| Date | User | Challenge | Score |
| rimanur | RSA Decryption | 20 | |
| loselen | ASCII | 5 | |
| rimanur | Private Keys | 20 | |
| chinmoy_paul | Backpack Cryptography | 120 | |
| loselen | Great Snakes | 3 | |
| loselen | Finding Flags | 2 | |
| chinmoy_paul | Find the Lattice | 100 | |
| chinmoy_paul | Noise Cheap | 90 | |
| uzukhai | Generators of Groups | 20 | |
| rimanur | Euler's Totient | 20 | |
| chinmoy_paul | Missing Modulus | 80 | |
| rimanur | Public Keys | 15 | |
| rimanur | Modular Exponentiation | 10 | |
| chinmoy_paul | Nativity | 60 | |
| centidah | ASCII | 5 | |
| 0xFl45h_py | ASCII | 5 | |
| natanpi | XOR Properties | 15 | |
| centidah | Great Snakes | 3 | |
| regne | Network Attacks | 5 | |
| Alay0062 | Great Snakes | 3 | |
| Alay0062 | Finding Flags | 2 | |
| NEO1 | Great Snakes | 3 | |
| chinmoy_paul | Bounded Noise | 50 | |
| chinmoy_paul | Too Many Errors | 100 | |
| rebeca21sarai | Bytes and Big Integers | 10 | |
| NEO1 | Finding Flags | 2 | |
| chinmoy_paul | Noise Free | 40 | |
| chinmoy_paul | From Private to Public Key LWE | 25 | |
| chinmoy_paul | LWE Low Bits Message | 20 | |
| centidah | Finding Flags | 2 | |
| chinmoy_paul | LWE High Bits Message | 15 | |
| chinmoy_paul | LWE Intro | 10 | |
| chinmoy_paul | LWE Background | 5 | |
| chinmoy_paul | Size and Basis | 15 | |
| chinmoy_paul | Gaussian Reduction | 50 | |
| chinmoy_paul | What's a Lattice? | 40 | |
| chinmoy_paul | Gram Schmidt | 30 | |
| chinmoy_paul | Vectors | 10 | |
| steven101 | RSA Decryption | 20 | |
| steven101 | Private Keys | 20 | |
| steven101 | Euler's Totient | 20 | |
| emmanpip3 | XOR Starter | 10 | |
| steven101 | Public Keys | 15 | |
| natanpi | XOR Starter | 10 | |
| Grupo10MA | Round Keys | 20 | |
| steven101 | Modular Exponentiation | 10 | |
| natanpi | Bytes and Big Integers | 10 | |
| benlevine13 | Jack's Birthday Hash | 20 | |
| emmanpip3 | Bytes and Big Integers | 10 | |
| nixu_chiller | Modular Arithmetic 2 | 20 |
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