Block top - The block range and size in the blockchain (in blocks) on creation of the present block Nonce - The transaction range for your from address (Keep in mind this starts off at 0 so a nonce of 100 would truly be the one hundred and first transaction https://bookmarksystem.com/story20172805/explorer-blockchain-tron-an-overview-https-files-fm-f-e6nkandt95