Block top - The block number and length from the blockchain (in blocks) on development 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://artybookmarks.com/story20532489/explorer-blockchain-tron-an-overview-https-hedgedoc-eclair-ec-lyon-fr-6mkao4fyqry-pm5xpak7hg