On what basis are the lost judged at the great white throne?
The lost at the great white throne are judged according to their works, out of the things written in the books that are opened. This judgment covers all the lost from Cain until the end of the thousand-year reign, and the Book of Life is also opened.
Les explains that the great white throne is set somewhere out in space, where the dead, small and great, stand before God. The books are opened, and another book, the Book of Life, is opened. The dead—that is, the lost from Cain all the way to the end of the thousand-year reign—are judged out of those things written in the books according to their works. So the basis of their judgment is their works as recorded in the books.
And I saw the dead, small and great, stand before God; and the books were opened: and another book was opened, which is the book of life: and the dead were judged out of those things which were written in the books, according to their works.