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 basically be the 101st transaction submitted by this account) https://peakbookmarks.com/story20484744/the-best-side-of-explorer-blockchain-usdt-https-md-chaosdorf-de-xdhzafcotoa3ipvrxixxya