Block height - The block quantity and length in the blockchain (in blocks) on development 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://bookmarkunit.com/story20083869/the-blockchain-explorer-usdt-trc20-diaries-https-heavenarticle-com-author-pathpastor4-452336