Block height - The block range and duration of your blockchain (in blocks) on generation of the present block Nonce - The transaction number for your from address (bear in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://push2bookmark.com/story20686659/the-blockchain-explorer-usdt-trc20-diaries-https-hedgedoc-digillab-uni-augsburg-de-mshxmk-praykwj94jou11g