| Date | User | Challenge | Score |
| Nevixi | Hex | 5 | |
| jdp17 | Hex | 5 | |
| lintangpambayun | RSA Decryption | 20 | |
| jdp17 | ASCII | 5 | |
| FrostyMC09 | Great Snakes | 3 | |
| lintangpambayun | Private Keys | 20 | |
| Mikayn | XOR Properties | 15 | |
| jdp17 | Great Snakes | 3 | |
| jdp17 | Finding Flags | 2 | |
| lintangpambayun | Euler's Totient | 20 | |
| caipeicheng | Modular Inverting | 25 | |
| lintangpambayun | Public Keys | 15 | |
| Daria8976 | Modular Arithmetic 1 | 20 | |
| lintangpambayun | Modular Exponentiation | 10 | |
| caipeicheng | Modular Arithmetic 2 | 20 | |
| User0069 | Nativity | 60 | |
| FrostyMC09 | Finding Flags | 2 | |
| sanya338 | Diffusion through Permutation | 30 | |
| caipeicheng | Modular Arithmetic 1 | 20 | |
| marcofireball84 | What's a Lattice? | 40 | |
| caipeicheng | Extended GCD | 20 | |
| xseris | SSH Keys | 35 | |
| marcofireball84 | Gram Schmidt | 30 | |
| jac0 | Curves and Logs | 40 | |
| radare | Unimplemented (TETCTF) | 0 | |
| YouDecide | The Matrix | 75 | |
| sanya338 | Confusion through Substitution | 25 | |
| KintaZi | Round Keys | 20 | |
| benito255 | RSA or HMAC? Part 2 | 100 | |
| rishiKraven | XOR Properties | 15 | |
| KintaZi | Structure of AES | 15 | |
| sanya338 | Round Keys | 20 | |
| benito255 | WOTS Up 2 | 90 | |
| mbexy | Quadratic Residues | 25 | |
| benito255 | WOTS Up | 75 | |
| sanya338 | Structure of AES | 15 | |
| benito255 | Merkle Trees | 25 | |
| xseris | Transparency | 50 | |
| KintaZi | Resisting Bruteforce | 10 | |
| dustincaesar | Lemur XOR | 40 | |
| landerson_ | Confusion through Substitution | 25 | |
| Sxpck1 | Base64 | 10 | |
| caipeicheng | Greatest Common Divisor | 15 | |
| landerson_ | Round Keys | 20 | |
| sanya338 | Resisting Bruteforce | 10 | |
| sixsquareAI | Checkpoint | 150 | |
| KintaZi | Keyed Permutations | 5 | |
| sanya338 | Keyed Permutations | 5 | |
| xseris | Cofactor Cofantasy | 150 | |
| jac0 | Scalar Multiplication | 35 |
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