Block height - The block amount and size on the blockchain (in blocks) on generation of the present block Nonce - The transaction number for the from address (bear in mind this begins at 0 so a nonce of one hundred would truly be the a hundred and first transaction https://bookmark-dofollow.com/story26636497/the-greatest-guide-to-blockchain-explorer-unconfirmed-transaction-https-intensedebate-com-people-hawkwhorl3