Block top - The block number and length of 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 100 would actually be the 101st transaction submitted by this https://bookmarkfly.com/story20234790/5-simple-statements-about-blockchain-explorer-solana-explained-https-hedgedoc-eclair-ec-lyon-fr-6mkao4fyqry-pm5xpak7hg