Block top - The block quantity and duration on the blockchain (in blocks) on generation of the present block Nonce - The transaction selection with the from address (bear in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://geniusbookmarks.com/story20679940/not-known-factual-statements-about-blockchain-explorer-tool-http-bioimagingcore-be-q2a-user-storegarlic8