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://ez-bookmarking.com/story20670721/not-known-factual-statements-about-blockchain-explorer-tool-https-articlescad-com-the-remarkable-adventurers-in-the-cyber-frontier-grasping-distributed-copyright-instruments-325096-html