Block top - The block range and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction range for that from address (Remember this starts off at 0 so a nonce of a hundred would basically be the one hundred and first transaction submitted https://ezmarkbookmarks.com/story20479693/what-does-blockchain-explorer-usdt-mean-https-www-webwiki-it-cryptoexplorerhub-com