Block height - The block amount and size on the blockchain (in blocks) on development of the present block Nonce - The transaction selection with the from address (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://ilovebookmark.com/story20369132/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-https-numberfields-asu-edu-numberfields-show-user-php-userid-6240092