Block top - The block selection and duration of the blockchain (in blocks) on creation of the current 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://dirstop.com/story26061523/5-simple-techniques-for-explorer-blockchain-tron-https-writeablog-net-storeformat0-blockchain-in-the-microscope-exploring-the-unsung-resources