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 begins at 0 so a nonce of one hundred would truly be the a hundred and first transaction https://bookmarkalexa.com/story5839527/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-https-www-webwiki-ch-cryptoexplorerhub-com