Block top - The block selection and length of the blockchain (in blocks) on creation of the current block Nonce - The transaction amount for that from address (Keep in mind this commences at 0 so a nonce of one hundred would essentially be the one hundred and first transaction https://icelisting.com/story21804272/5-simple-statements-about-blockchain-explorer-solana-explained-https-www-demilked-com-author-brokerwhorl5