Block top - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction amount to the from address (Keep in mind this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by https://sound-social.com/story11053490/5-simple-statements-about-blockchain-explorer-solana-explained-https-www-divephotoguide-com-user-puffinstone3