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 at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) Contract creation https://fatallisto.com/story10274550/blockchain-explorer-usdt-trc20-fundamentals-explained-https-atavi-com-share-xftxdaz1pgsb4