| Date | User | Challenge | Score |
| mrdavidson23 | Keyed Permutations | 5 | |
| hack21 | Finding Flags | 2 | |
| N0tPresl3y | Rhetorical Oracle 2 | 150 | |
| radarhat | XOR Starter | 10 | |
| l3r0y | Bytes and Big Integers | 10 | |
| radarhat | Bytes and Big Integers | 10 | |
| radarhat | Base64 | 10 | |
| BeholdCalvin | Extended GCD | 20 | |
| radarhat | Hex | 5 | |
| radarhat | ASCII | 5 | |
| snkt | Base64 | 10 | |
| radarhat | Great Snakes | 3 | |
| radarhat | Finding Flags | 2 | |
| BeholdCalvin | Greatest Common Divisor | 15 | |
| snkt | Hex | 5 | |
| mmihov | Curves and Logs | 40 | |
| snkt | ASCII | 5 | |
| snkt | Great Snakes | 3 | |
| snkt | Finding Flags | 2 | |
| l3r0y | Base64 | 10 | |
| timofeyn | Great Snakes | 3 | |
| timofeyn | Finding Flags | 2 | |
| mmihov | Scalar Multiplication | 35 | |
| LoreK_ | Modular Square Root | 35 | |
| 163 | Great Snakes | 3 | |
| gokulavasan | Modular Binomials | 80 | |
| PinkPanda153121 | Great Snakes | 3 | |
| l3r0y | Hex | 5 | |
| shadox | Base64 | 10 | |
| 4yru5 | Extended GCD | 20 | |
| RicksterRichard | ASCII | 5 | |
| RicksterRichard | Great Snakes | 3 | |
| RicksterRichard | Finding Flags | 2 | |
| 4yru5 | Greatest Common Divisor | 15 | |
| l3r0y | ASCII | 5 | |
| Eliezer | Base64 | 10 | |
| N0tPresl3y | Rhetorical Oracle | 100 | |
| gluecicle | Diffusion through Permutation | 30 | |
| shadox | Hex | 5 | |
| Eliezer | Hex | 5 | |
| charlyz | Modular Exponentiation | 10 | |
| 4yru5 | You either know, XOR you don't | 30 | |
| Eliezer | ASCII | 5 | |
| Eliezer | Great Snakes | 3 | |
| l3r0y | Great Snakes | 3 | |
| N0tPresl3y | Long Story Short | 60 | |
| Eliezer | Finding Flags | 2 | |
| nishikawa | ASCII | 5 | |
| shadox | ASCII | 5 | |
| N0tPresl3y | Seventy-Two | 50 |
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