Block top - The block number and length of the blockchain (in blocks) on generation of the present block Nonce - The transaction number for the from address (bear in mind this starts at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://bookmarkahref.com/story20345160/explorer-blockchain-tron-an-overview-https-forum-issabel-org-u-optionray7