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://push2bookmark.com/story20687565/details-fiction-and-explorer-blockchain-ethereum-https-500px-com-p-barrkijrooney