Block height - The block quantity and size in the blockchain (in blocks) on generation of the current block Nonce - The transaction variety with the from address (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://bookmarkingalpha.com/story20222841/the-blockchain-explorer-usdt-trc20-diaries-https-cuwip-ucsd-edu-members-georgeuncle0-activity-1839979