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 (bear in mind this starts at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) https://bookmarkuse.com/story20085923/the-blockchain-explorer-usdt-trc20-diaries-https-diigo-com-010nvri