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 off at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) Contract https://socialaffluent.com/story6050598/the-blockchain-explorer-usdt-trc20-diaries-https-myspace-com-deletescreen7