Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction selection with the from address (Remember this commences at 0 so a nonce of a hundred would really be the 101st transaction submitted by this account) Contract https://agency-social.com/story5421443/explorer-blockchain-tron-an-overview-https-forum-repetier-com-profile-coverjaguar3