Block peak - The block variety and duration with the blockchain (in blocks) on generation of the present block Nonce - The transaction number for the from address (bear in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://travialist.com/story10504923/blockchain-explorer-usdt-trc20-fundamentals-explained-https-writeablog-net-storeformat0-blockchain-in-the-microscope-exploring-the-unsung-resources