| Date | User | Challenge | Score |
| JimSul16 | Hex | 5 | |
| JimSul16 | ASCII | 5 | |
| JimSul16 | Great Snakes | 3 | |
| 0xMr057N | Great Snakes | 3 | |
| JimSul16 | Finding Flags | 2 | |
| 0xMr057N | Finding Flags | 2 | |
| jayvee13 | Base64 | 10 | |
| neos_oracle | XOR Properties | 15 | |
| neos_oracle | XOR Starter | 10 | |
| jayvee13 | Hex | 5 | |
| brandonvht26 | XOR Properties | 15 | |
| neos_oracle | Bytes and Big Integers | 10 | |
| sp1n0z4 | No Way Back Home | 100 | |
| 0xRaha | Round Keys | 20 | |
| neos_oracle | Base64 | 10 | |
| neos_oracle | Hex | 5 | |
| neos_oracle | ASCII | 5 | |
| neos_oracle | Great Snakes | 3 | |
| neos_oracle | Finding Flags | 2 | |
| morpheus15 | Where's the Supersingular Curve | 25 | |
| 0xRaha | Structure of AES | 15 | |
| natko | Modular Inverting | 25 | |
| jj_0088 | Encoding Challenge | 40 | |
| natko | Modular Arithmetic 2 | 20 | |
| natko | Modular Arithmetic 1 | 20 | |
| natko | Extended GCD | 20 | |
| t4l | Non-Interactive | 35 | |
| infernosalex | unrandom DSA (HackTM CTF) | 0 | |
| Ferm1 | Modular Inverting | 25 | |
| Namunamu | JSON in JSON | 40 | |
| solomondel | Legendre Symbol | 35 | |
| Ferm1 | Modular Arithmetic 2 | 20 | |
| darkknight | Legendre Symbol | 35 | |
| Ferm1 | Modular Arithmetic 1 | 20 | |
| TyLion | ECB Oracle | 60 | |
| Czerlun | ASCII | 5 | |
| Czerlun | Great Snakes | 3 | |
| Czerlun | Finding Flags | 2 | |
| Namunamu | RSA or HMAC? | 35 | |
| natko | Greatest Common Divisor | 15 | |
| LuisC733 | Finding Flags | 2 | |
| Ferm1 | Extended GCD | 20 | |
| Names3tma | Modulus Inutilis | 50 | |
| seqo | CERTainly not | 30 | |
| dg | Base64 | 10 | |
| Ferm1 | Greatest Common Divisor | 15 | |
| dg | Hex | 5 | |
| Ferm1 | You either know, XOR you don't | 30 | |
| bluediamonds | Quadratic Residues | 25 | |
| solomondel | Quadratic Residues | 25 |
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