| Date | User | Challenge | Score |
| nihhajawarembang | Public Keys | 15 | |
| 0x3en70rs | Bytes and Big Integers | 10 | |
| Fomalhaut33 | ASCII | 5 | |
| fsdpoj5354 | Private Keys | 20 | |
| Dagurb | CSIDH Key Exchange | 90 | |
| Fomalhaut33 | Great Snakes | 3 | |
| Fomalhaut33 | Finding Flags | 2 | |
| naht0133 | Bytes and Big Integers | 10 | |
| nihhajawarembang | Bean Counter | 60 | |
| fsdpoj5354 | Euler's Totient | 20 | |
| fsdpoj5354 | Public Keys | 15 | |
| Takoyaki1 | Finding Flags | 2 | |
| fsdpoj5354 | Modular Exponentiation | 10 | |
| OKlllng | Confusion through Substitution | 25 | |
| Dagurb | André Encoding | 80 | |
| 0x3en70rs | Base64 | 10 | |
| bogeymanx01 | Finding Flags | 2 | |
| RustiBo | Finding Flags | 2 | |
| 0x3en70rs | Hex | 5 | |
| Saron | Base64 | 10 | |
| Saron | Hex | 5 | |
| 0x3en70rs | ASCII | 5 | |
| Saron | ASCII | 5 | |
| 0x3en70rs | Great Snakes | 3 | |
| benkenobi314 | Modular Inverting | 25 | |
| 0x3en70rs | Finding Flags | 2 | |
| Saron | Great Snakes | 3 | |
| nihhajawarembang | Symmetry | 50 | |
| Saron | Finding Flags | 2 | |
| mib | Modular Inverting | 25 | |
| hiswui | Jack's Birthday Confusion | 30 | |
| VuiVe | Triple DES | 60 | |
| nihhajawarembang | Flipping Cookie | 60 | |
| Dagurb | Twisted CSIDH Isogenies | 70 | |
| thePhantom | XOR Starter | 10 | |
| hiswui | Jack's Birthday Hash | 20 | |
| mib | Modular Arithmetic 2 | 20 | |
| Dagurb | Secret Exponents | 60 | |
| Marshmallow37 | Base64 | 10 | |
| mib | Modular Arithmetic 1 | 20 | |
| Dagurb | Prime Power Isogenies | 50 | |
| yazanchi | Extended GCD | 20 | |
| Marshmallow37 | Hex | 5 | |
| CraigNur | XOR Properties | 15 | |
| mib | Extended GCD | 20 | |
| Dagurb | Special Isogenies | 30 | |
| fsdpoj5354 | Confusion through Substitution | 25 | |
| Dag0n | You either know, XOR you don't | 30 | |
| sopadepollo7 | Modular Inverting | 25 | |
| fsdpoj5354 | Round Keys | 20 |
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