicoleMorales | Null or Never | 100 | |
| JOHNMICHAEL | You either know, XOR you don't | 30 | |
| JOHNMICHAEL | Favourite byte | 20 | |
| JOHNMICHAEL | XOR Properties | 15 | |
| dlesk | Real Eisenstein | 150 | |
| JOHNMICHAEL | XOR Starter | 10 | |
| JOHNMICHAEL | Bytes and Big Integers | 10 | |
| capnolove | Merkle Trees | 25 | |
| JOHNMICHAEL | Base64 | 10 | |
| JOHNMICHAEL | Hex | 5 | |
| NicoleMorales | Signing Server | 60 | |
| JOHNMICHAEL | ASCII | 5 | |
| yuxuan | Bytes and Big Integers | 10 | |
| JOHNMICHAEL | Great Snakes | 3 | |
| JOHNMICHAEL | Finding Flags | 2 | |
| immsoleym | Quadratic Residues | 25 | |
| immsoleym | Modular Inverting | 25 | |
| immsoleym | Modular Arithmetic 2 | 20 | |
| Dave142 | Great Snakes | 3 | |
| NicoleMorales | Let's Decrypt | 80 | |
| immsoleym | Modular Arithmetic 1 | 20 | |
| Marjelyne | Network Attacks | 5 | |
| Lauromar | Quadratic Residues | 25 | |
| katedawagan | Extended GCD | 20 | |
| Dave142 | Finding Flags | 2 | |
| dong | ASCII | 5 | |
| NicoleMorales | Blinding Light | 120 | |
| NicoleMorales | Bespoke Padding | 100 | |
| dong | Great Snakes | 3 | |
| PAWOS | Static Client 2 | 120 |
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