| Date | User | Challenge | Score |
| tkhnnh | XOR Properties | 15 | |
| hungthinh | Bean Counter | 60 | |
| anchi1228 | Modular Arithmetic 1 | 20 | |
| ClockUwU | Montgomery's Ladder | 40 | |
| anchi1228 | Extended GCD | 20 | |
| vsriramv | Bytes and Big Integers | 10 | |
| vsriramv | Base64 | 10 | |
| BETTER | Great Snakes | 3 | |
| vsriramv | Hex | 5 | |
| vsriramv | ASCII | 5 | |
| vsriramv | Network Attacks | 5 | |
| vsriramv | Great Snakes | 3 | |
| vsriramv | Finding Flags | 2 | |
| BETTER | Finding Flags | 2 | |
| Huyyeuthu2104 | Confusion through Substitution | 25 | |
| last_rite_3rd | Great Snakes | 3 | |
| phomza404 | Greatest Common Divisor | 15 | |
| Huyyeuthu2104 | Round Keys | 20 | |
| assakaf | XOR Properties | 15 | |
| y0dam4n | Great Snakes | 3 | |
| somebodyworksy | Resisting Bruteforce | 10 | |
| 01kld | You either know, XOR you don't | 30 | |
| foone | You either know, XOR you don't | 30 | |
| foone | Favourite byte | 20 | |
| somebodyworksy | Keyed Permutations | 5 | |
| 01kld | Favourite byte | 20 | |
| naivecat | Modular Binomials | 80 | |
| foone | XOR Properties | 15 | |
| 01kld | XOR Properties | 15 | |
| haramimanas | Greatest Common Divisor | 15 | |
| Huyyeuthu2104 | Structure of AES | 15 | |
| dharneegan | Encoding Challenge | 40 | |
| Arney1 | Real Curve Crypto | 200 | |
| Na_0_sy | Computing Shared Secrets | 30 | |
| Na_0_sy | Computing Public Values | 25 | |
| anchi1228 | Greatest Common Divisor | 15 | |
| dharneegan | Network Attacks | 5 | |
| ahmedmario | Hex | 5 | |
| somebodyworksy | Modular Binomials | 80 | |
| ahmedmario | ASCII | 5 | |
| Na_0_sy | Generators of Groups | 20 | |
| assakaf | XOR Starter | 10 | |
| Na_0_sy | Working with Fields | 10 | |
| dharneegan | Quadratic Residues | 25 | |
| Na_0_sy | Modulus Inutilis | 50 | |
| assakaf | Bytes and Big Integers | 10 | |
| thainguyen_13 | Finding Flags | 2 | |
| dharneegan | Modular Inverting | 25 | |
| ahmedmario | Great Snakes | 3 | |
| dharneegan | Modular Arithmetic 2 | 20 |
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