Block top - The block quantity and size in the blockchain (in blocks) on development of the present block Nonce - The transaction selection for the from address (bear in mind this starts at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://thebookmarkid.com/story20317266/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-https-www-udrpsearch-com-user-lampwhorl2