Block top - The block selection and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction quantity for your from address (Keep in mind this begins at 0 so a nonce of one hundred would truly be the a hundred and first transaction https://orangebookmarks.com/story20278772/a-review-of-blockchain-explorer-usdt-https-squareblogs-net-heartgarlic3-delving-into-blockchain-explorers