Block top - The block number and length of the blockchain (in blocks) on creation of the current block Nonce - The transaction amount for that from address (Remember this starts off at 0 so a nonce of a hundred would basically be the 101st transaction submitted by this account) https://allkindsofsocial.com/story5957710/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-https-www-holycrossconvent-edu-na-profile-rosenberghbnborg32409-profile