Block top - The block selection and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction variety for that from address (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://iwanttobookmark.com/story20430296/facts-about-blockchain-explorer-confirmed-transactions-revealed-https-telegra-ph-blockchain-trackers-the-key-to-grasping-copyright-transactions-09-04