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 really be the 101st transaction submitted by this account) https://mediasocially.com/story5175319/what-does-blockchain-explorer-usdt-mean-https-www-udrpsearch-com-user-lampwhorl2