Block top - The block selection and length from the blockchain (in blocks) on development of the present block Nonce - The transaction selection for the from address (bear in mind this begins at 0 so a nonce of one hundred would truly be the one hundred and first transaction https://bookmarkingfeed.com/story20618095/the-ultimate-guide-to-eth-blockchain-explorer-https-rentry-co-4vomqtzo