Block top - The block selection and duration from the blockchain (in blocks) on generation of the present block Nonce - The transaction number to the from address (Remember this starts off at 0 so a nonce of one hundred would essentially be the 101st transaction submitted by this account) https://kingbookmark.com/story20597339/explorer-blockchain-tron-an-overview-https-kearns-horn-hubstack-net-monitoring-transfers-how-distributed-ledger-analyzers-work