Block height - The block variety and size with 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 one hundred would essentially be the one hundred and first transaction https://bookmarklethq.com/story20271970/not-known-facts-about-blockchain-explorer-unconfirmed-transaction-https-md-swk-web-com-onnbpblstmy8giqdrhnkga