| Date | User | Challenge | Score |
| yrighting | Bytes and Big Integers | 10 | |
| astatic11 | Point Negation | 10 | |
| jpasierb | Square Eyes | 35 | |
| tkhnnh | Extended GCD | 20 | |
| Showkara | Couples | 100 | |
| wuhuan | Size and Basis | 15 | |
| astatic11 | Background Reading | 5 | |
| c0dedigger | ZKP Introduction | 5 | |
| jpasierb | Monoprime | 30 | |
| aiden0909 | Point Negation | 10 | |
| guyu | Modular Binomials | 80 | |
| Tran_Hinh_Loai | Structure of AES | 15 | |
| TealTurtoise | XOR Starter | 10 | |
| yurin3440 | Background Reading | 5 | |
| jpasierb | Inferius Prime | 30 | |
| Mrsh1014 | Montgomery's Ladder | 40 | |
| gini | Point Negation | 10 | |
| Aster_666 | Modular Square Root | 35 | |
| wuhuan | Vectors | 10 | |
| ali_hamas | Chinese Remainder Theorem | 40 | |
| ali_hamas | Modular Square Root | 35 | |
| Sabe | Base64 | 10 | |
| jpasierb | Factoring | 15 | |
| Baeco | Static Client 2 | 120 | |
| ali_hamas | Legendre Symbol | 35 | |
| Sabe | Hex | 5 | |
| Sabe | ASCII | 5 | |
| jpasierb | RSA Signatures | 25 | |
| latsnalis | Background Reading | 5 | |
| jpasierb | RSA Decryption | 20 | |
| Sh3lly | Quadratic Residues | 25 | |
| jpasierb | Private Keys | 20 | |
| hayatullah23035 | Lemur XOR | 40 | |
| Sabe | Great Snakes | 3 | |
| gini | Background Reading | 5 | |
| jpasierb | Euler's Totient | 20 | |
| yrighting | Base64 | 10 | |
| jpasierb | Public Keys | 15 | |
| ali_hamas | Quadratic Residues | 25 | |
| Valendula | Diffusion through Permutation | 30 | |
| jpasierb | Modular Exponentiation | 10 | |
| guyu | Adrien's Signs | 80 | |
| Sabe | Finding Flags | 2 | |
| bemartian | Quadratic Residues | 25 | |
| Valendula | Confusion through Substitution | 25 | |
| ali_hamas | Modular Inverting | 25 | |
| hayatullah23035 | Extended GCD | 20 | |
| ali_hamas | Modular Arithmetic 2 | 20 | |
| Valendula | Round Keys | 20 | |
| hayatullah23035 | Greatest Common Divisor | 15 |
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