Block top - The block selection and duration of the blockchain (in blocks) on creation of the present block Nonce - The transaction number for your from address (Keep in mind this starts at 0 so a nonce of one hundred would truly be the a hundred and first transaction https://iwanttobookmark.com/story20428737/the-smart-trick-of-blockchain-explorer-app-that-nobody-is-discussing-https-graph-org-unveiling-transparency-how-blockchain-explorers-function-09-04