| Date | User | Challenge | Score |
| vigneshwaran0711 | Bytes and Big Integers | 10 | |
| Dr4g0nFly | Greatest Common Divisor | 15 | |
| dh404 | Bytes and Big Integers | 10 | |
| 4AAA4 | Public Keys | 15 | |
| 4AAA4 | Modular Exponentiation | 10 | |
| vigneshwaran0711 | Base64 | 10 | |
| p6k376 | Resisting Bruteforce | 10 | |
| p6k376 | Keyed Permutations | 5 | |
| dh404 | Base64 | 10 | |
| vigneshwaran0711 | Hex | 5 | |
| vigneshwaran0711 | ASCII | 5 | |
| dh404 | Hex | 5 | |
| vigneshwaran0711 | Great Snakes | 3 | |
| sadrikvo49 | RSA Decryption | 20 | |
| vigneshwaran0711 | Finding Flags | 2 | |
| nalina3179 | Size and Basis | 15 | |
| 4AAA4 | Modular Binomials | 80 | |
| fancylake | Monoprime | 30 | |
| sadrikvo49 | Private Keys | 20 | |
| Palesword | Chinese Remainder Theorem | 40 | |
| nalina3179 | Vectors | 10 | |
| fancylake | Factoring | 15 | |
| Dessert | Background Reading | 5 | |
| fancylake | RSA Signatures | 25 | |
| Kahfi30134 | Round Keys | 20 | |
| fancylake | RSA Decryption | 20 | |
| nalina3179 | Background Reading | 5 | |
| fancylake | Private Keys | 20 | |
| fancylake | Euler's Totient | 20 | |
| Wannabecoder23 | Finding Flags | 2 | |
| fancylake | Public Keys | 15 | |
| fancylake | Modular Exponentiation | 10 | |
| m4cr0 | Deriving Symmetric Keys | 40 | |
| asddsaqweewq | XOR Properties | 15 | |
| m4cr0 | Computing Shared Secrets | 30 | |
| m4cr0 | Computing Public Values | 25 | |
| nalina3179 | Generators of Groups | 20 | |
| m4cr0 | Generators of Groups | 20 | |
| p6k376 | Modular Binomials | 80 | |
| Palesword | Modular Square Root | 35 | |
| m4cr0 | Working with Fields | 10 | |
| Namunamu | Let's Decrypt | 80 | |
| m4cr0 | Modulus Inutilis | 50 | |
| m4cr0 | Salty | 20 | |
| m4cr0 | Manyprime | 40 | |
| soconnor3618 | You either know, XOR you don't | 30 | |
| nalina3179 | Deriving Symmetric Keys | 40 | |
| soconnor3618 | Favourite byte | 20 | |
| m4cr0 | Monoprime | 30 | |
| soconnor3618 | XOR Properties | 15 |
You are now level Current level