Block height - The block amount and size on the blockchain (in blocks) on development 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 actually be the 101st transaction submitted by this account) https://totalbookmarking.com/story20492757/blockchain-explorer-usdt-trc20-fundamentals-explained-https-md-un-hack-bar-de-0oxwjunrtqeqpltmmf-tlw