| Date | User | Challenge | Score |
| JovanHoney | Hex | 5 | |
| Arsyf | Manyprime | 40 | |
| zyx_z | Chinese Remainder Theorem | 40 | |
| rainytuesday | Point Negation | 10 | |
| Melbackk | XOR Properties | 15 | |
| Spirit12 | You either know, XOR you don't | 30 | |
| benito255 | Trust Games | 150 | |
| cyk0sure | Find the Lattice | 100 | |
| NicoNieners | Legendre Symbol | 35 | |
| bepto | XOR Properties | 15 | |
| JovanHoney | ASCII | 5 | |
| evantampa129 | Bean Counter | 60 | |
| JovanHoney | Great Snakes | 3 | |
| KoreaMrKing | Monoprime | 30 | |
| evantampa129 | Symmetry | 50 | |
| JovanHoney | Finding Flags | 2 | |
| sandwhales | Lemur XOR | 40 | |
| untether | Favourite byte | 20 | |
| evantampa129 | Flipping Cookie | 60 | |
| untether | XOR Properties | 15 | |
| KoreaMrKing | Inferius Prime | 30 | |
| katanabeneficial | RSA Decryption | 20 | |
| Spirit12 | Favourite byte | 20 | |
| noppakorn001 | Additional problems (CSC Belgium) | 0 | |
| joaotheboss | Modular Square Root | 35 | |
| Spirit12 | XOR Properties | 15 | |
| KoreaMrKing | Factoring | 15 | |
| Vinjr | MD0 | 80 | |
| NicoNieners | Quadratic Residues | 25 | |
| Wequra | ProSign 3 | 100 | |
| sandwhales | Favourite byte | 20 | |
| KoreaMrKing | RSA Signatures | 25 | |
| Melbackk | XOR Starter | 10 | |
| untether | XOR Starter | 10 | |
| noppakorn001 | Hyper512 (HITCON CTF) | 0 | |
| zyx_z | Modular Square Root | 35 | |
| noppakorn001 | Fischlin's Transformation (CryptoHack) | 0 | |
| Zira | Monoprime | 30 | |
| ntn3565b | Background Reading | 5 | |
| noppakorn001 | OR Proof (CryptoHack) | 0 | |
| noppakorn001 | Hamiltonicity (CryptoHack) | 0 | |
| User0069 | Ellipse Curve Cryptography | 125 | |
| untether | Bytes and Big Integers | 10 | |
| zyx_z | Legendre Symbol | 35 | |
| Wequra | Curveball | 100 | |
| ntn3565b | Modular Exponentiation | 10 | |
| aboj0 | Flipping Cookie | 60 | |
| djdd | Modular Square Root | 35 | |
| ntn3565b | Hex | 5 | |
| khawla1 | Great Snakes | 3 |
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