| Date | User | Challenge | Score |
| kekhol | Modular Square Root | 35 | |
| brute_froce | Great Snakes | 3 | |
| eternalstrike | Parameter Injection | 60 | |
| ctfuzername | Chinese Remainder Theorem | 40 | |
| rikuland | Smooth Criminal | 60 | |
| ctfuzername | Modular Square Root | 35 | |
| brute_froce | Finding Flags | 2 | |
| ctfuzername | Legendre Symbol | 35 | |
| hack3rsword | Bytes and Big Integers | 10 | |
| ctfuzername | Modular Inverting | 25 | |
| ctfuzername | Modular Arithmetic 2 | 20 | |
| ctfuzername | Modular Arithmetic 1 | 20 | |
| ctfuzername | Extended GCD | 20 | |
| ctfuzername | Greatest Common Divisor | 15 | |
| ctfuzername | Export-grade | 100 | |
| prateeks | Curveball | 100 | |
| oksenmu | Prime and Prejudice | 200 | |
| kekhol | Legendre Symbol | 35 | |
| ahira | ASCII | 5 | |
| ctfuzername | Parameter Injection | 60 | |
| oksenmu | No Random, No Bias | 120 | |
| gorogoro | CTRIME | 70 | |
| djsimpsondoh | SSH Keys | 35 | |
| djsimpsondoh | CERTainly not | 30 | |
| djsimpsondoh | Privacy-Enhanced Mail? | 25 | |
| akabeco | Greatest Common Divisor | 15 | |
| djsimpsondoh | Lemur XOR | 40 | |
| djsimpsondoh | Encoding Challenge | 40 | |
| emquantapgym | Computing Shared Secrets | 30 | |
| emquantapgym | Computing Public Values | 25 | |
| djsimpsondoh | Network Attacks | 5 | |
| emquantapgym | Generators of Groups | 20 | |
| emquantapgym | Working with Fields | 10 | |
| banshee | Euler's Totient | 20 | |
| supersonix03 | You either know, XOR you don't | 30 | |
| banshee | Public Keys | 15 | |
| supersonix03 | Favourite byte | 20 | |
| supersonix03 | XOR Properties | 15 | |
| supersonix03 | XOR Starter | 10 | |
| morpheus15 | Confusion through Substitution | 25 | |
| supersonix03 | Bytes and Big Integers | 10 | |
| banshee | Modular Exponentiation | 10 | |
| banshee | Keyed Permutations | 5 | |
| Kharonte | SSH Keys | 35 | |
| Kharonte | Transparency | 50 | |
| 100050 | Moving Problems | 150 | |
| supersonix03 | Base64 | 10 | |
| supersonix03 | Hex | 5 | |
| mixailflash | ASCII | 5 | |
| supersonix03 | ASCII | 5 |
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