| Date | User | Challenge | Score |
| heartstoller | Base64 | 10 | |
| DuckMaster | Modular Square Root | 35 | |
| heartstoller | Hex | 5 | |
| lvcosta2704 | Base64 | 10 | |
| heartstoller | ASCII | 5 | |
| heartstoller | Network Attacks | 5 | |
| Meirm320 | Modular Inverting | 25 | |
| heartstoller | Great Snakes | 3 | |
| heartstoller | Finding Flags | 2 | |
| lvcosta2704 | Hex | 5 | |
| qwelonelyforever | Greatest Common Divisor | 15 | |
| xebxx | Legendre Symbol | 35 | |
| kzzm | Curveball | 100 | |
| Diegulio | Finding Flags | 2 | |
| lvcosta2704 | ASCII | 5 | |
| pin | Proofs of Knowledge | 20 | |
| Meirm320 | Modular Arithmetic 2 | 20 | |
| Meirm320 | Modular Arithmetic 1 | 20 | |
| pin | Introduction to Isogenies | 10 | |
| CryptoBro | Extended GCD | 20 | |
| yoav_s | Point Negation | 10 | |
| lvcosta2704 | Network Attacks | 5 | |
| siri23 | XOR Starter | 10 | |
| yoav_s | Background Reading | 5 | |
| lama2005 | Base64 | 10 | |
| caty | Manyprime | 40 | |
| Meirm320 | Extended GCD | 20 | |
| lvcosta2704 | Great Snakes | 3 | |
| pin | Twin Keys | 100 | |
| Meirm320 | Greatest Common Divisor | 15 | |
| lvcosta2704 | Finding Flags | 2 | |
| elbasel | Quadratic Residues | 25 | |
| lama2005 | Hex | 5 | |
| Pwnion | Favourite byte | 20 | |
| pin | PriMeD5 | 100 | |
| pin | Hash Stuffing | 50 | |
| DuckMaster | Legendre Symbol | 35 | |
| pin | Collider | 50 | |
| Seventt | Quadratic Residues | 25 | |
| S1RJAM3S | Find the Lattice | 100 | |
| ZongxiYang | Structure of AES | 15 | |
| Pwnion | XOR Properties | 15 | |
| MrAran301 | Favourite byte | 20 | |
| lama2005 | ASCII | 5 | |
| lama2005 | Great Snakes | 3 | |
| MrAran301 | XOR Properties | 15 | |
| ZongxiYang | Resisting Bruteforce | 10 | |
| caty | Square Eyes | 35 | |
| tullycrypt | Sharks on the Wire | 10 | |
| Meirm320 | Network Attacks | 5 |
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