Block top - The block number and length from the blockchain (in blocks) on development of the present block Nonce - The transaction selection with the from address (bear in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://social-medialink.com/story5699099/explorer-blockchain-tron-an-overview-https-forum-repetier-com-profile-coverjaguar3