| Date | User | Challenge | Score |
| LED_0102 | Keyed Permutations | 5 | |
| bear123 | Modular Inverting | 25 | |
| abuh | You either know, XOR you don't | 30 | |
| quantumwings | You either know, XOR you don't | 30 | |
| a1run1Mandal | Great Snakes | 3 | |
| steflon | Quadratic Residues | 25 | |
| sixsquareAI | Base64 | 10 | |
| Duckart | Greatest Common Divisor | 15 | |
| jiangshiyi | ASCII | 5 | |
| abuh | Favourite byte | 20 | |
| p6k376 | Monoprime | 30 | |
| vigneshwaran0711 | Legendre Symbol | 35 | |
| jiangshiyi | Great Snakes | 3 | |
| abuh | XOR Properties | 15 | |
| lucy54 | Manyprime | 40 | |
| bear123 | Modular Arithmetic 2 | 20 | |
| Sakurine | ECB Oracle | 60 | |
| pppp | Introduction to Isogenies | 10 | |
| bear123 | Modular Arithmetic 1 | 20 | |
| sixsquareAI | Hex | 5 | |
| quantumwings | Favourite byte | 20 | |
| Hykon | Everything is Big | 70 | |
| a1run1Mandal | Finding Flags | 2 | |
| bear123 | Extended GCD | 20 | |
| Froxmano | Hex | 5 | |
| abuh | XOR Starter | 10 | |
| Hykon | Square Eyes | 35 | |
| clemensGooooo | MDFlag | 125 | |
| LED_0102 | Modular Binomials | 80 | |
| Hykon | Inferius Prime | 30 | |
| Asma089 | You either know, XOR you don't | 30 | |
| quantumwings | XOR Properties | 15 | |
| speedy010 | Hex | 5 | |
| luqman30 | Monoprime | 30 | |
| Hykon | Working with Fields | 10 | |
| Hykon | Modulus Inutilis | 50 | |
| speedy010 | ASCII | 5 | |
| abuh | Bytes and Big Integers | 10 | |
| abuh | Base64 | 10 | |
| abuh | Hex | 5 | |
| Hykon | Salty | 20 | |
| sixsquareAI | ASCII | 5 | |
| bear123 | Greatest Common Divisor | 15 | |
| speedy010 | Great Snakes | 3 | |
| abuh | ASCII | 5 | |
| speedy010 | Finding Flags | 2 | |
| luqman30 | Factoring | 15 | |
| Hykon | Manyprime | 40 | |
| p6k376 | Factoring | 15 | |
| p6k376 | RSA Signatures | 25 |
You are now level Current level