| Date | User | Challenge | Score |
| zagrana | Paper Plane | 120 | |
| zagrana | Couples | 100 | |
| zagrana | Forbidden Fruit | 150 | |
| zagrana | RSA Signatures | 25 | |
| fumei15243 | Base64 | 10 | |
| zagrana | ProSign 3 | 100 | |
| zagrana | Endless Emails | 150 | |
| tiger844 | Finding Flags | 2 | |
| adnan64 | Jack's Birthday Hash | 20 | |
| Blank12 | Base64 | 10 | |
| ImnKan | You either know, XOR you don't | 30 | |
| fumei15243 | Hex | 5 | |
| fumei15243 | ASCII | 5 | |
| Skypace | Network Attacks | 5 | |
| yyfsec | Legendre Symbol | 35 | |
| Blank12 | Hex | 5 | |
| snowwit | Modular Arithmetic 1 | 20 | |
| syadidd | Real Eisenstein | 150 | |
| fumei15243 | Great Snakes | 3 | |
| snowwit | Extended GCD | 20 | |
| fumei15243 | Finding Flags | 2 | |
| Blank12 | ASCII | 5 | |
| mboh2 | Working with Fields | 10 | |
| skidsstring | Adrien's Signs | 80 | |
| rafiafaab | Finding Flags | 2 | |
| yyfsec | Quadratic Residues | 25 | |
| FieryBanana101 | Composite Isogenies | 60 | |
| MvK_69 | Hex | 5 | |
| mboh2 | Modulus Inutilis | 50 | |
| Ultrametric | Chinese Remainder Theorem | 40 | |
| 0_LDCC | XOR Properties | 15 | |
| snowwit | Greatest Common Divisor | 15 | |
| MvK_69 | ASCII | 5 | |
| Ultrametric | Modular Square Root | 35 | |
| islemmr20 | Finding Flags | 2 | |
| jsunda05 | Lemur XOR | 40 | |
| jsunda05 | You either know, XOR you don't | 30 | |
| jsunda05 | Favourite byte | 20 | |
| jsunda05 | XOR Properties | 15 | |
| jsunda05 | XOR Starter | 10 | |
| DanielRamirezX | XOR Starter | 10 | |
| FieryBanana101 | Three Isogenies | 35 | |
| JulioRubiera | XOR Starter | 10 | |
| Shaggy | Base64 | 10 | |
| 0_LDCC | XOR Starter | 10 | |
| ForRecording | Jack's Birthday Hash | 20 | |
| Shaggy | Hex | 5 | |
| JulioRubiera | Bytes and Big Integers | 10 | |
| 0_LDCC | Bytes and Big Integers | 10 | |
| ForRecording | Generators of Groups | 20 |
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