Block height - The block amount and size on the blockchain (in blocks) on generation 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 really be the a hundred and first transaction submitted https://ilovebookmark.com/story20274548/the-greatest-guide-to-blockchain-explorer-unconfirmed-transaction-https-telegra-ph-blockchain-trackers-the-key-to-grasping-copyright-transactions-09-04