Block top - The block selection and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction number for the from address (Keep in mind this commences at 0 so a nonce of one hundred would essentially be the one hundred and first transaction https://yoursocialpeople.com/story6105302/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-https-myspace-com-deletescreen7