Block top - The block range and size with the blockchain (in blocks) on generation of the current block Nonce - The transaction range for that from address (Keep in mind this starts at 0 so a nonce of one hundred would really be the 101st transaction submitted by this https://bookmarkmargin.com/story20258302/the-2-minute-rule-for-blockchain-explorer-solana-https-hedgedoc-eclair-ec-lyon-fr-6mkao4fyqry-pm5xpak7hg