| Date | User | Challenge | Score |
| Morticiaxx | Modular Square Root | 35 | |
| vas_fountas | CERTainly not | 30 | |
| sullivada | Hex | 5 | |
| Namunamu | LWE High Bits Message | 15 | |
| sullivada | ASCII | 5 | |
| sullivada | Great Snakes | 3 | |
| vas_fountas | Quadratic Residues | 25 | |
| sullivada | Finding Flags | 2 | |
| Galois | Image Point Arithmetic | 30 | |
| susu1 | Finding Flags | 2 | |
| Morticiaxx | Legendre Symbol | 35 | |
| W0lf_19S | Adrien's Signs | 80 | |
| grazkaa | Endless Emails | 150 | |
| Galois | Where's the Supersingular Curve | 25 | |
| mrsifr | You either know, XOR you don't | 30 | |
| Galois | The j-invariant | 20 | |
| kesha | Keyed Permutations | 5 | |
| wcmocha | Favourite byte | 20 | |
| Namunamu | LWE Intro | 10 | |
| mrsifr | Favourite byte | 20 | |
| Namunamu | LWE Background | 5 | |
| Namunamu | Backpack Cryptography | 120 | |
| gellyfisher | Pad Thai | 80 | |
| lerequin | Modular Square Root | 35 | |
| mrsifr | XOR Properties | 15 | |
| DoitouKatsuki | Quadratic Residues | 25 | |
| Neutr0nys | Paper Plane | 120 | |
| JackyJuz | You either know, XOR you don't | 30 | |
| dracpak | Bean Counter | 60 | |
| bl4nkyy | Modular Square Root | 35 | |
| knkl384038 | Resisting Bruteforce | 10 | |
| ChinoCribioli | Authenticated Handshake | 40 | |
| DoitouKatsuki | Modular Inverting | 25 | |
| avm | WOTS Up 2 | 90 | |
| Tekq14 | You either know, XOR you don't | 30 | |
| kihoro | Finding Flags | 2 | |
| abigal3n | Base64 | 10 | |
| dimchee | Confusion through Substitution | 25 | |
| grazkaa | Everything is Still Big | 100 | |
| abigal3n | Hex | 5 | |
| abigal3n | ASCII | 5 | |
| bettfin | You either know, XOR you don't | 30 | |
| dimchee | Round Keys | 20 | |
| bettfin | Favourite byte | 20 | |
| daki | You either know, XOR you don't | 30 | |
| bettfin | XOR Properties | 15 | |
| bettfin | XOR Starter | 10 | |
| aljeladno | ASCII | 5 | |
| knkl384038 | Keyed Permutations | 5 | |
| bettfin | Bytes and Big Integers | 10 |
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