Block top - The block number and size with the blockchain (in blocks) on creation of the current block Nonce - The transaction selection for the from address (Keep in mind this commences at 0 so a nonce of a hundred would really be the a hundred and first transaction https://socialbraintech.com/story5569379/explorer-blockchain-tron-an-overview-https-md-kif-rocks-qxb6ylbntwcjnvrpqnzeqw