Block height - The block variety and size on the blockchain (in blocks) on generation of the present block Nonce - The transaction number for the from address (bear in mind this begins at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://letsbookmarkit.com/story20374454/blockchain-explorer-usdt-trc20-fundamentals-explained-https-500px-com-p-barrkijrooney