Block top - The block quantity and length in the blockchain (in blocks) on development of the present block Nonce - The transaction range with the from address (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://growthbookmarks.com/story20453330/what-does-blockchain-explorer-usdt-mean-https-kearns-horn-hubstack-net-monitoring-transfers-how-distributed-ledger-analyzers-work