| Date | User | Challenge | Score |
| n26byte | Hex | 5 | |
| lOkOtOdO | Modular Exponentiation | 10 | |
| you12345 | Legendre Symbol | 35 | |
| kiaN2C | Legendre Symbol | 35 | |
| tropical_capy | You either know, XOR you don't | 30 | |
| Bright0 | Favourite byte | 20 | |
| iam3x | Base64 | 10 | |
| kiaN2C | Quadratic Residues | 25 | |
| iam3x | Hex | 5 | |
| kiaN2C | Modular Inverting | 25 | |
| iam3x | ASCII | 5 | |
| kiaN2C | Modular Arithmetic 2 | 20 | |
| iam3x | Great Snakes | 3 | |
| kiaN2C | Modular Arithmetic 1 | 20 | |
| kiaN2C | Extended GCD | 20 | |
| blinkiew | XOR Starter | 10 | |
| iam3x | Finding Flags | 2 | |
| blinkiew | Bytes and Big Integers | 10 | |
| n26byte | ASCII | 5 | |
| blinkiew | Base64 | 10 | |
| PaulMcGinnis | Modular Exponentiation | 10 | |
| FredK | ASCII | 5 | |
| blinkiew | Hex | 5 | |
| eternelman | Chinese Remainder Theorem | 40 | |
| n26byte | Great Snakes | 3 | |
| you12345 | Quadratic Residues | 25 | |
| blinkiew | ASCII | 5 | |
| Heavenly_Gourd | Greatest Common Divisor | 15 | |
| PaulMcGinnis | Greatest Common Divisor | 15 | |
| Be_Ria1 | Marin's Secrets | 50 | |
| eternelman | Modular Square Root | 35 | |
| kiaN2C | Greatest Common Divisor | 15 | |
| FredK | Great Snakes | 3 | |
| blinkiew | Great Snakes | 3 | |
| n26byte | Finding Flags | 2 | |
| Holl0w | Unbalanced (ICC Athens) | 0 | |
| Heavenly_Gourd | Quadratic Residues | 25 | |
| Visitor001 | Lemur XOR | 40 | |
| FredK | Finding Flags | 2 | |
| PaulMcGinnis | Jack's Birthday Confusion | 30 | |
| lucy54 | Lack of Entropy (Firebird Internal CTF) | 0 | |
| F22 | You either know, XOR you don't | 30 | |
| yasmiiiiiiiiine | Bringing It All Together | 50 | |
| eternelman | Legendre Symbol | 35 | |
| PaulMcGinnis | Jack's Birthday Hash | 20 | |
| yasmiiiiiiiiine | Diffusion through Permutation | 30 | |
| Magixx | XOR Properties | 15 | |
| PaulMcGinnis | Introduction to Isogenies | 10 | |
| themoloch | Bytes and Big Integers | 10 | |
| yasmiiiiiiiiine | Confusion through Substitution | 25 |
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