Block top - The block range and duration of your blockchain (in blocks) on generation of the current block Nonce - The transaction quantity for your from address (bear in mind this begins at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://bookmark-media.com/story20682690/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-https-articlescad-com-the-remarkable-adventurers-in-the-cyber-frontier-grasping-distributed-ledger-instruments-325096-html