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 basically be the 101st transaction submitted by this account) https://allkindsofsocial.com/story5555668/blockchain-explorer-usdt-trc20-fundamentals-explained-https-squareblogs-net-heartgarlic3-delving-into-blockchain-explorers