Block height - The block selection and size from the blockchain (in blocks) on creation of the current block Nonce - The transaction range for that 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://nowbookmarks.com/story20708498/the-smart-trick-of-blockchain-explorer-app-that-nobody-is-discussing-https-setiathome-berkeley-edu-show-user-php-userid-13199150