| Date | User | Challenge | Score |
| LoopyPloofy | Modular Binomials | 80 | |
| 0xAbofiras | Base64 | 10 | |
| Learn_From_Nyamu | Passwords as Keys | 50 | |
| superhaka | Bytes and Big Integers | 10 | |
| MaxthecompFox | Extended GCD | 20 | |
| AlexEnderman | Legendre Symbol | 35 | |
| corua | Collider | 50 | |
| g4dZ0r | Flipping Cookie | 60 | |
| corua | WOTS Up 2 | 90 | |
| hidrolizuiza | You either know, XOR you don't | 30 | |
| Cheeb13 | Extended GCD | 20 | |
| highwayhike | Modular Inverting | 25 | |
| ahmed_1ACR | Structure of AES | 15 | |
| hidrolizuiza | Favourite byte | 20 | |
| corua | WOTS Up | 75 | |
| hidrolizuiza | XOR Properties | 15 | |
| sabian | Deriving Symmetric Keys | 40 | |
| sabian | Computing Shared Secrets | 30 | |
| sabian | Computing Public Values | 25 | |
| sabian | Generators of Groups | 20 | |
| Ditzchann | Quadratic Residues | 25 | |
| sabian | Working with Fields | 10 | |
| highwayhike | Modular Arithmetic 2 | 20 | |
| sabian | Modulus Inutilis | 50 | |
| sabian | Salty | 20 | |
| sabian | Manyprime | 40 | |
| Ditzchann | Modular Inverting | 25 | |
| sabian | Monoprime | 30 | |
| sabian | Factoring | 15 | |
| sabian | RSA Signatures | 25 | |
| sabian | RSA Decryption | 20 | |
| dragon99 | Adrien's Signs | 80 | |
| sabian | Private Keys | 20 | |
| sabian | Euler's Totient | 20 | |
| sabian | Public Keys | 15 | |
| Ditzchann | Modular Arithmetic 2 | 20 | |
| sabian | Modular Exponentiation | 10 | |
| Ditzchann | Modular Arithmetic 1 | 20 | |
| dragon99 | Chinese Remainder Theorem | 40 | |
| shizi | Modular Inverting | 25 | |
| Hanz_3816 | Diffusion through Permutation | 30 | |
| hidrolizuiza | XOR Starter | 10 | |
| LoopyPloofy | Adrien's Signs | 80 | |
| dragon99 | Modular Square Root | 35 | |
| wy366999 | You either know, XOR you don't | 30 | |
| provicy | Adrien's Signs | 80 | |
| shizi | Modular Arithmetic 2 | 20 | |
| Ditzchann | Extended GCD | 20 | |
| YWzhong | Diffusion through Permutation | 30 | |
| nprat | You either know, XOR you don't | 30 |
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