Block top - The block quantity and size on the blockchain (in blocks) on development of the present block Nonce - The transaction selection for 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://onelifesocial.com/story6002679/the-blockchain-explorer-address-diaries-https-atavi-com-share-xftxdaz1pgsb4