It allows users to submit tokens, their symbols, addresses and tickers.
To avoid malicious tokens, submitters need to make a deposit.
Challengers can challenge submissions by also making a deposit. When they do, a dispute is created and sent to Kleros. If they win their dispute, they get the deposit of the submitter. This incentivizes people to watch for malicious submissions.
Users can also add badges to tokens certifying that the token meets certain characteristics. This follows the same deposit/challenge scheme.