some things beside the obvious measured in $, btc, and after we have accumulated plenty of the former :
number of children (and their character, virtue, etc)
physical health (max pullups, pushups, vo2 max, free testosterone etc)
spiritual health (inner peace, lack of stress, state of soul/relationship with God, etc)
material wealth (land, priceless objects/art, family heirlooms, ancestral property)
esteem (titles, awards, prizes, recognition, or even personal achievements nobody knows about)
being part of a community or sub-culture, sense of belonging, friendships, shared values, etc)
having a mission, purpose that will keep you driven even after achieving financial wealth