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://moodjhomedia.com/story3232594/what-does-eth-blockchain-explorer-mean-https-heavenarticle-com-author-pathpastor4-452336