| Date | User | Challenge | Score |
| TimonTom | Diffusion through Permutation | 30 | |
| alsgn1_ | Hyper512 (HITCON CTF) | 0 | |
| vtnam | Square Eyes | 35 | |
| llllluguan | Great Snakes | 3 | |
| lightningevil | Hex | 5 | |
| TimonTom | Confusion through Substitution | 25 | |
| stonepusher | Modular Arithmetic 2 | 20 | |
| alsgn1_ | Unbalanced (ICC Athens) | 0 | |
| majk | Bringing It All Together | 50 | |
| alsgn1_ | One Round Crypto (ECSC 2024 (Italy)) | 0 | |
| alsgn1_ | Sign In Please, Again (HKCERT CTF) | 0 | |
| majk | Diffusion through Permutation | 30 | |
| TimonTom | Round Keys | 20 | |
| majk | Confusion through Substitution | 25 | |
| taetae1911 | Finding Flags | 2 | |
| majk | Round Keys | 20 | |
| lightningevil | ASCII | 5 | |
| TimonTom | Structure of AES | 15 | |
| majk | Structure of AES | 15 | |
| majk | Resisting Bruteforce | 10 | |
| argekunagi1 | Confusion through Substitution | 25 | |
| majk | Keyed Permutations | 5 | |
| majk | Modular Binomials | 80 | |
| Leizoe | CERTainly not | 30 | |
| argekunagi1 | Round Keys | 20 | |
| argekunagi1 | Structure of AES | 15 | |
| TimonTom | Resisting Bruteforce | 10 | |
| argekunagi1 | Resisting Bruteforce | 10 | |
| ArifIlham | RSA Decryption | 20 | |
| sultanfitrohkh | RSA Decryption | 20 | |
| ArifIlham | Private Keys | 20 | |
| gerry | Structure of AES | 15 | |
| sultanfitrohkh | Private Keys | 20 | |
| sultanfitrohkh | Euler's Totient | 20 | |
| ArifIlham | Euler's Totient | 20 | |
| NikSeim | Structure of AES | 15 | |
| argekunagi1 | Keyed Permutations | 5 | |
| ArifIlham | Public Keys | 15 | |
| ArifIlham | Modular Exponentiation | 10 | |
| sultanfitrohkh | Public Keys | 15 | |
| alsgn1_ | ECLCG (HITCON CTF) | 0 | |
| Leizoe | Privacy-Enhanced Mail? | 25 | |
| vtnam | Monoprime | 30 | |
| sultanfitrohkh | Modular Exponentiation | 10 | |
| TimonTom | Keyed Permutations | 5 | |
| majk | Adrien's Signs | 80 | |
| jreall | Public Keys | 15 | |
| stonepusher | Modular Arithmetic 1 | 20 | |
| majk | Chinese Remainder Theorem | 40 | |
| xd_matus_xd | Modular Binomials | 80 |
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