Block top - The block number and length on the blockchain (in blocks) on generation of the present block Nonce - The transaction quantity to the from address (Remember this starts off at 0 so a nonce of a hundred would really be the 101st transaction submitted by this account) https://tealbookmarks.com/story20201530/not-known-details-about-explorer-blockchain-ton-https-md-farafin-de-0k9kbddstjwuieqthhbjgg