Block height - The block range and duration of your blockchain (in blocks) on creation of the present block Nonce - The transaction selection for the from address (bear in mind this begins at 0 so a nonce of one hundred would basically be the one hundred and first transaction https://bookmarklethq.com/story20656209/not-known-facts-about-blockchain-explorer-unconfirmed-transaction-https-notes-io-ww2s8