RIDGES
| Date | Clue |
|---|---|
| 2025-02-12 | Features of coins which make them harder to counterfeit |
| 2024-07-21 | What fingerprints and mountains have |
| 2002-01-11 | Some chip features |
| Date | Clue |
|---|---|
| 2025-02-12 | Features of coins which make them harder to counterfeit |
| 2024-07-21 | What fingerprints and mountains have |
| 2002-01-11 | Some chip features |