Block top - The block selection and length of the blockchain (in blocks) on generation of the present block Nonce - The transaction selection for that from address (Keep in mind this begins at 0 so a nonce of a hundred would essentially be the a hundred and first transaction https://bookmarkmargin.com/story20532497/5-essential-elements-for-blockchain-explorer-ethereum-https-mathiasen-curry-2-federatedjournals-com-diving-deep-blockchain-explorers