Block top - The block range and size on the blockchain (in blocks) on development of the current block Nonce - The transaction amount to the from address (Keep in mind this commences at 0 so a nonce of a hundred would really be the a hundred and first transaction https://monobookmarks.com/story20170018/5-simple-statements-about-blockchain-explorer-solana-explained-https-www-lanubedocente-21-edu-ar-profile-fowlerrlwmooney1719-profile