| Date | User | Challenge | Score |
| codemutt | Great Snakes | 3 | |
| crowcell | Resisting Bruteforce | 10 | |
| crowcell | Keyed Permutations | 5 | |
| avm | Bounded Noise | 50 | |
| QWXXHSX123 | Where's the Supersingular Curve | 25 | |
| c3gla | Base64 | 10 | |
| paulihno15 | Quadratic Residues | 25 | |
| c3gla | Hex | 5 | |
| c3gla | ASCII | 5 | |
| c3gla | Network Attacks | 5 | |
| avm | Noise Free | 40 | |
| avm | From Private to Public Key LWE | 25 | |
| avm | LWE Low Bits Message | 20 | |
| paulihno15 | Modular Inverting | 25 | |
| codemutt | Finding Flags | 2 | |
| 4rg0 | Keyed Permutations | 5 | |
| avm | LWE High Bits Message | 15 | |
| petr | Modular Inverting | 25 | |
| paulihno15 | Modular Arithmetic 2 | 20 | |
| Blixow | LWE Intro | 10 | |
| c3gla | Great Snakes | 3 | |
| c3gla | Finding Flags | 2 | |
| petr | Modular Arithmetic 2 | 20 | |
| Blixow | LWE Background | 5 | |
| andre33 | Extended GCD | 20 | |
| andre33 | Greatest Common Divisor | 15 | |
| andre33 | You either know, XOR you don't | 30 | |
| petr | Modular Arithmetic 1 | 20 | |
| Halois | Too Honest | 50 | |
| andre33 | Favourite byte | 20 | |
| andre33 | XOR Properties | 15 | |
| Blixow | Backpack Cryptography | 120 | |
| andre33 | XOR Starter | 10 | |
| andre33 | Bytes and Big Integers | 10 | |
| avm | Logon Zero | 80 | |
| Halois | Non-Interactive | 35 | |
| andre33 | Base64 | 10 | |
| feynhat | Gram Schmidt | 30 | |
| PAWOS | Invariant | 250 | |
| isobare | XOR Starter | 10 | |
| bjones | Finding Flags | 2 | |
| proclivity | Great Snakes | 3 | |
| Halois | Honest Verifier Zero Knowledge | 30 | |
| PAWOS | Prime and Prejudice | 200 | |
| Skyly | XOR Starter | 10 | |
| PAWOS | RSA or HMAC? Part 2 | 100 | |
| isobare | Bytes and Big Integers | 10 | |
| Halois | Special Soundness | 25 | |
| proclivity | Finding Flags | 2 | |
| n40y | Bringing It All Together | 50 |
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