Block top - The block number and length of the blockchain (in blocks) on creation of the current block Nonce - The transaction quantity for your from address (Keep in mind this begins at 0 so a nonce of one hundred would essentially be the one hundred and first transaction https://bookmarklethq.com/story20800102/new-step-by-step-map-for-blockchain-explorer-unconfirmed-transaction-https-www-blurb-com-user-optionname7