Block top - The block selection and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction amount to the from address (Keep in mind this begins at 0 so a nonce of one hundred would in fact be the a hundred and first https://bookmarkinginfo.com/story20310252/blockchain-explorer-usdt-trc20-fundamentals-explained-https-500px-com-p-barrkijrooney