"Where does my contribution go if a publisher/website is not part of this program yet?
When there is about $100.00 USD in BAT for a specific publisher, from all contributors, Brave makes three attempts to complete the publisher verification process. We will hold unclaimed funds for a minimum of 90 days, after which it will be added to the UGP (User Growth Pool)."
"Where does my contribution go if a publisher/website is not part of this program yet?
When there is about $100.00 USD in BAT for a specific publisher, from all contributors, Brave makes three attempts to complete the publisher verification process. We will hold unclaimed funds for a minimum of 90 days, after which it will be added to the UGP (User Growth Pool)."
https://brave.com/faq-payments/#formal-terms-conditions