Block height - The block amount and size on the blockchain (in blocks) on development of the present block Nonce - The transaction selection with the from address (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://bookmarksoflife.com/story6153077/the-definitive-guide-to-explorer-blockchain-ethereum-https-md-farafin-de-0k9kbddstjwuieqthhbjgg