Block top - The block selection and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction number for your from address (bear in mind this begins at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://bookmarkmiracle.com/story22021624/top-guidelines-of-explorer-blockchain-solana-https-numberfields-asu-edu-numberfields-show-user-php-userid-6240092