Block top - The block selection and length of the blockchain (in blocks) on creation of the current block Nonce - The transaction variety to the from address (Keep in mind this commences at 0 so a nonce of one hundred would basically be the 101st transaction submitted by this https://socialbraintech.com/story5380753/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-https-independent-academia-edu-drewandreassen4