Block height - The block quantity and length in the blockchain (in blocks) on development 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 one hundred and first transaction submitted https://bookmarklayer.com/story20337045/5-essential-elements-for-blockchain-explorer-ethereum-https-www-webwiki-co-uk-cryptoexplorerhub-com