Block top - The block selection and duration of the blockchain (in blocks) on creation of the present block Nonce - The transaction number for the from address (bear in mind this begins at 0 so a nonce of 100 would truly be the 101st transaction submitted by this account) https://bookmarkpagerank.com/story20287158/getting-my-blockchain-explorer-ethereum-to-work-https-www-divephotoguide-com-user-puffinstone3