Block height - The block variety and size with the blockchain (in blocks) on generation of the present block Nonce - The transaction number for your from address (Keep in mind this begins at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) https://bookmarkchamp.com/story20655824/explorer-blockchain-tron-an-overview-https-fletcher-odonnell-thoughtlanes-net-exploring-further-the-world-of-blockchain