Block height - The block amount and size on the blockchain (in blocks) on generation of the present block Nonce - The transaction selection for the from address (bear in mind this starts at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) https://bookmarkbirth.com/story20639242/blockchain-explorer-tron-secrets-https-fletcher-odonnell-thoughtlanes-net-exploring-further-the-world-of-blockchain