| Date | User | Challenge | Score |
| XIAOZAHNG | Base64 | 10 | |
| Holfelder | Diffusion through Permutation | 30 | |
| Wistian | Quadratic Residues | 25 | |
| lagerat | Modular Square Root | 35 | |
| Abhas | Bytes and Big Integers | 10 | |
| Shadow_0131 | Hex | 5 | |
| zia_rodrigues | Great Snakes | 3 | |
| n7867564 | Round Keys | 20 | |
| Shadow_0131 | ASCII | 5 | |
| Baldy1990 | Modular Arithmetic 1 | 20 | |
| ducbao_luke | Modular Square Root | 35 | |
| mrdavidson23 | Modular Arithmetic 1 | 20 | |
| n7867564 | Structure of AES | 15 | |
| rujula | Finding Flags | 2 | |
| mrdavidson23 | Extended GCD | 20 | |
| XIAOZAHNG | Hex | 5 | |
| Wistian | Modular Inverting | 25 | |
| mrdavidson23 | Greatest Common Divisor | 15 | |
| Abhas | Base64 | 10 | |
| mrdavidson23 | You either know, XOR you don't | 30 | |
| Wistian | Modular Arithmetic 2 | 20 | |
| Abhas | Hex | 5 | |
| Baldy1990 | Extended GCD | 20 | |
| skimmer | Point Negation | 10 | |
| tempest7716 | Resisting Bruteforce | 10 | |
| Abhas | ASCII | 5 | |
| tempest7716 | Keyed Permutations | 5 | |
| n7867564 | Resisting Bruteforce | 10 | |
| Mr7F | Long Story Short | 60 | |
| mrdavidson23 | Favourite byte | 20 | |
| Wistian | Modular Arithmetic 1 | 20 | |
| nas_shar | XOR Starter | 10 | |
| divyanshu_dt | Moving Problems | 150 | |
| divyanshu_dt | ProSign 3 | 100 | |
| n7867564 | Keyed Permutations | 5 | |
| divyanshu_dt | Curveball | 100 | |
| divyanshu_dt | Smooth Criminal | 60 | |
| mrdavidson23 | XOR Properties | 15 | |
| divyanshu_dt | Montgomery's Ladder | 40 | |
| nas_shar | Bytes and Big Integers | 10 | |
| divyanshu_dt | Efficient Exchange | 50 | |
| divyanshu_dt | Curves and Logs | 40 | |
| divyanshu_dt | Scalar Multiplication | 35 | |
| MF47 | Great Snakes | 3 | |
| divyanshu_dt | Point Addition | 30 | |
| divyanshu_dt | Point Negation | 10 | |
| Abhas | Great Snakes | 3 | |
| Mr7F | Seventy-Two | 50 | |
| Wistian | Extended GCD | 20 | |
| Bhargavi_13 | Moving Problems | 150 |
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