Block top - The block quantity and length in the blockchain (in blocks) on development of the present block Nonce - The transaction selection with the from address (Keep in mind this starts at 0 so a nonce of 100 would basically be the one hundred and first transaction submitted https://artybookmarks.com/story20532900/what-does-eth-blockchain-explorer-mean-https-squareblogs-net-heartgarlic3-delving-into-blockchain-explorers