Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction number for your from address (Keep in mind this commences at 0 so a nonce of one hundred would basically be the one hundred and first transaction https://socialwoot.com/story22367095/explorer-blockchain-tron-an-overview-https-www-multichain-com-qa-user-knotdrop3