Block top - The block number and length of the blockchain (in blocks) on creation of the current block Nonce - The transaction amount to 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://dftsocial.com/story21732942/not-known-details-about-explorer-blockchain-ton-https-md-farafin-de-0k9kbddstjwuieqthhbjgg