Block height - The block amount and size on the blockchain (in blocks) on development of the present block Nonce - The transaction range with the 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://socialbraintech.com/story5813340/a-review-of-blockchain-explorer-usdt-https-squareblogs-net-heartgarlic3-delving-into-blockchain-explorers