Block height - The block number and size on the blockchain (in blocks) on development of the present block Nonce - The transaction selection for the from address (bear in mind this starts at 0 so a nonce of 100 would truly be the 101st transaction submitted by this account) https://mirrorbookmarks.com/story20514158/explorer-blockchain-tron-an-overview-https-blogfreely-net-pathfrog8-blockchain-trackers-a-gateway-to-comprehending-copyright-transactions