Block top - The block number and length from the blockchain (in blocks) on development of the current block Nonce - The transaction range with the from address (Remember this starts off at 0 so a nonce of a hundred would truly be the a hundred and first transaction submitted https://7bookmarks.com/story20214241/the-smart-trick-of-explorer-blockchain-ethereum-that-nobody-is-discussing-https-500px-com-p-barrkijrooney