Block top - The block selection and duration of your blockchain (in blocks) on generation of the present block Nonce - The transaction range with the from address (Remember this starts off at 0 so a nonce of a hundred would basically be the one hundred and first transaction submitted https://bookmarksfocus.com/story6015571/what-does-blockchain-explorer-usdt-mean-https-500px-com-p-barrkijrooney