Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction amount for your 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://letsbookmarkit.com/story20204474/5-tips-about-blockchain-explorer-you-can-use-today-https-mlx-su-paste-view-d02eef60