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 commences at 0 so a nonce of one hundred would essentially be the one hundred and first transaction https://webcastlist.com/story21859351/5-simple-statements-about-blockchain-explorer-solana-explained-https-diigo-com-010nvri