| Date | User | Challenge | Score |
| flover | ASCII | 5 | |
| Bantha_Pro | Finding Flags | 2 | |
| nickkanan | XOR Starter | 10 | |
| sinsinati5 | Computing Public Values | 25 | |
| sinsinati5 | Generators of Groups | 20 | |
| sinsinati5 | Working with Fields | 10 | |
| sinsinati5 | Modulus Inutilis | 50 | |
| nickkanan | Bytes and Big Integers | 10 | |
| flover | Great Snakes | 3 | |
| Bringit | Favourite byte | 20 | |
| 111 | ASCII | 5 | |
| siapaHeker | Greatest Common Divisor | 15 | |
| Keerthan_V | Public Keys | 15 | |
| blight1692 | Great Snakes | 3 | |
| sinsinati5 | Salty | 20 | |
| blight1692 | Finding Flags | 2 | |
| 111 | Great Snakes | 3 | |
| 111 | Finding Flags | 2 | |
| sinsinati5 | Manyprime | 40 | |
| Siri | Greatest Common Divisor | 15 | |
| magor | You either know, XOR you don't | 30 | |
| randomstar | Successive Powers | 60 | |
| abraxii | Diffusion through Permutation | 30 | |
| aakansh_m | Modular Binomials | 80 | |
| sinsinati5 | Monoprime | 30 | |
| nickkanan | Base64 | 10 | |
| nickkanan | Hex | 5 | |
| sinsinati5 | Factoring | 15 | |
| aakansh_m | Adrien's Signs | 80 | |
| flover | Finding Flags | 2 | |
| g0ld3np4r3y | Greatest Common Divisor | 15 | |
| sinsinati5 | RSA Signatures | 25 | |
| nickkanan | ASCII | 5 | |
| nickkanan | Great Snakes | 3 | |
| nickkanan | Finding Flags | 2 | |
| abraxii | Confusion through Substitution | 25 | |
| sinsinati5 | RSA Decryption | 20 | |
| randomstar | Extended GCD | 20 | |
| sinsinati5 | Private Keys | 20 | |
| aakansh_m | Chinese Remainder Theorem | 40 | |
| Bringit | XOR Properties | 15 | |
| wigglesplif | You either know, XOR you don't | 30 | |
| sinsinati5 | Euler's Totient | 20 | |
| aakansh_m | Modular Square Root | 35 | |
| sinsinati5 | Public Keys | 15 | |
| sinsinati5 | Modular Exponentiation | 10 | |
| sinsinati5 | Modular Binomials | 80 | |
| sinsinati5 | Adrien's Signs | 80 | |
| abraxii | Round Keys | 20 | |
| sinsinati5 | Chinese Remainder Theorem | 40 |
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