Block height - The block amount and size on the blockchain (in blocks) on development of the present block Nonce - The transaction selection with the from address (Remember this starts at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) Contract https://funbookmarking.com/story20583434/a-review-of-blockchain-explorer-usdt-https-rentry-co-4vomqtzo