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 off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://push2bookmark.com/story20507682/what-does-blockchain-explorer-usdt-mean-https-www-webwiki-co-uk-cryptoexplorerhub-com