Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction range with the from address (bear in mind this starts at 0 so a nonce of 100 would really be the a hundred and first transaction submitted https://get-social-now.com/story6133376/5-simple-statements-about-blockchain-explorer-solana-explained-https-setiathome-berkeley-edu-show-user-php-userid-13199150