Block top - The block number and length from the blockchain (in blocks) on development of the current block Nonce - The transaction range with the from address (Remember this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) Agreement development https://ticketsbookmarks.com/story20323056/the-blockchain-explorer-usdt-trc20-diaries-https-fletcher-odonnell-thoughtlanes-net-exploring-further-the-world-of-blockchain