Block top - The block number and length in the blockchain (in blocks) on development of the current block Nonce - The transaction range 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://cruxbookmarks.com/story20587169/5-tips-about-blockchain-explorer-you-can-use-today-https-hedgedoc-eclair-ec-lyon-fr-6mkao4fyqry-pm5xpak7hg