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 commences at 0 so a nonce of one hundred would essentially be the one hundred and first transaction https://madesocials.com/story5971864/the-blockchain-explorer-usdt-trc20-diaries-https-www-multichain-com-qa-user-knotdrop3