Block top - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction variety 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://health-lists.com/story20926868/everything-about-blockchain-explorer-https-www-anibookmark-com-user-shoeraven4-html