| Date | User | Challenge | Score |
| Tal | Great Snakes | 3 | |
| lordvoldmort | Finding Flags | 2 | |
| Almon11 | Base64 | 10 | |
| wiknwo | Modular Inverting | 25 | |
| Almon11 | Hex | 5 | |
| alyce | Bringing It All Together | 50 | |
| ceydasel3 | Great Snakes | 3 | |
| adhdpatrick | XOR Starter | 10 | |
| Tal | Finding Flags | 2 | |
| jellio04 | Modulus Inutilis | 50 | |
| xX_dyson_Xx | Private Keys | 20 | |
| wiknwo | Modular Arithmetic 2 | 20 | |
| LTaki | Square Eyes | 35 | |
| mib | Passwords as Keys | 50 | |
| AESpider | Let's Prove It | 120 | |
| NKATechnologies | RSA Backdoor Viability | 175 | |
| NKATechnologies | Ron was Wrong, Whit is Right | 90 | |
| NKATechnologies | Fast Primes | 75 | |
| NKATechnologies | Marin's Secrets | 50 | |
| NKATechnologies | Infinite Descent | 50 | |
| jellio04 | Salty | 20 | |
| Almon11 | ASCII | 5 | |
| NKATechnologies | Everything is Still Big | 100 | |
| NKATechnologies | Crossed Wires | 100 | |
| NKATechnologies | Everything is Big | 70 | |
| NKATechnologies | Modulus Inutilis | 50 | |
| NKATechnologies | Salty | 20 | |
| wiknwo | Modular Arithmetic 1 | 20 | |
| LTaki | Inferius Prime | 30 | |
| Almon11 | Great Snakes | 3 | |
| jellio04 | Manyprime | 40 | |
| xX_dyson_Xx | Euler's Totient | 20 | |
| NKATechnologies | Let's Decrypt | 80 | |
| Bieee_2727 | Favourite byte | 20 | |
| wiknwo | Extended GCD | 20 | |
| crim_x64 | CERTainly not | 30 | |
| ifstrangebetrue | Hex | 5 | |
| kakar07 | Square Eyes | 35 | |
| adhdpatrick | Bytes and Big Integers | 10 | |
| tbdang | Modulus Inutilis | 50 | |
| ifstrangebetrue | ASCII | 5 | |
| VladimirBars | XOR Properties | 15 | |
| Almon11 | Finding Flags | 2 | |
| crim_x64 | Privacy-Enhanced Mail? | 25 | |
| NKATechnologies | Vote for Pedro | 150 | |
| Togrul32 | You either know, XOR you don't | 30 | |
| z8v5nr4d | Stream of Consciousness | 80 | |
| tbdang | Salty | 20 | |
| kakar07 | Monoprime | 30 | |
| wiknwo | Greatest Common Divisor | 15 |
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