Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction number for the from address (bear in mind this begins at 0 so a nonce of one hundred would essentially be the one hundred and first transaction https://minibookmarking.com/story20333841/explorer-blockchain-tron-an-overview-https-telegra-ph-blockchain-trackers-the-key-to-grasping-copyright-transactions-09-04