| Date | User | Challenge | Score |
| brawl02 | Finding Flags | 2 | |
| unstablefella | You either know, XOR you don't | 30 | |
| cyk0sure | Secure Protocols | 5 | |
| shasha | Favourite byte | 20 | |
| t | Scalar Multiplication | 35 | |
| os1 | Favourite byte | 20 | |
| t | Point Addition | 30 | |
| 3duhack | ASCII | 5 | |
| shasha | XOR Properties | 15 | |
| phat1911 | Invariant | 250 | |
| Cyber_R00ki3 | Network Attacks | 5 | |
| 3duhack | Great Snakes | 3 | |
| 3duhack | Finding Flags | 2 | |
| Cyber_R00ki3 | You either know, XOR you don't | 30 | |
| os1 | XOR Properties | 15 | |
| Cyber_R00ki3 | Favourite byte | 20 | |
| Cyber_R00ki3 | XOR Properties | 15 | |
| d3v1s3x_ | ASCII | 5 | |
| 0xOiuhjefBias | You either know, XOR you don't | 30 | |
| d3v1s3x_ | Great Snakes | 3 | |
| d3v1s3x_ | Finding Flags | 2 | |
| phat1911 | Lemur XOR | 40 | |
| Hilmi | Finding Flags | 2 | |
| cyk0sure | JSON in JSON | 40 | |
| xiaodi | Great Snakes | 3 | |
| cyk0sure | RSA or HMAC? | 35 | |
| phat1911 | Encoding Challenge | 40 | |
| t | Point Negation | 10 | |
| Quoc130370 | XOR Properties | 15 | |
| Juha | Quadratic Residues | 25 | |
| cyk0sure | JWT Secrets | 25 | |
| c4e | DLOG on the Surface | 40 | |
| cyk0sure | No Way JOSE | 20 | |
| KuyangKutai | XOR Starter | 10 | |
| Tankie511 | Great Snakes | 3 | |
| Tankie511 | ASCII | 5 | |
| cyk0sure | JWT Sessions | 10 | |
| xiaodi | Finding Flags | 2 | |
| Quoc130370 | Favourite byte | 20 | |
| IgnAto | Modular Arithmetic 2 | 20 | |
| n0v4_4v0n | Base64 | 10 | |
| n0v4_4v0n | Hex | 5 | |
| c4e | Montgomery Curves | 30 | |
| OutOfTheWell | Lemur XOR | 40 | |
| t | Background Reading | 5 | |
| Tankie511 | Finding Flags | 2 | |
| n0v4_4v0n | ASCII | 5 | |
| n0v4_4v0n | Great Snakes | 3 | |
| n0v4_4v0n | Finding Flags | 2 | |
| MarioAlabi | Base64 | 10 |
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