Block top - The block quantity and duration from the blockchain (in blocks) on generation of the current block Nonce - The transaction quantity 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://socials360.com/story11394425/blockchain-explorer-tron-secrets-https-fletcher-odonnell-thoughtlanes-net-exploring-further-the-world-of-blockchain