| Date | User | Challenge | Score |
| JellyGames | Modular Binomials | 80 | |
| Hib00boo | Everything is Big | 70 | |
| rolanp | Base64 | 10 | |
| 0xmvmd | XOR Properties | 15 | |
| yeyiux | Bytes and Big Integers | 10 | |
| ub_krypto_25_12 | Working with Fields | 10 | |
| Mycr0ft | Bytes and Big Integers | 10 | |
| kaneman_of_zero | Quadratic Residues | 25 | |
| doublejue | Euler's Totient | 20 | |
| ub_krypto_20 | RSA Signatures | 25 | |
| ub_krypto_25_12 | Round Keys | 20 | |
| Zebr0s | Modular Binomials | 80 | |
| Codelearner556 | Finding Flags | 2 | |
| yeyiux | Base64 | 10 | |
| Zebr0s | Adrien's Signs | 80 | |
| averyhoch | Favourite byte | 20 | |
| Kenny_22 | Base64 | 10 | |
| rolanp | Hex | 5 | |
| kaneman_of_zero | Modular Inverting | 25 | |
| Kenny_22 | Hex | 5 | |
| ub_krypto_17 | RSA Decryption | 20 | |
| Mycr0ft | Base64 | 10 | |
| ub_krypto_17 | Private Keys | 20 | |
| averyhoch | XOR Properties | 15 | |
| kaneman_of_zero | Modular Arithmetic 2 | 20 | |
| Baroad | Base64 | 10 | |
| Zebr0s | Chinese Remainder Theorem | 40 | |
| ub_krypto_17 | Euler's Totient | 20 | |
| Zebr0s | Modular Square Root | 35 | |
| Kenny_22 | ASCII | 5 | |
| Zebr0s | Legendre Symbol | 35 | |
| 7_One_That | Base64 | 10 | |
| obahya | Round Keys | 20 | |
| Zebr0s | Quadratic Residues | 25 | |
| Mycr0ft | Hex | 5 | |
| wcmason | Modular Arithmetic 1 | 20 | |
| Zebr0s | Modular Inverting | 25 | |
| 7_One_That | Hex | 5 | |
| ub_krypto_17 | Public Keys | 15 | |
| kaneman_of_zero | Modular Arithmetic 1 | 20 | |
| Zebr0s | Modular Arithmetic 2 | 20 | |
| Zebr0s | Modular Arithmetic 1 | 20 | |
| kaneman_of_zero | Extended GCD | 20 | |
| 7_One_That | ASCII | 5 | |
| ub_krypto_17 | Modular Exponentiation | 10 | |
| Zebr0s | Extended GCD | 20 | |
| Mycr0ft | ASCII | 5 | |
| CtREL0K | Find the Lattice | 100 | |
| Zebr0s | Greatest Common Divisor | 15 | |
| ub_krypto_20 | RSA Decryption | 20 |
You are now level Current level