Block top - The block quantity and length with the blockchain (in blocks) on generation of the current block Nonce - The transaction range with the 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://thejillist.com/story10537115/indicators-on-blockchain-explorer-search-you-should-know-https-md-darmstadt-ccc-de-znwtrv3frkwon6rj4y8pua