Block top - The block quantity and duration of the blockchain (in blocks) on development of the present block Nonce - The transaction quantity 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://socialislife.com/story5803429/what-does-blockchain-explorer-usdt-mean-https-mlx-su-paste-view-d02eef60