Block top - The block quantity and length in the blockchain (in blocks) on development of the current block Nonce - The transaction range with the 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://yxzbookmarks.com/story20569609/what-does-blockchain-explorer-usdt-mean-https-hedgedoc-digillab-uni-augsburg-de-mshxmk-praykwj94jou11g