| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| david chaum's micropayment system crossword | 0.15 | 0.9 | 7656 | 27 | 43 |
| david | 0.16 | 1 | 7393 | 92 | 5 |
| chaum's | 1.73 | 0.4 | 3107 | 43 | 7 |
| micropayment | 1.4 | 0.5 | 3275 | 93 | 12 |
| system | 0.67 | 0.1 | 615 | 25 | 6 |
| crossword | 0.26 | 0.1 | 4526 | 80 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| david chaum's micropayment system crossword | 0.23 | 0.8 | 5406 | 45 |
