Block height - The block amount and size on the blockchain (in blocks) on generation of the present block Nonce - The transaction selection for the from address (bear in mind this starts at 0 so a nonce of 100 would really be the a hundred and first transaction submitted https://dmozbookmark.com/story20841297/explorer-blockchain-tron-an-overview-https-squareblogs-net-heartgarlic3-delving-into-blockchain-explorers