Block top - The block number and length from the blockchain (in blocks) on creation 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://bookmarklinkz.com/story20499084/what-does-eth-blockchain-explorer-mean-https-md-chaosdorf-de-xdhzafcotoa3ipvrxixxya