| Date | User | Challenge | Score |
| gaosh | Modular Exponentiation | 10 | |
| lemonctf | Resisting Bruteforce | 10 | |
| Akmalbaee | Hex | 5 | |
| 0xMarta | Euler's Totient | 20 | |
| Akmalbaee | ASCII | 5 | |
| Akmalbaee | Network Attacks | 5 | |
| 168961 | Modular Binomials | 80 | |
| 168961 | Adrien's Signs | 80 | |
| yzahorulko | Parameter Injection | 60 | |
| 168961 | Chinese Remainder Theorem | 40 | |
| 168961 | Modular Square Root | 35 | |
| geraldnyeo | Decrypting TLS 1.2 | 30 | |
| kernelghost | ASCII | 5 | |
| 0xMarta | Public Keys | 15 | |
| 168961 | Legendre Symbol | 35 | |
| vtmdev | Modular Arithmetic 2 | 20 | |
| 168961 | Quadratic Residues | 25 | |
| 168961 | Modular Inverting | 25 | |
| Jolbirc | XOR Properties | 15 | |
| 168961 | Modular Arithmetic 2 | 20 | |
| 168961 | Modular Arithmetic 1 | 20 | |
| 0xMarta | Modular Exponentiation | 10 | |
| 168961 | Extended GCD | 20 | |
| vtmdev | Modular Arithmetic 1 | 20 | |
| 168961 | Greatest Common Divisor | 15 | |
| kernelghost | Great Snakes | 3 | |
| vtmdev | Extended GCD | 20 | |
| kernelghost | Finding Flags | 2 | |
| Ucandoit | Great Snakes | 3 | |
| chaeeeyoon05 | Factoring | 15 | |
| vtmdev | Greatest Common Divisor | 15 | |
| Rocky888 | ECB Oracle | 60 | |
| chaeeeyoon05 | RSA Signatures | 25 | |
| joyful_squid9188 | Finding Flags | 2 | |
| VAWN2303 | Hex | 5 | |
| Ucandoit | Finding Flags | 2 | |
| Pulldown | Quadratic Residues | 25 | |
| chaeeeyoon05 | RSA Decryption | 20 | |
| Rocky888 | Export-grade | 100 | |
| chaeeeyoon05 | Private Keys | 20 | |
| Pulldown | Modular Inverting | 25 | |
| unigifki | Computing Public Values | 25 | |
| Pulldown | Modular Arithmetic 2 | 20 | |
| chaeeeyoon05 | Euler's Totient | 20 | |
| chaeeeyoon05 | Public Keys | 15 | |
| Rocky888 | Parameter Injection | 60 | |
| chaeeeyoon05 | Modular Exponentiation | 10 | |
| Pulldown | Modular Arithmetic 1 | 20 | |
| Wissc | You either know, XOR you don't | 30 | |
| NathanVong | Quadratic Residues | 25 |
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