Block top - The block number 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 truly be the a hundred and first transaction submitted https://socialwebleads.com/story6028593/5-essential-elements-for-blockchain-explorer-ethereum-https-www-webwiki-nl-cryptoexplorerhub-com