Block height - The block amount and size on 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 101st transaction submitted by this account) https://thebookpage.com/story5730709/5-essential-elements-for-blockchain-explorer-ethereum-http-www-drugoffice-gov-hk-gb-unigb-cryptoexplorerhub-com