A dedicated security chip like Knox or Think shield or Secure Enclave
This will help in privacy protection of the users,as there is a growing cases of scams on internet
This can help Nothing grown even in security space and trust in data privacy
I am quite surprised by how Nothing has grown in 3 years,which now seemed to be a competitor for Apple,Samsung and other high profile mobile companies,so I wish to see this one Extra feature in the upcoming Nothing phone 3