Block top - The block number and length in the blockchain (in blocks) on development 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 truly be the a hundred and first transaction submitted https://7prbookmarks.com/story20710812/blockchain-explorer-usdt-trc20-fundamentals-explained-https-kearns-horn-hubstack-net-monitoring-transfers-how-distributed-ledger-analyzers-work