Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction number for your from address (Keep in mind this commences at 0 so a nonce of a hundred would basically be the 101st transaction submitted by this https://expressbookmark.com/story20686386/the-2-minute-rule-for-blockchain-explorer-solana-https-numberfields-asu-edu-numberfields-show-user-php-userid-6240092