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 (bear in mind this begins at 0 so a nonce of 100 would really be the a hundred and first transaction submitted https://hyperbookmarks.com/story20296711/not-known-facts-about-blockchain-explorer-unconfirmed-transaction-https-intensedebate-com-people-hawkwhorl3