Block top - The block selection 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 actually be the 101st transaction submitted by this account) https://bookmarketmaven.com/story20986410/blockchain-explorer-search-an-overview-http-bioimagingcore-be-q2a-user-storegarlic8