| Name | Points | Tags | Writeups | |
|---|---|---|---|---|
| C7: gofuscated | reverse go | 2 | ||
| C8: captcha | captcha math | 10 | ||
| C6: gates of hell | x86 linux reverse | 6 | ||
| C5: de-anonymization | 4 | |||
| C1: dot-n-dash | programming | 8 | ||
| C10: fixed point | math | 3 | ||
| C2: flipping-bits | rsa modular-arithmetic | 6 | ||
| C9: postfuscator | postscript reverse | 4 | ||
| C3: shredded | qrcode math | 7 | ||
| C4: leaky power | cpa poweranalysis crypto | 3 | ||