Block height - The block selection 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 actually be the 101st transaction submitted by this account) https://techonpage.com/story5937980/5-essential-elements-for-blockchain-explorer-ethereum-https-www-webwiki-it-cryptoexplorerhub-com