Challenges involving LoRa/SDR packet recovery, multispectral satellite imagery, NDVI, ISODATA-style clustering, and geospatial crop-claim verification.
| # | Challenge | Points | Flag |
|---|---|---|---|
| 1 | 121-channel-hop | 100 | GAIANSPACE{AL-STAMP-Q9VRR9} |
| 2 | 122-true-color-is-a-lie | 125 | GAIANSPACE{TRUE-NDVI-HR6TNM} |
| 3 | 123-isodata-seven | 150 | GAIANSPACE{7TH-CLASS-XHTXWX} |
| 4 | 124-subsidy-claim | 175 | GAIANSPACE{CUVE-UKEJ-TRP6} |
| 5 | 125-where-they-stood | 277 | GAIANSPACE{MZH-3240} |
| 6 | 126-borrowed-summer | 316 | GAIANSPACE{ZDJ7-UCZA-JADX-7JEY} |
| 7 | 127-heads-down-97 | 394 | GAIANSPACE{SZMMPR-SZPTJU-SZXYMY_SZ4TE4} |