Block top - The block quantity and size with the blockchain (in blocks) on creation of the present block Nonce - The transaction number to the from address (Remember this starts at 0 so a nonce of one hundred would basically be the 101st transaction submitted by this account) Not https://greatbookmarking.com/story20727816/blockchain-explorer-usdt-trc20-fundamentals-explained-https-notes-io-ww2s8