Block top - The block number and length on the blockchain (in blocks) on development of the present block Nonce - The transaction selection with the from address (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://bookmarkloves.com/story22912455/details-fiction-and-explorer-blockchain-ethereum-https-www-demilked-com-author-brokerwhorl5