Block top - The block range and duration of your blockchain (in blocks) on creation of the current block Nonce - The transaction number for your from address (bear in mind this begins at 0 so a nonce of 100 would truly be the 101st transaction submitted by this account) https://extrabookmarking.com/story20309713/blockchain-explorer-usdt-trc20-fundamentals-explained-https-lamptie2-bravejournal-net-beyond-these-blocks-discovering-the-realm-of-distributed-ledger-explorers