| Date | User | Challenge | Score |
| KirinByte | Hex | 5 | |
| Sualdensala_12 | Great Snakes | 3 | |
| _Kookie | Confusion through Substitution | 25 | |
| KirinByte | ASCII | 5 | |
| NoBirdWasHam | Square Eyes | 35 | |
| Yougank | XOR Starter | 10 | |
| neb1pomana | You either know, XOR you don't | 30 | |
| anhsaoleloi | Smooth Criminal | 60 | |
| maggiesimpson795 | ASCII | 5 | |
| ShiperNova | Broken RSA | 100 | |
| Sualdensala_12 | Finding Flags | 2 | |
| shravani__2 | XOR Properties | 15 | |
| rojin | XOR Properties | 15 | |
| ShiperNova | Bruce Schneier's Password | 100 | |
| rojin | XOR Starter | 10 | |
| SigmaMonster | Lazy CBC | 60 | |
| NoBirdWasHam | Manyprime | 40 | |
| NoBirdWasHam | Inferius Prime | 30 | |
| ShiperNova | Toshi's Treasure | 150 | |
| HandballHannes | Let's Decrypt | 80 | |
| maggiesimpson795 | Great Snakes | 3 | |
| ZakkyFauzi | RSA Signatures | 25 | |
| phomai739391 | Point Addition | 30 | |
| ZakkyFauzi | RSA Decryption | 20 | |
| neb1pomana | Favourite byte | 20 | |
| rojin | Bytes and Big Integers | 10 | |
| ZakkyFauzi | Private Keys | 20 | |
| nabilaaulia_782 | Generators of Groups | 20 | |
| maggiesimpson795 | Finding Flags | 2 | |
| ZakkyFauzi | Euler's Totient | 20 | |
| moyun | ASCII | 5 | |
| wulouiiiiiiiiii9 | Favourite byte | 20 | |
| nabilaaulia_782 | Working with Fields | 10 | |
| rojin | Base64 | 10 | |
| siriusraven | What's a Lattice? | 40 | |
| moyun | Great Snakes | 3 | |
| nabilaaulia_782 | Modulus Inutilis | 50 | |
| nabilaaulia_782 | Salty | 20 | |
| nabilaaulia_782 | Manyprime | 40 | |
| KirinByte | Great Snakes | 3 | |
| moyun | Finding Flags | 2 | |
| sirius_le | XOR Properties | 15 | |
| KirinByte | Finding Flags | 2 | |
| nabilaaulia_782 | Monoprime | 30 | |
| nabilaaulia_782 | Factoring | 15 | |
| neb1pomana | XOR Properties | 15 | |
| rojin | Hex | 5 | |
| Blobberoot | XOR Starter | 10 | |
| nabilaaulia_782 | RSA Signatures | 25 | |
| nabilaaulia_782 | RSA Decryption | 20 |
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