Block top - The block number and length on the blockchain (in blocks) on generation of the present block Nonce - The transaction quantity to the from address (Remember this starts at 0 so a nonce of one hundred would in fact be the 101st transaction submitted by this account) https://thebookpage.com/story6137143/what-does-blockchain-explorer-usdt-mean-https-www-starsandstripesfc-com-users-churchkjeldse