Block top - The block selection and duration of your blockchain (in blocks) on generation of the present block Nonce - The transaction selection with the from address (Remember this starts off at 0 so a nonce of a hundred would essentially be the 101st transaction submitted by this account) https://top10bookmark.com/story20401741/not-known-details-about-blockchain-explorer-usdt-trc20-https-posteezy-com-past-these-blocks-discovering-realm-copyright-explorers