Block top - The block amount and size on the blockchain (in blocks) on generation of the present block Nonce - The transaction number with the from address (Remember this begins at 0 so a nonce of one hundred would essentially be the one hundred and first transaction submitted by https://bookmarkbells.com/story20297817/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-https-www-hulkshare-com-circledrop4