| Date | User | Challenge | Score |
| Damsssss | Deriving Symmetric Keys | 40 | |
| aabbcc | From Private to Public Key LWE | 25 | |
| aabbcc | LWE Low Bits Message | 20 | |
| stellev | You either know, XOR you don't | 30 | |
| aabbcc | LWE High Bits Message | 15 | |
| aabbcc | LWE Intro | 10 | |
| aabbcc | Backpack Cryptography | 120 | |
| NoBirdWasHam | Signing Server | 60 | |
| QBit221 | Hex | 5 | |
| alo04 | Structure of AES | 15 | |
| davidepellegrino | Great Snakes | 3 | |
| davidepellegrino | Finding Flags | 2 | |
| Damsssss | Computing Shared Secrets | 30 | |
| QBit221 | ASCII | 5 | |
| Damsssss | Computing Public Values | 25 | |
| Damsssss | Generators of Groups | 20 | |
| aabbcc | LWE Background | 5 | |
| redcrayola | Favourite byte | 20 | |
| Damsssss | Working with Fields | 10 | |
| aabbcc | Find the Lattice | 100 | |
| QBit221 | Great Snakes | 3 | |
| hyper | Token Appreciation | 5 | |
| Damsssss | Modulus Inutilis | 50 | |
| NoBirdWasHam | Marin's Secrets | 50 | |
| NoBirdWasHam | Infinite Descent | 50 | |
| aabbcc | Gaussian Reduction | 50 | |
| aabbcc | What's a Lattice? | 40 | |
| aabbcc | Gram Schmidt | 30 | |
| aabbcc | Size and Basis | 15 | |
| aabbcc | Vectors | 10 | |
| alo04 | Resisting Bruteforce | 10 | |
| cryptocylab | SSH Keys | 35 | |
| cryptocylab | Transparency | 50 | |
| cryptocylab | CERTainly not | 30 | |
| cryptocylab | Privacy-Enhanced Mail? | 25 | |
| cryptocylab | Lemur XOR | 40 | |
| redcrayola | XOR Properties | 15 | |
| cryptocylab | Encoding Challenge | 40 | |
| aabbcc | Montgomery's Ladder | 40 | |
| cryptocylab | Network Attacks | 5 | |
| cryptocylab | Export-grade | 100 | |
| alo04 | Keyed Permutations | 5 | |
| Damsssss | Salty | 20 | |
| QBit221 | Finding Flags | 2 | |
| cryptocylab | Parameter Injection | 60 | |
| cryptocylab | Deriving Symmetric Keys | 40 | |
| cryptocylab | Computing Shared Secrets | 30 | |
| cryptocylab | Computing Public Values | 25 | |
| cryptocylab | Generators of Groups | 20 | |
| Damsssss | Manyprime | 40 |
You are now level Current level