| Date | User | Challenge | Score |
| Susie | Finding Flags | 2 | |
| nc4 | You either know, XOR you don't | 30 | |
| fentaohe | Factoring | 15 | |
| wizzly | Resisting Bruteforce | 10 | |
| wizzly | Keyed Permutations | 5 | |
| TiaraCitraL | RSA Signatures | 25 | |
| nysfatimahna | RSA Signatures | 25 | |
| wizzly | XOR Properties | 15 | |
| wizzly | XOR Starter | 10 | |
| Nazriel | Bytes and Big Integers | 10 | |
| wizzly | Bytes and Big Integers | 10 | |
| rapt00r | Decrypting TLS 1.3 | 35 | |
| wizzly | Base64 | 10 | |
| edricteokf | Diffusion through Permutation | 30 | |
| wizzly | Hex | 5 | |
| wizzly | ASCII | 5 | |
| lucy54 | SSH Keys | 35 | |
| wizzly | Great Snakes | 3 | |
| wizzly | Finding Flags | 2 | |
| nysfatimahna | RSA Decryption | 20 | |
| TiaraCitraL | RSA Decryption | 20 | |
| vivisect0r | RSA Decryption | 20 | |
| nysfatimahna | Private Keys | 20 | |
| vivisect0r | Private Keys | 20 | |
| lucy54 | CERTainly not | 30 | |
| Kaynelden | Bytes and Big Integers | 10 | |
| nysfatimahna | Euler's Totient | 20 | |
| nysfatimahna | Public Keys | 15 | |
| pseudonymous_ | Deriving Symmetric Keys | 40 | |
| sixsquareAI | RSA Signatures | 25 | |
| TiaraCitraL | Private Keys | 20 | |
| pseudonymous_ | Computing Shared Secrets | 30 | |
| sadrikvo49 | Export-grade | 100 | |
| edricteokf | Confusion through Substitution | 25 | |
| fentaohe | RSA Signatures | 25 | |
| nysfatimahna | Modular Exponentiation | 10 | |
| pseudonymous_ | Computing Public Values | 25 | |
| TiaraCitraL | Euler's Totient | 20 | |
| edricteokf | Round Keys | 20 | |
| lucy54 | Network Attacks | 5 | |
| Bayes | Modular Inverting | 25 | |
| edricteokf | Structure of AES | 15 | |
| pseudonymous_ | Generators of Groups | 20 | |
| TiaraCitraL | Public Keys | 15 | |
| Bayes | Modular Arithmetic 2 | 20 | |
| qdsdmp | Legendre Symbol | 35 | |
| Bayes | Modular Arithmetic 1 | 20 | |
| Bayes | Extended GCD | 20 | |
| TiaraCitraL | Modular Exponentiation | 10 | |
| Bayes | Greatest Common Divisor | 15 |
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