Block top - The block variety and size on the blockchain (in blocks) on generation of the present block Nonce - The transaction amount with the from address (Keep in mind this starts at 0 so a nonce of 100 would essentially be the 101st transaction submitted by this account) https://networkbookmarks.com/story20696828/not-known-details-about-explorer-blockchain-ton-https-pad-fs-lmu-de-h2fzbno0rjqfpyic-69lxg