Block top - The block selection and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction quantity for your from address (Keep in mind this commences at 0 so a nonce of a hundred would essentially be the one hundred and first transaction https://mixbookmark.com/story5852252/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-https-clancy-olesen-4-mdwrite-net-opening-the-record-your-resource-to-blockchain-investigation