Block height - The block amount and size on the blockchain (in blocks) on generation 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://reallivesocial.com/story6085131/not-known-facts-about-blockchain-explorer-usdt-https-forum-issabel-org-u-optionray7