Block height - The block amount and size on the blockchain (in blocks) on development of the present block Nonce - The transaction selection with the from address (bear in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://mixbookmark.com/story5922176/everything-about-blockchain-explorer-https-mlx-su-paste-view-d02eef60