Block height - The block quantity and size in the blockchain (in blocks) on creation 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 really be the 101st transaction submitted by this account) https://travialist.com/story10602429/blockchain-explorer-usdt-trc20-fundamentals-explained-https-zenwriting-net-lampwhorl7-from-information-into-insights-leveraging-distributed-ledger-analyzers-in