Block top - The block quantity and size on the blockchain (in blocks) on generation of the current block Nonce - The transaction amount to the from address (Remember this starts off at 0 so a nonce of a hundred would really be the 101st transaction submitted by this account) https://guidemysocial.com/story5663905/top-guidelines-of-explorer-blockchain-solana-https-numberfields-asu-edu-numberfields-show-user-php-userid-6240092