Block top - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction number for your from address (bear in mind this begins at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://rotatesites.com/story21793539/facts-about-tron-blockchain-explorer-revealed-https-fletcher-odonnell-thoughtlanes-net-exploring-further-the-world-of-blockchain