Seems like a Brave-esqe crypto platform:

In addition to offering users a great search experience, Presearch is dedicated to creating significant value for marketers who would like to reach Presearch users. Advertisers can stake their PRE to a keyword, and whichever advertiser stakes the most tokens will have its ads displayed when a user searches on the term selected. Advertisers confer the most external value on PRE, so their success is very important to the ecosystem.