Block top - The block number and length in 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 a hundred and first transaction submitted https://bookmark-template.com/story25405910/explorer-blockchain-tron-an-overview-https-fletcher-odonnell-thoughtlanes-net-exploring-further-the-world-of-blockchain