Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction number for the from address (bear in mind this begins at 0 so a nonce of one hundred would essentially be the one hundred and first transaction https://bookmarkick.com/story20563952/5-essential-elements-for-blockchain-explorer-ethereum-https-www-webwiki-nl-cryptoexplorerhub-com