collocation | frequency |
---|---|
douglass north | 3 |
technological institution | 2 |
blockchain technology | 2 |
human economic | 2 |
economic activity | 2 |
decentralized database | 2 |
public registry | 2 |
real world | 2 |
portable identity | 2 |
supply chain | 2 |
collocation | frequency |
---|---|
human economic activity | 2 |