Block top - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction variety for that from address (Remember this starts off at 0 so a nonce of a hundred would basically be the 101st transaction submitted by this account) https://keybookmarks.com/story20339076/a-review-of-blockchain-explorer-xrp-https-hedgedoc-eclair-ec-lyon-fr-6mkao4fyqry-pm5xpak7hg