Web-of-Trust could help to address many problems on the web - spam, sybil attacks, fake reviews, and for holding journalists, politicians and businesses to account.<p>This small blockchain based database (about 5,000 users/20,000 AI ratings) helps to simulate what might be possible. It allows you to choose two users and see the Web-Of-Trust rating one might create for the other based on the AI estimates of trust in the web between them.