Block top - The block selection and length 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 a hundred would truly be the a hundred and first transaction https://tinybookmarks.com/story20196107/a-review-of-blockchain-explorer-usdt-https-cuwip-ucsd-edu-members-georgeuncle0-activity-1839979