Block top - The block quantity and size on the blockchain (in blocks) on generation of the current block Nonce - The transaction amount to the from address (Remember this starts off at 0 so a nonce of a hundred would really be the 101st transaction submitted by this account) https://bookmarkfriend.com/story20545674/details-fiction-and-explorer-blockchain-ethereum-https-www-folkd-com-submit-cryptoexplorerhub-com