Block top - The block selection and duration of 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://webookmarks.com/story6207513/top-guidelines-of-eth-blockchain-explorer-https-hedgedoc-eclair-ec-lyon-fr-6mkao4fyqry-pm5xpak7hg